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1: Tube DIY Asylum, Thank you for all your helps... it is frustrating... (0.00)
Posted by cktc on 2023-09-26, 12:12:16 (97.90.148.173)
I checked everything many times, and even resoldered all the joints. I still don't know what happens. Then I realized that there are hums also in my other tube amps. I didn't have that before. I still .......
2: Tube DIY Asylum, RE: Help!! Hum on restored vintage tube amp (0.00)
Posted by cktc on 2023-09-13, 15:54:58 (172.116.229.117)
My speakers are 96db, but my other restored MC30 is dead silent using with the same speaker. I didn't change the polarity of AC plug, because I replaced the old wire with a new 3 wires power cord, (I .......
3: Tube DIY Asylum, Help!! Hum on restored vintage tube amp (0.00)
Posted by cktc on 2023-09-13, 12:35:07 (172.116.229.117)
Hi, I have an old Mcintosh MC30 restored. It works fine, except there is hum sound. To isolate the problem, I disconnected everything except the speaker. The hum is still there when I power it on. I f .......
4: Tube DIY Asylum, RE: Putting diodes between the rectifier tube for protection?? (0.00)
Posted by cktc on 2022-02-10, 12:16:22 (172.248.100.146)
That makes senses. No wonder I saw many installed the diodes in 5AR4 amps, especially more in Dynaco amps. It seems 'less relevant' to my 5u4 amps. I will skip this installations. Thanks. .......
5: Tube DIY Asylum, RE: Putting diodes between the rectifier tube for protection?? (0.00)
Posted by cktc on 2022-02-09, 14:42:17 (172.248.100.146)
I read some posts saying that some new production rectifier tubes are not reliable, hence people install this protection. But that discussion is about production 10+ years ago. Do recent production be .......
6: Tube DIY Asylum, Putting diodes between the rectifier tube for protection?? (0.00)
Posted by cktc on 2022-02-09, 11:07:31 (172.248.100.146)
I saw a popular mod in the internet for putting diodes between rectifier tube. I have two questions? 1. Is that protection really necessary? Do rectifier tubes really that unreliable? 2. Will it do .......
7: Tube DIY Asylum, Thank you all for all the excellent inputs. (Nt) (0.00)
Posted by cktc on 2022-02-02, 22:43:52 (172.248.100.146)
. .......
8: Tube DIY Asylum, more specific question (0.00)
Posted by cktc on 2022-02-02, 10:31:38 (172.248.100.146)
More specific of my previous question: with my limited knowledge, the high value electrolytic cathode bypass capacitor allows only bass frequency to passthrough. If I add a small value film cap to tha .......
9: Tube DIY Asylum, Bypass a cathode bypass capacitor, is it a good idea? (0.00)
Posted by cktc on 2022-02-02, 01:02:15 (172.248.100.146)
There is a 100uf electrolyte cathode bypass capacitor in the input section of my amp. I am thinking to add a small film capacitor to bypass it. Is it a good idea? .......
10: High Efficiency Speaker Asylum, RE: SAP Quartette impedence? (0.00)
Posted by cktc on 2021-10-31, 19:02:24 (172.248.100.146)
Just the upper part is 6.8ohm, with the lower part together is 3.6 ohm. .......
11: Amp/Preamp Asylum, Anyone try BAT preamp to single-end tube power amp? (0.00)
Posted by cktc on 2021-10-31, 14:30:28 (172.248.100.146)
I know that BAT is good for Balanced output, but I wonder whether they can match for low power single-end tube amp? If you did hear or try that combination, please share your experience. .......
12: High Efficiency Speaker Asylum, RE: SAP Quartette impedence? (0.00)
Posted by cktc on 2021-10-30, 15:23:21 (172.248.100.146)
It measured 3.7 ohm, but it doesn't sound right. .......
13: High Efficiency Speaker Asylum, SAP Quartette impedence? (0.00)
Posted by cktc on 2021-10-29, 23:57:26 (172.248.100.146)
Hi, I just acquired a pair of SAP Quartette, does anybody know what are their impedance? 8 ohm or 16 ohm? Thanks. .......
14: Amp/Preamp Asylum, Looking for preamp which is good at BOTH single-ended AND balanced output (0.00)
Posted by cktc on 2021-06-12, 16:22:04 (172.248.100.146)
Hi, I am looking for a preamp which sounds good at BOTH single-ended or Balanced output. My DAC has both single-ended and Balanced output. I have vintage tube amps which only allow single-ended input. .......
15: Tube DIY Asylum, RE: Add XLR output in tube preamp (0.00)
Posted by cktc on 2021-04-05, 11:54:42 (172.248.100.146)
They are mounted on the top of a metal case, where Toroidal transformer is inside. .......
16: Tweakers' Asylum, RE: DIO Audio transformer mods info need (0.00)
Posted by cktc on 2021-04-03, 21:23:27 (172.248.100.146)
Can you find out those related to transformer mod? If yes, can you send it to me. Thanks in advance. .......
17: Tube DIY Asylum, Add XLR output in tube preamp (0.00)
Posted by cktc on 2021-04-03, 16:48:34 (172.248.100.146)
I made a 3X12AU7 Grounded Grid preamp. It happens that I also have spare Jensen JE123-S 1:1 600:600ohm transformer. It is the right one to use that to make a balanced XLR output? I tried to connect th .......
18: Tweakers' Asylum, Add XLR output using Jensen JE-123-S Transformer (0.00)
Posted by cktc on 2021-04-03, 16:46:05 (172.248.100.146)
I made a 3X12AU7 Grounded Grid preamp. It happens that I also have spare Jensen JE123-S 1:1 600:600ohm transformer. It is the right one to use that to make a balanced XLR output? I tried to connect th .......
19: Digital Drive, RE: MHDT Istanbul vs Orchid (0.00)
Posted by cktc on 2021-03-24, 12:25:32 (172.248.100.146)
No doubt about it. I found that the special of MHDT DACs is not about the limit on a particular chip, but the way it implements to produce the elegant rich MHDT sound signature. .......
20: Digital Drive, MHDT Istanbul vs Orchid (0.00)
Posted by cktc on 2021-03-22, 14:36:44 (172.248.100.146)
There are many discussions on Orchid, but there are only a few on Istanbul. Therefore I want to post my experience when comparing them. First and foremost, they are more alike than different. They are .......
21: Cable Asylum, Thank (nt) (0.00)
Posted by cktc on 2021-03-12, 23:46:12 (172.248.100.146)
. .......
22: Cable Asylum, DIY 75 Ohm digital cable question (0.00)
Posted by cktc on 2021-03-12, 10:18:21 (172.248.100.146)
I have a 75 Ohm double shields digital cable, similar to Belden 1859a. How do I connect the outer shield? Connect to both ends, or just to the source end? Thanks in advance. .......
23: Tweakers' Asylum, RE: missing the Yahoo group info (0.00)
Posted by cktc on 2021-02-09, 20:45:11 (172.248.100.146)
Hp the page refer to the old Yahoo group which contains the schematics and details of transformer mods, but the group no longer exists. Do anyone have the copy of pdf file the page refer to? ::: TOPIC .......
24: Tweakers' Asylum, DIO Audio transformer mods info need (0.00)
Posted by cktc on 2021-02-09, 17:31:46 (172.248.100.146)
Hi, Many people here had DIO 10 years ago, and there were many mods info. I still have one which was audio transformer mods, but its hard to find any info on it now. I lost all its info. If anyone hav .......
25: Computer Audio Asylum, Thanks Dynobots, that's exactly I want to ask (nt) (0.00)
Posted by cktc on 2018-04-26, 11:38:17 (97.90.149.141)
. .......
26: Computer Audio Asylum, Teac DAC: DigiONE coxial vs USB?? which one is better for WAV file? (0.00)
Posted by cktc on 2018-04-25, 11:22:53 (97.90.149.141)
Does anyone compare DigiONE coxial vs USB into Teac DAC? Which one is better, I only play CD ripped WAV files. .......
27: Amp/Preamp Asylum, Faux balance preamp to true balance amp (0.00)
Posted by cktc on 2018-01-31, 17:33:12 (104.175.84.19)
My tube preamp has only RCA output, I used adapter to connect to my power amp. The adapter is something to bridge the signal ground to XLR -ve. My power amp has true balanced circuit. When I connect R .......
28: Tube DIY Asylum, RE: Not that part. (0.00)
Posted by cktc on 2017-11-02, 19:39:52 (104.175.84.19)
Is there any reason why I still need the output capacitor when I installed the output trans? .......
29: Tube DIY Asylum, Do I remove the output capacitor to replace it with the transformer? (0.00)
Posted by cktc on 2017-11-02, 11:26:36 (97.90.149.141)
or I put the transformer after the output capacitor? .......
30: Tube DIY Asylum, Thanks. nt (0.00)
Posted by cktc on 2017-11-02, 10:12:21 (97.90.149.141)
. .......
31: Tube DIY Asylum, RE: Add balanced output to Transcendent GG preamp? (0.00)
Posted by cktc on 2017-11-01, 23:45:26 (104.175.84.19)
Where can I buy that? .......
32: Tube DIY Asylum, Add balanced output to Transcendent GG preamp? (0.00)
Posted by cktc on 2017-11-01, 17:12:05 (104.175.84.19)
I have Transcendent GG preamp. It there any way to add balanced output? .......
33: Speaker Asylum, Polk Audio LSIM707 or LSIM705 (0.00)
Posted by cktc on 2017-08-21, 22:16:56 (104.175.84.19)
I know that many audiophile will not consider Polk Audio an audiophile brand, but the LSIM series is a serious audiophile made, from build to sound. They can compete with audiophile brand speakers 3 t .......
34: Speaker Asylum, correction: all hard to beat (nt) (0.00)
Posted by cktc on 2017-04-13, 12:35:56 (104.175.84.19)
. .......
35: Speaker Asylum, KEF 107, Acoustat spectra 22, Infinity Kappa 9, all hard to good... (0.00)
Posted by cktc on 2017-04-10, 21:33:59 (104.175.84.19)
as long as you have matching amp. .......
36: Tube DIY Asylum, Do I use 50K or 100K Ohm? (nt) (0.00)
Posted by cktc on 2016-09-24, 08:20:16 (104.175.84.19)
THanks. .......
37: Tube DIY Asylum, Remove balance circuit (0.00)
Posted by cktc on 2016-09-23, 10:38:05 (97.90.149.141)
I have BT Beepree preamp which used 100k log volume pot in conjunction with 100k linear pot for balance. I want to take away the balance circuit. I have two step potentiometers on hand 100k log and 50 .......
38: Tube DIY Asylum, RE: Insulated standoffs (0.00)
Posted by cktc on 2016-09-09, 13:49:47 (97.90.149.141)
The preamp connected ground wires to the middle terminal of terminal strip, and the middle terminal also used to screwed into the chassis. Of course I can cut every ground wires and reconnect. But if .......
39: Tube DIY Asylum, RE: Want to isolate signal ground from case ground, need suggestions (0.00)
Posted by cktc on 2016-09-09, 13:40:13 (97.90.149.141)
"Essentially, I like to group power supply grounds e.g., the filter capacitors and signal grounds separately." Do you mean to have power supply ground wired to chassis ground, and a separate wire to c .......
40: Tube DIY Asylum, Want to isolate signal ground from case ground, need suggestions (0.00)
Posted by cktc on 2016-09-09, 10:35:02 (97.90.149.141)
I got an old preamp, which has all grounds connected to the case. The preamp is having ground noise problem. I want to separate the signal ground to case ground. I don't think I have problem to rewire .......
41: Tube DIY Asylum, More information (0.00)
Posted by cktc on 2016-09-01, 17:25:40 (104.175.84.19)
I found out that the preamp actually has constant hum like ground loop if I just directly plug in the wall outlet. That ground loop like hum disappear when I pluged it in Furman power conditioning. Bu .......
42: Tube DIY Asylum, No... will the IEC filter help? (nt) (0.00)
Posted by cktc on 2016-09-01, 13:36:07 (97.90.149.141)
. .......
43: Tube DIY Asylum, RE: HELP! Buzz sounds out of preamp whenever air condition switched on (0.00)
Posted by cktc on 2016-09-01, 11:38:04 (97.90.149.141)
Yes, loud like ground loop. .......
44: Tube DIY Asylum, HELP! Buzz sounds out of preamp whenever air condition switched on (0.00)
Posted by cktc on 2016-09-01, 11:31:28 (97.90.149.141)
I build a 300b preamp. It normally is quiet and working. But when the air condition switched on, it will trigger a shoot of buzz sounds. The buzz sound last less than a second and then it was gone. I .......
45: Amp/Preamp Asylum, RE: I think they have a policy about.... (0.00)
Posted by cktc on 2016-08-18, 23:13:45 (104.175.84.19)
I didn't change anything except those 6pac caps. 3 years ago, it had pop sound when I switched the mute switch. I emailed Victor and he told me its caused by the leaking 6pac. That's the only thing I .......
46: Amp/Preamp Asylum, I shipped it to Victor for repair... (0.00)
Posted by cktc on 2016-08-17, 11:07:19 (97.90.149.141)
But unfortunately the preamp didn't arrive intact after shipping. Many years ago, the original two 6-pak oil output capacitors were leaked. I took out the pack and replaced them with 6 X Russian oil c .......
47: Speaker Asylum, Agree. KEF old Reference series (0.00)
Posted by cktc on 2016-08-16, 22:11:10 (104.175.84.19)
especially KEF Reference 107, it is still top contender even in today's standard. .......
48: Amp/Preamp Asylum, RE: He didn't seem to react to that advice when I presented it.. (0.00)
Posted by cktc on 2016-07-15, 09:49:25 (97.90.149.141)
I contacted Victor, and he suggested to ship it for service. I hesitate to ship it back and fro. I see that is the last resort. Therefore I ask advice here first to see whether I can fix it myself. :: .......
49: Amp/Preamp Asylum, It probably is not tubes related... (0.00)
Posted by cktc on 2016-07-15, 09:46:02 (97.90.149.141)
I switched out all tubes, but problem still exists. If it is leaky capacitors, will I smell anything or see deformed? I see none of that, it is better to start on checking those transistor regulators? .......
50: Amp/Preamp Asylum, I switched out all tubes... (0.00)
Posted by cktc on 2016-07-15, 09:43:34 (97.90.149.141)
It is not the causes. It don't see capacitors' deform or smell anything. It is better to start at checking those transistor regulators? .......
51: Amp/Preamp Asylum, I switched rectifier tubes... (0.00)
Posted by cktc on 2016-07-13, 10:00:07 (97.90.149.141)
but still the same. There is not obvious burn on anything I can see. Yes, I do smell a little bit something, but not strong, and don't know where it came from. I only switched rectifier tubes, do I ne .......
52: Amp/Preamp Asylum, RE: Help! BAT VK-5SE one transfromer is much hotter than the other (0.00)
Posted by cktc on 2016-07-12, 09:52:15 (97.90.149.141)
Is it possible that one or more capacitors shorted that causes the problem. Actually the transformer was very hot, even after a couple seconds of ON. .......
53: Amp/Preamp Asylum, Help! BAT VK-5SE one transfromer is much hotter than the other (0.00)
Posted by cktc on 2016-07-11, 12:40:49 (104.175.84.19)
Hi, I pulled out my old BAT VK-5SE preamp and set it up recently. It is dual mono design. It sounds fine. But I noticed that one side of the transformer is much much hotter than the other. Any clue fo .......
54: Planar Speaker Asylum, Does Acoustat SPW-1 sub any good? (0.00)
Posted by cktc on 2015-03-16, 20:50:58 (108.13.213.120)
I have Acoustat Spectra 22. I got a chance to get a SPW-1 sub. I don't really feel in lack of bass in normal listening. Should I get SPW-1 SUB? My concern is will a Sub integrate well with the panel? .......
55: Speaker Asylum, Snell c-v placement left/right (0.00)
Posted by cktc on 2014-04-28, 08:52:17 (173.60.84.249)
I got a pair of Snell Cv. They are asymmetric. Anyone know which Oneida left and which one is right? .......
56: Tube DIY Asylum, connect 4ohm speakers in 8 ohm tap (0.00)
Posted by cktc on 2014-01-17, 17:17:46 (173.60.84.249)
i have a 4 ohm load kef 107. it seems to me sound more lively when i connected to the 8 ohm tap in the humble eico hf22. do anyone know the reason or it is just a pecebo effect of change? .......
57: Vintage Asylum, Heathkit W5M peerless power transformer?? (0.00)
Posted by cktc on 2013-12-11, 10:17:50 (173.60.84.249)
I came across a someone selling a Heathkit W5M. One thing that caught my eyes is it is with peerless power transformer. Yes, Peerless power transformer as well as output transformer. I saw many Heathk .......
58: Tube DIY Asylum, the choke is Triad c-17x 300ma 1.5h 40ohm (0.00)
Posted by cktc on 2013-11-23, 12:00:34 (173.60.84.249)
Is it a wrong one? .......
59: Tube DIY Asylum, RE: I put a choke in my Eico HF22, then loud hum coming from the speaker (0.00)
Posted by cktc on 2013-11-23, 10:13:55 (173.60.84.249)
I used a 40uf motor run to replace the Electrolyte after the rectifier. After I got the choke I place the choke in between rectifier and the motor run cap. I just tried to took place the choke outside .......
60: Tube DIY Asylum, I put a choke in my Eico HF22, then loud hum coming from the speaker (0.00)
Posted by cktc on 2013-11-22, 21:51:30 (173.60.84.249)
I put a 40ohm 1.5H choke between the tube rectifier leg 8 and first filter capacitor 40uf. There is a loud hum from the speaker. When I remove the choke. The amp is as normal. What is the problem? Wha .......
61: Tubes Asylum, How can I distinguish 12AX7 from 12AU7? (0.00)
Posted by cktc on 2013-11-20, 16:09:33 (173.60.84.249)
They look exactly to me. I have a bunch of 12AU7, can I use it in 12AX7 position? .......
62: Computer Audio Asylum, Thanks for all the insightful inputs (0.00)
Posted by cktc on 2013-11-15, 11:16:42 (172.6.132.114)
it seems that a mature design of USB interface is the answer for simple implementation. But it still has a long way to go IMHO. .......
63: Computer Audio Asylum, If it is not the clock but spdiff signal... (0.00)
Posted by cktc on 2013-11-14, 18:21:26 (173.60.84.249)
will optical spdiff reclock and have coaxial spdiff output, better or at least on par with top-notch USB-Spdiff interface?? If it can, it is worth to try because it could eliminate many variables in c .......
64: Computer Audio Asylum, In the pursuit of a better clock... (0.00)
Posted by cktc on 2013-11-14, 12:20:20 (172.6.132.114)
many people tried to find better usb interface. Many people tried to optimize the computer software and os and drivers. Why don't we just use optical output to an external clock, say apogee big ben, a .......
65: Tube DIY Asylum, i do. i dont even have cd player in my majn system (0.00)
Posted by cktc on 2013-11-13, 23:47:11 (66.249.84.80)
I used tc-electronic konnekt 8 having spdiff coaxial output to audio logic 24mxl dac. Dac connected to my home made gg preamp and eico hf22 mono blocks. It is my day to day system. It doesn't sound in .......
66: Tube DIY Asylum, Add Choke on Eico HF-22 (0.00)
Posted by cktc on 2013-11-08, 09:16:57 (173.60.84.249)
I'm thinking to add a choke in my Eico HF-22 in order to install bigger values capacitors inside. I'm find a pair of 400VDC, 15H, 75ma, 440ohm small choke. Are they suitable to the task? I am kind of .......
67: Speaker Asylum, Thank you for all the suggestions. (0.00)
Posted by cktc on 2013-10-31, 09:33:55 (173.60.84.249)
The suggestions are useful. But still, it is harder to do than it seems. I try harder. .......
68: Speaker Asylum, Yes. they are sealed box bookself speakers. (nt) (0.00)
Posted by cktc on 2013-10-31, 09:32:08 (173.60.84.249)
. .......
69: Speaker Asylum, How you take woofer or tweeter out of speaker box (0.00)
Posted by cktc on 2013-10-29, 21:55:16 (173.60.84.249)
I try to take the tweeter and woofer of my 15 years old speaker to repair. I unscrew all the screws, but the tweeter and woofer still "stick" to the speaker box even I shake the box upside down violen .......
70: Tube DIY Asylum, 6j23p (0.00)
Posted by cktc on 2013-10-29, 18:07:21 (173.60.84.249)
I was buying ef86 tubes for my eico hf22 amps. I should buy 6j32p tubes but mistakenly bought a bunch of 6j23p. Can 6j23 substitute ef86? If no are they good sound tubes and worthy to convert the amp? .......
71: Computer Audio Asylum, I tried many new megabuck dacs... (0.00)
Posted by cktc on 2013-09-24, 09:36:58 (173.60.84.249)
... but I still go back to my old Audiologic 24 MXL. Smoothness, sure, but more than that, pacing and timing, sure, but more than that. Musicality, sure, but what is that? I'm not good at words to des .......
72: Tube DIY Asylum, what makes this one difference from other cheap chinese kit? (0.00)
Posted by cktc on 2013-06-17, 09:38:43 (173.51.162.239)
Could it be better than a solid design kit like transcendent gg? .......
73: Tube DIY Asylum, Problem solved .... but it is still a mystery (0.00)
Posted by cktc on 2013-06-16, 19:13:42 (173.51.162.239)
After a lot of measurements and comparisons, desolder and resolder, I still cannot find out the problem. To the point of desperation, I exchanged the 0.22uf input stage coupling capacitors to 0.12uf. .......
74: Tube DIY Asylum, All capacitors seems ok... (0.00)
Posted by cktc on 2013-06-10, 21:51:09 (173.51.162.239)
Actually I don't know what exactly happened. I guess resoldered the capacitors or cleaned the tube socket help. But still when both the input tubes and the power tubes are in place together, the recti .......
75: Tube DIY Asylum, All capacitors seems ok... (0.00)
Posted by cktc on 2013-06-10, 11:43:10 (173.51.162.239)
I disconnected the capacitors one by one, they all seem working ok. I find out that the high pitch come out when the input stage 6SN7 tube was in place. When I pull it out but all other tubes in place .......
76: Tube DIY Asylum, Help!! rectify tube make high pitch sound when power up (0.00)
Posted by cktc on 2013-06-07, 12:41:35 (173.51.162.239)
I have two mono block amps. One of them makes high pitch noise when the amp is power up. The sound is coming out from the 5V4G rectify tube. I swapped the tubes with another amp, and the other amp mak .......
77: Vintage Asylum, Acrosound Stereo 120 with 6L6?? (0.00)
Posted by cktc on 2013-06-06, 12:41:44 (69.235.93.218)
I'm thinking to buy some cheap Russian 6L6 tubes for testing. Can I directly put them in Acrosound Stereo 120 amp? Provided the power is enough for my speakers, do you think the amp still can produce .......
78: Speaker Asylum, Sure (0.00)
Posted by cktc on 2013-05-24, 09:25:38 (173.51.162.239)
I got the ferrofluid from parts express, I bought one set for refilling 2" tweeter, that is enough for both tweeters. Take the tweeters out, and then use a small flat head screw driver to pop up the m .......
79: Tube DIY Asylum, Agree... (0.00)
Posted by cktc on 2013-05-23, 13:41:05 (69.235.95.53)
I think the value of the cap changes the sound more than the quality of the caps in my case. But I don't have any quality 0.22 cap on hand. If I have, I probably would put them in. (Actually I have 0. .......
80: Speaker Asylum, My journey with KEF Reference 107 (0.00)
Posted by cktc on 2013-05-22, 22:21:23 (173.51.162.239)
I has been a while I got KEF 107. Indeed they are among the best speakers money can buy. I would like to share my journey. When I first got them, they didn't come with Kube, and the woofer surrounding .......
81: Tube DIY Asylum, thanks for all the inputs (0.00)
Posted by cktc on 2013-05-22, 18:12:06 (173.51.162.239)
Here is what I tried. I put in the 0.02uf Russian ssg-3 silver mica. They sounds indeed good, very detail and natural without harsh or bright. Actually, the bass is OK, not too shabby. If my speakers .......
82: Tube DIY Asylum, replacing 0.22uf coupling caps to 0.02uf... (0.00)
Posted by cktc on 2013-05-20, 23:36:05 (173.51.162.239)
I am thinking to replace the 0.22uf power tube coupling caps to 0.02uf in dynaco st35 circuit. What will you guess to change in sound if I am using the same cap but just smaller value? In fact, the 0. .......
83: Speaker Asylum, RE: Look at the data - the 107/2 looks different (0.00)
Posted by cktc on 2013-05-02, 21:31:51 (173.51.162.239)
Doe kube only smooth/flat the bass response or its boosts the extension. If it is the first case, I think my krk also measure the rooms and does it. But if r107 needs bass booster to sound right, no w .......
84: Speaker Asylum, I use KRK room correction DAC (0.00)
Posted by cktc on 2013-05-02, 12:58:13 (69.235.88.115)
... It doesn't help. Yes, it does sound forward and bright. .......
85: Speaker Asylum, Help! New acquired Kef 107 lacks of bass (0.00)
Posted by cktc on 2013-05-02, 09:43:26 (173.51.162.239)
I newly acquired a pair of KEF 107. I am very disappointed. The bass is lack, and the sound is seriously imbalanced. I can hear bass came out from the cabinet, but they obviously lower volume than the .......
86: Tubes Asylum, RE: The mark II had larger output transformers. . . (0.00)
Posted by cktc on 2012-06-03, 18:22:30 (24.205.177.55)
thank you. that's useful information. I am interest to know more about the cl90 installation. is it connection in between the big caps +ve and the pin connected to the rectify tube? where can you get .......
87: Tubes Asylum, Cary SLA-70 vs SLA-70 MKII (0.00)
Posted by cktc on 2012-06-01, 16:14:57 (24.205.177.55)
Anybody know what is the different between original SLA-70 and later MKII. What is the changes and which one is better? Can the original one converse to MKII? Thanks. .......
88: Speaker Asylum, Mission 767 speakers mini review (0.00)
Posted by cktc on 2012-05-30, 12:12:57 (69.235.80.232)
Hi, I just got a pair of Mission 767 speakers. They are among the most underrate world class speakers. Before I comment on Mission 767. I want say a few words about my existing systems. I am having in .......
89: General Asylum, Power amp needs repair in Los Angeles (0.00)
Posted by cktc on 2012-05-04, 21:50:05 (24.205.177.55)
I have an old quested amp, which needs repair. It is heavy. I hesitate to ship it back and fro. I'm looking for someone or somewhere I can repair it locally. You can also contact me through email. Tha .......
90: Tweakers' Asylum, Ask about power amp repair in Los Angeles (0.00)
Posted by cktc on 2012-05-04, 16:28:30 (24.205.177.55)
I have an old quested amp, which need repair. It is heavy, and I hesitate to ship it back and fro. I'm looking for someone or somewhere I can repair it locally. You can also contact me through email. .......
91: Tweakers' Asylum, Any good replacement for 2uf bi-polar electrolytic capacitors (0.00)
Posted by cktc on 2012-04-03, 01:20:33 (24.205.177.55)
My old cyrus II amp used 2uf cheap bi-polar electrolytic capacitors in input and output caps. Is there any replacement caps which is small and good? Small in important. The original caps are so small, .......
92: Tweakers' Asylum, RE: anything I need to check? (0.00)
Posted by cktc on 2012-04-01, 16:26:11 (24.205.177.55)
if I checked that the voltages between the output transistor legs are ok, does it mean the output transistors are fired? is it as simply as ordering the same transistor and replacing them? ::: TOPIC:: .......
93: Tweakers' Asylum, Help, need cyrus audio amp repair advice (0.00)
Posted by cktc on 2012-03-31, 22:22:19 (24.205.177.55)
I just acquired a pair of mission 767 with lfau. When I connected the lfau, I accidently shorted one channel. When the system power up, noisy hum sound came from the woofers. I checked the fuses insid .......
94: Tweakers' Asylum, What is cause DC in my AC outlet? (0.00)
Posted by cktc on 2012-02-25, 12:10:01 (24.205.177.55)
... and do you have any specific product suggest for reduce the problem? Thanks. .......
95: Tweakers' Asylum, RE: Transformer hum, why is that? (0.00)
Posted by cktc on 2012-02-25, 12:05:54 (24.205.177.55)
I have my system connected to computer. Is that matter? But the hum is machanical hum from the transoformation. .......
96: Tweakers' Asylum, Transformer hum, why is that? (0.00)
Posted by cktc on 2012-02-23, 01:07:27 (24.205.177.55)
I moved to a new house. All my power amps have a low level hum coming from the transformers. They sound fine, but the hum is noticible when the music is off. What causes the hum? and any suggestion to .......
97: Amp/Preamp Asylum, RE: anyone know how to change the noisy fans in mc2 mc650 amp? (0.00)
Posted by cktc on 2012-02-21, 15:26:58 (24.205.177.55)
Yes, they are very helpful. They replied my email and pointed me out which modules I have to remove for replacing the fans. By the way, which model do you have? I have MC650 now, I'm wondering whether .......
98: Amp/Preamp Asylum, anyone know how to change the noisy fans in mc2 mc650 amp? (0.00)
Posted by cktc on 2012-02-18, 11:36:09 (24.205.177.55)
I can unscrew the two fan screws on top, but the two screws at the bottom are completely blocked. do I need special tool or do I really need to disassemble the whole amp to do that? anybody has hints, .......
99: Computer Audio Asylum, Try TC Electronics Konnekt 8 or its sucessors (0.00)
Posted by cktc on 2012-02-15, 23:46:41 (24.205.177.55)
On the paper, the firewire interface and PLL jitter reduction interface on TC Electronic Konnekt is the same as Weiss. I cannot tell what are their implementation different. And I haven't directly com .......
100: Computer Audio Asylum, Try Stealth Audio Player (SAP) and uLilith... (0.00)
Posted by cktc on 2012-02-09, 22:16:37 (24.205.177.55)
They both are very good. Google, and you will find them. .......
101: Speaker Asylum, It is very good (0.00)
Posted by cktc on 2012-01-31, 21:09:54 (24.205.183.205)
The Havana DAC has very analogy sound. It is smooth without lossing details and dynamic. It is the closest to vinyl DAC in my system. I had the single end version. It is very good already. The balance .......
102: Speaker Asylum, WOW by vintage speakers (0.00)
Posted by cktc on 2012-01-30, 16:56:11 (24.205.183.205)
I recently acquired three pairs of vintage speakers. They really make me WOW when I set them up. The first pair is Acoustat Spectra 22, the second pair is Infinity RS 2.5, the third pair is oringial i .......
103: Computer Audio Asylum, The problem is it only support Mac... (0.00)
Posted by cktc on 2012-01-25, 11:29:14 (24.205.183.205)
If I don't use Mac. And all I want is a good DAC feeding in wave files. Can I use the LAN inputs or USB harddrive directly feed that? .......
104: Amp/Preamp Asylum, do you still use preamp nowaday? (0.00)
Posted by cktc on 2012-01-18, 13:19:40 (24.205.183.205)
Most of newer dacs have build in volume control, if you don't use phono, is there any reason to still use preamp? Please share. .......
105: Computer Audio Asylum, Any tool to play a batch of files in cplay? (0.00)
Posted by cktc on 2012-01-14, 14:04:20 (24.205.183.205)
My goal is simple, to play the whole disc in cplay, while the cd is ripped in separate files. I tried cplaylisteditor and recursive cue sheet generator. But they cannot work with my Chinese character .......
106: Tweakers' Asylum, Problem solved, thank you all. (0.00)
Posted by cktc on 2011-12-09, 16:58:51 (75.128.60.168)
I took the relay out and the coil seems ok. Turn out it is bad contact. But the contact is on the other side of the board, which is cover by the switch itself. .......
107: Tweakers' Asylum, Thanks... (0.00)
Posted by cktc on 2011-12-08, 15:15:59 (75.128.60.168)
I have to correct that it is K101, the AC coil relay having problem, not the DC one. What is the other possible faulty part(s) then? And can I simply bypass the relay? .......
108: Tweakers' Asylum, I resoldered those joins (0.00)
Posted by cktc on 2011-12-08, 15:05:39 (75.128.60.168)
but it is still the same. .......
109: Amp/Preamp Asylum, RE: Capacitors (0.00)
Posted by cktc on 2011-12-07, 22:12:45 (75.128.60.168)
If it is caused by capacitors, which one has better set of capacitors, the longer start time one or the shorter? .......
110: Tweakers' Asylum, HELP, advice for replacing a faulty relay in amp (0.00)
Posted by cktc on 2011-12-07, 22:10:09 (75.128.60.168)
I have Carver ZR1600 amp which cannot power up, I opened the case, all fuses are good. I used my finger to press one relay, then I heard a click sound, and while my finger was pressing the relay. It p .......
111: Amp/Preamp Asylum, You should stay away from class D if you meet one of following conditions... (0.00)
Posted by cktc on 2011-12-06, 15:54:34 (96.229.212.193)
1. have dirty power at your home. 2. you have thin sound system. Of course not all class D made equal. I tried many class D, none of them sound good if they met any of the above. Instead, if you can d .......
112: Amp/Preamp Asylum, RE: Class D Sound - My List of Class D amps (0.00)
Posted by cktc on 2011-12-06, 13:57:44 (96.229.212.193)
I had Nuforce Ref 9, Ref 9 SE, Ref 9 V2, Ref V3.01 SE. Nuforce does improve itself in each version. The V3 is a long way ahead of the original Ref 9 in my experience. .......
113: Amp/Preamp Asylum, I haven't heard Bel Canto... (0.00)
Posted by cktc on 2011-12-06, 13:46:04 (96.229.212.193)
but I my system, the class D beat my ARC D300, classic 30, and other class AB I build. .......
114: Amp/Preamp Asylum, I have nuforce Ref 9 V3 SE and Carver ZR1600 (tripath amp) (0.00)
Posted by cktc on 2011-12-06, 09:49:36 (96.229.212.193)
I think its all depend on your system. I have MHDT Havana Balanced Tube DAC and BAT VK-5SE tube preamp. I also have super power hungry speaker (Hales Transcendence 5 and Infinity Kappa 9). I am never .......
115: Amp/Preamp Asylum, Two identitical amp, but different starting time... (0.00)
Posted by cktc on 2011-12-06, 09:41:25 (96.229.212.193)
I have an 10 year old SS amp. Recently I acquired another same amp and want to try bi-amp or mono block. I noticed that one amp will start up faster than another amp (I mean the time from it power on .......
116: Speaker Asylum, Does anyone has Acoustat Spectra 22 schematic? (0.00)
Posted by cktc on 2011-11-18, 01:10:47 (96.229.212.193)
as title. Thanks. .......
117: Tweakers' Asylum, updating crossover capacitors, should i leave those 0.01uf wonder cap there (0.00)
Posted by cktc on 2011-11-14, 14:05:04 (96.229.212.193)
The original crossover has solen caps by passing with 0.01 wonder caps. I'm removed the solen caps and replacing them top clarity caps and by passing with russian telfon caps. Should I leave those 0.0 .......
118: Tweakers' Asylum, Is there any purpose to connect to a resistor and shorted two ends of the resister... (0.00)
Posted by cktc on 2011-11-06, 00:10:45 (96.229.212.193)
I openned the crossover of an old infinity kappa 9 speakers. I found that it has the output wire to the tweeter going throught a 2 ohm 10w resistor but the resistor is shorted in both ends. Is there a .......
119: Speaker Asylum, lifespan of panel speakers (0.00)
Posted by cktc on 2011-11-02, 13:04:53 (96.229.212.193)
I'm considering to buy some old panel speakers. I know that there are different kind of panels, e.g. Apogee, martin logan, Acoustat, Maggie. What are their different in term of lifespan and faulty rat .......
120: Planar Speaker Asylum, What is the maintenance cost for old panel speakers (0.00)
Posted by cktc on 2011-11-01, 23:14:32 (96.229.212.193)
I'm never owned any panel speakers. I'm considering to acquire a pair of cheap old one to try. How long could the panel function, I heard that those old panels are prob to fail, and the old panel has .......
121: Digital Drive, I use small Russian teflon caps to bypass the output caps... (0.00)
Posted by cktc on 2011-10-28, 10:51:07 (96.229.212.193)
I like the result but I don't really know how much do they contribute. Because I did that mods right after I received the DAC. I also tried AD1856N-K chips. They are very good too. More dynamic and de .......
122: Digital Drive, RE: MHDT Havana owners,,,,,,question.... (0.00)
Posted by cktc on 2011-10-28, 09:51:00 (96.229.212.193)
I had original Havana, and replaced with balanced Havana. So you do know I like this DAC. I did tried a lot of different DAC before settling in Havana, e.g. Apogee Mini, Apogee Rosetta 200, NorthStart .......
123: Tweakers' Asylum, replacing parallel NPE to film capacitor in crossover... (0.00)
Posted by cktc on 2011-10-27, 21:33:06 (96.229.212.193)
I read somewhere, people suggest to add a 0.22ohm in series resistor to the film capacitor if it is replacing the parallel shut NPE capacitor in the crossover. Is that necessary? What is the reason be .......
124: Tweakers' Asylum, Can I use 6 positions rotatary switch ... (0.00)
Posted by cktc on 2011-10-23, 22:10:56 (96.229.212.193)
with 0, 1, 2, 3, 4, 5ohm resistors to replace the it? .......
125: Tweakers' Asylum, Will l-pad change its impedence or crossover point? (0.00)
Posted by cktc on 2011-10-22, 14:35:05 (96.229.212.193)
The original l-pad is 5ohm. Now I can only find 8ohm l-pad. Will the impdence be changed with 8ohm l-pad? Or since it only uses the pin 2 and 3, it only acts as 1-5 ohm variable resistor, so it does m .......
126: Tweakers' Asylum, Infinity Kappa 9 crossover rebuild (0.00)
Posted by cktc on 2011-10-21, 22:36:04 (96.229.212.193)
I just acquired a pair of 20 years old Infinity Kappa 9. I need to rebuild its crossover. Is it good idea to replace the electrolyn capacitors to film caps? Do I also need to replace its old film cap. .......
127: Amp/Preamp Asylum, Carver ZR1600 noise question (0.00)
Posted by cktc on 2011-10-18, 17:55:10 (96.229.212.193)
I just got a used Carver ZR1600. It sounds decent. However it has noticable low level noise came from the amp. At first I thought it was the fan noise inside. I opened the case and disconnected the fa .......
128: Amp/Preamp Asylum, I'm sure the HF amp has lower gain than the bass amp... (0.00)
Posted by cktc on 2011-10-16, 21:46:04 (96.229.212.193)
but as you said, I want to match the gain, but it seems that I can't do anything except guess according to those responses I get from this thread. .......
129: Speaker Asylum, how does infinity kappa 9 stands against today's best? (0.00)
Posted by cktc on 2011-10-16, 18:57:04 (96.229.212.193)
of course the kappa 9 is assumed to be driven by enough power. does kappa 9 have good soundstage and enough high extension as modern speakes? .......
130: Amp/Preamp Asylum, Isn't the speakers designed to run by amps with the same gain levels (0.00)
Posted by cktc on 2011-10-12, 12:58:57 (96.229.212.193)
for achieving best balance and integration? .......
131: Amp/Preamp Asylum, How to set two amps in the same volume level in bi-amping (0.00)
Posted by cktc on 2011-10-12, 12:23:32 (96.229.212.193)
I want to two different amps and want to setup bi-amp on the speakers. The amp for bass has volume pot on it. My question is how do I set the bass amp on the same volume level as the tweeter amp? Any .......
132: Pro Audio Asylum, Looking for cheap but good quality subwoofer amp stable at 1 ohm load (0.00)
Posted by cktc on 2011-10-12, 11:15:18 (96.229.212.193)
I'm looking for a subwoofer amp which has hugh power and current and important is stable at 1 ohm load. 1k is budget limit, under $500 is better. Suggestion for used or new are welcome. .......
133: Amp/Preamp Asylum, Good to know ... (0.00)
Posted by cktc on 2011-09-12, 19:59:05 (96.229.212.193)
Is there any other amp you used with Avalon Eidolons before? Could you share hows was it compared to Nuforce. .......
134: Amp/Preamp Asylum, Can Nuforce Ref 9 V3 drive those hard-to-drive hall of fame? (0.00)
Posted by cktc on 2011-09-12, 15:32:50 (69.235.141.17)
I have a Nuforce Ref 9SE V3. It sounds very nice for my small floorstander. I'm considering to acquire a pair of Thiel CS7. Many consider Thiel CS7 is among those hard-to-drive hall of fame. Does anyb .......
135: Computer Audio Asylum, I have both TC Electronic Konnekt 8 and MHDT Havana ... (0.00)
Posted by cktc on 2011-09-06, 01:38:33 (96.229.212.193)
I agree that TC Electronic indeed made a very good product, especially with its price. Its proformance can further boost up by upgrading some capacitors and power supply. MHDT Havana's USB interface i .......
136: Computer Audio Asylum, Where do you download the Texas Instruments Firewire Driver?? (0.00)
Posted by cktc on 2011-09-05, 23:22:16 (96.229.212.193)
I also want to try it. Thx. .......
137: Computer Audio Asylum, Where can I download cplay 2 b43?? (0.00)
Posted by cktc on 2011-09-02, 17:09:31 (96.229.212.193)
I only saw b39 as the lastest version. .......
138: Digital Drive, MHDT havana users attention: replace PCM56P to AD1856N-K (0.00)
Posted by cktc on 2011-04-30, 00:19:02 (96.229.212.193)
I have MHDT balanced havana. Today I replaced the stock 4 X PCM56P-J to AD1856N-K. The improvement is hard to believe. Dynamic improved. Soundstage improved. High frequency improved. It seems like I u .......
139: Tubes Asylum, 6n26p does anybody have experience? (0.00)
Posted by cktc on 2011-03-24, 22:43:54 (96.229.212.193)
Hi, 6n26p has the same pinout as 396a but with double power. I'm thinking to get some to put it in my MHDT Havana. Does anybody have experience with that tube? .......
140: Computer Audio Asylum, It is great. Thank you very much (nt) (0.00)
Posted by cktc on 2011-03-21, 21:24:29 (96.229.212.193)
. .......
141: Digital Drive, Try non oversample Havana (0.00)
Posted by cktc on 2011-03-20, 16:07:43 (108.38.49.172)
I have extensive modified DIO for many years. It is comparable with MSB link at their time. Recently I brought a non oversample Havana, it win the DIO hand down. It is natural, smooth and dynanmic. It .......
142: Tweakers' Asylum, I used Furman... (0.00)
Posted by cktc on 2010-12-07, 00:09:27 (74.111.195.98)
they have many models. They made for professional studio users mainly. Very solid make and well worth the money. The SPR and IT series have specific outlet for amplifiers which wouldn't limit the dyna .......
143: Speaker Asylum, I'm considering that too... (0.00)
Posted by cktc on 2010-12-01, 11:16:06 (74.111.195.98)
I'm using floorstanding now too. I always like the pin point focus of bookself speaker, but can't withstand bookself's lack of bass for big classic works. Poor thing is I can't hard find a dealer for .......
144: Amp/Preamp Asylum, I am also a nuforce users from V1 to V3... (0.00)
Posted by cktc on 2010-11-29, 00:04:19 (74.111.195.98)
First of all, I must say that not all switching amps have similar sound signature. Some posts use a board stroke to paint switching amps, that usually helps nothing. There was a time I owed Edge G.5 a .......
145: Cable Asylum, Jw Audio Cryo Nova speaker cable... (0.00)
Posted by cktc on 2010-11-24, 23:57:37 (74.111.195.98)
is it the same as anti-cable with better plug and tweak? Anyone has experience with it? .......
146: Amp/Preamp Asylum, Considering the time difference ... (0.00)
Posted by cktc on 2010-11-22, 16:17:24 (74.111.195.98)
Having reply in 2 days is not bad services IMHO. Anyway, I agree we could have better service from a USA company. Thanks for Bush's to collapse the economy Many of us become poor now, we can only affo .......
147: Tweakers' Asylum, My DAC has ground loop problem connecting to my PC... (0.00)
Posted by cktc on 2010-11-08, 20:45:07 (74.111.195.98)
Is there any suggest to solve it? .......
148: Tweakers' Asylum, How about 2 inches long (0.00)
Posted by cktc on 2010-11-06, 18:11:03 (74.111.195.98)
Will it still have RF problem? there is no space underneath too. .......
149: Tweakers' Asylum, bypass with 3 inches long leads ... will it make things worse? (0.00)
Posted by cktc on 2010-11-05, 20:42:36 (74.111.195.98)
I want to bypass the input caps of my amp. However, there is no adjacent space to accomdation for the bypass caps. I plan to use 3 inches long lead to connect the bypass caps. Will it have the same re .......
150: Computer Audio Asylum, RE: MHDT Havana vs Apogee Mini DAC ? (0.00)
Posted by cktc on 2010-10-30, 23:56:14 (74.111.195.98)
I have Apogee mini firewire briefly and then upgraded to Rosetta 200. Now I'm using MHDT Havana. First I must mention that I never used Apogee's firewire interface nor MHDT's USB interface. I'm using .......
151: Speaker Asylum, Looking for Hales Transcendence 5 crossover schematics (0.00)
Posted by cktc on 2010-10-23, 22:58:25 (74.111.195.98)
as title, anybody has it? .......
152: Tweakers' Asylum, RE: Yes (0.00)
Posted by cktc on 2010-10-22, 12:18:32 (69.235.142.85)
What is the biggest value of KBG-MN you used? When they put in parallel, is it better than big value Solen? .......
153: Tweakers' Asylum, RE: FT3 (0.00)
Posted by cktc on 2010-10-21, 19:16:37 (74.111.195.98)
I found that the Teflon value is very small. What is the value ratio do you bypass? 1 to 10 or 1 to 100? Besides, have you use PIO K40 or K75 or KBG to replace film caps? .......
154: Tweakers' Asylum, Anybody tried to use Russians caps in speaker crossover? (0.00)
Posted by cktc on 2010-10-20, 14:59:50 (74.111.195.98)
Could you share what kind of Russian caps you used, and what is the result. Thanks. .......
155: Tweakers' Asylum, Anyone tried to use shock absorption gel put... (0.00)
Posted by cktc on 2010-10-09, 22:52:25 (74.111.195.98)
it under your gears. It is supposed to put under shoe for absorbing vibration. it is good for vibration isolation? Any thought? .......
156: Digital Drive, Looking for computer as source DAC (0.00)
Posted by cktc on 2010-09-12, 00:09:53 (71.243.218.78)
I'm looking for a DAC using computer as transport. My short list is down to following, if you have any experience of all or them or any one of them, please share: 1. PS Audio Perfectwave DAC 2. Ayre Q .......
157: Tubes Asylum, question about the 6922 in BAT VK-5SE (0.00)
Posted by cktc on 2010-09-05, 23:58:37 (71.243.218.78)
I have BAT VK5SE, it used 2 pairs of 6n30p and 1 pair of 6922. I want to know the role of 6922 in the preamp. Will it be sensitive to tube rolling? Right now it is Soviet 6922. I'm considering to repl .......
158: Amp/Preamp Asylum, RE: tube linestage recommendations under 2k? (0.00)
Posted by cktc on 2010-08-21, 22:08:11 (71.243.218.78)
Sonic Frontiers SFL-2 is better than Line 2 if you don't mind there is no remote control. .......
159: Computer Audio Asylum, RE: I'm using Win7 (0.00)
Posted by cktc on 2010-08-20, 10:03:28 (71.243.218.78)
The sad thing is Apogee left the PC boat. They only have old XP driver without any update, that's why I consider RME. Your suggestion is good, let me try to find RME demo. .......
160: Computer Audio Asylum, Does anyone co,mpared RME Fireface with Apogee Mini or Rosetta? (0.00)
Posted by cktc on 2010-08-20, 00:21:20 (71.243.218.78)
I'm using Rosetta 200 now. I like it sound. The drawback of Rosetta 200 is it can't directly connect to my PC. Right now I'm using TC Electronic Konnekt 8 -> Spdif coaxial -> Apogee Rosetta 200. I'm t .......
161: Computer Audio Asylum, RE: In the Prism Orpheus review, JerryS ... (0.00)
Posted by cktc on 2010-08-16, 13:23:59 (71.243.218.78)
mentioned that he build win7 system partner with Apogee Rosetta 200 via firewire card. However, Apogee never has any Win7 driver for their gears. .......
162: Tweakers' Asylum, RE: The peramp has balanced output ... (0.00)
Posted by cktc on 2010-07-21, 17:51:00 (71.243.218.78)
the original is 3uf per phase, total 6uf per channel. Does it mean I could replace the existing 3uf cap to 2uf? With this change, will it dramatically shift the tonal character? .......
163: Tweakers' Asylum, What value of output cap should I use in my preamp? (0.00)
Posted by cktc on 2010-07-21, 00:20:24 (71.243.218.78)
My power amp is nuforce Ref 9, Input impedance: 22K ohm. What value of output cap should I use? Thanks in advance. .......
164: Tweakers' Asylum, What coupling caps are better to be avoided in high temperature case.. (0.00)
Posted by cktc on 2010-07-15, 15:24:43 (71.243.218.78)
I have my BAT VK-5SE with six-pak coupling caps. I think they are Jensen PIO caps. The preamp is pretty hot. In less than 10 years, the caps leak DC current. I need to find caps to replace them. Any s .......
165: Amp/Preamp Asylum, RE: Reading update (0.00)
Posted by cktc on 2010-07-11, 16:51:26 (71.243.218.78)
I measured the DC voltage of the outputs, nothing connected to the preamp. volume set to 17 voltage reading as following: AC is 0V acoross both channel Left channel: pin1 and pin 2 0.8V DC; pin 1 and .......
166: Tweakers' Asylum, RE: the unit was upgraded 10 years old... (0.00)
Posted by cktc on 2010-07-10, 22:48:13 (71.243.218.78)
... they were not cheap. I also don't understand why the expensive capacitors do end up leaking in this relatively short age. And I searched internet, this capacitor leaking (mute poping) problem is n .......
167: Tweakers' Asylum, BAT VK-5SE Six Pak upgrade (0.00)
Posted by cktc on 2010-07-09, 15:14:08 (71.243.218.78)
I have a BAT VK-5SE, which have loud pop sound problem when switching on mute. After contacting Victor of BAT, he diagnosed that the Six pak capacitors leakage is the cause. As the replacement cost of .......
168: Amp/Preamp Asylum, Loud pop sound when mute my preamp (0.00)
Posted by cktc on 2010-07-08, 00:41:51 (71.243.218.78)
I connected my old BAT VK-5SE preamp in my system. There is a loud pop sound whenever I pushed the mute button or turn the volume all the way down, what's wrong with it. Is there any suggested remedy? .......
169: Computer Audio Asylum, Win7 32 bit or 64 bit ... (0.00)
Posted by cktc on 2010-07-07, 02:54:03 (71.243.218.78)
I'm going to install a new HTPC. Will Win7 32bit sound better than 64 bit or it doesn't matter? .......
170: Computer Audio Asylum, Apogee Mini DAC firewire driver for windows (0.00)
Posted by cktc on 2010-07-07, 02:51:36 (71.243.218.78)
Does anybody know where can I download it? Does it work in Win7 64 bit? .......
171: Computer Audio Asylum, RE: Where can I download foo_dsp_ssrcx.dll ... (0.00)
Posted by cktc on 2010-07-06, 01:02:44 (71.243.218.78)
Thank you, I have tried it. It really is system dependent. I like SOX more when upsampling to 24/96 to Sonic Frontiers SFD-2 MKIII. But I like SSRC X more when upsampling to 24/192 to TC Konnekt 8. :: .......
172: Computer Audio Asylum, Where can I download foo_dsp_ssrcx.dll ... (0.00)
Posted by cktc on 2010-07-05, 13:18:39 (71.243.218.78)
I also want to try. .......
173: Tubes Asylum, Use 6n1P in BAT VK-5SE (0.00)
Posted by cktc on 2010-07-02, 00:06:47 (71.243.218.78)
I newly got BAT VK-5SE. I have a brunch of 6n1p, could I use it in the BAT VK-5SE? Will it have a chance to play better than 6h30 super tubes? .......
174: Computer Audio Asylum, RE: I want something with firewire (nt) (0.00)
Posted by cktc on 2010-07-01, 23:42:39 (71.243.218.78)
. .......
175: Computer Audio Asylum, pico power question (0.00)
Posted by cktc on 2010-06-28, 01:06:55 (71.243.218.78)
I'm thinking of building a new i3 system with pico power. I have following question: 1. the pico power have only 20 pins and gigabyte i3 motherboard needs 24 pins and 4 pins. Is it okay just just to p .......
176: Cable Asylum, RE: what equipment you were using to do the match? (0.00)
Posted by cktc on 2010-06-26, 09:55:38 (71.243.218.78)
... and what is the setup of your system. .......
177: Amp/Preamp Asylum, RE: Jeff Rowland Consonance surely is one solid candidate (nt) (0.00)
Posted by cktc on 2010-06-15, 21:15:58 (71.243.218.78)
. .......
178: Amp/Preamp Asylum, RE: I got one recently too... (0.00)
Posted by cktc on 2010-06-15, 21:12:56 (71.243.218.78)
It is really a world class preamp. It deserves the name in the preamp hall of frame. .......
179: Speaker Asylum, Hales Transcendence 5 or 8 if you can find them (nt) (0.00)
Posted by cktc on 2010-06-15, 20:47:27 (71.243.218.78)
. .......
180: Tweakers' Asylum, Thanks (nt) (0.00)
Posted by cktc on 2010-06-13, 22:34:09 (71.243.218.78)
. .......
181: Tweakers' Asylum, RE: Is it good idea to series 10 X 1.2V AA rechargable batteries to do the job? (nt) (0.00)
Posted by cktc on 2010-06-13, 16:31:00 (71.243.218.78)
. .......
182: Tweakers' Asylum, I'm using TC Electronic Konnekt 8 (nt) (0.00)
Posted by cktc on 2010-06-13, 15:59:59 (71.243.218.78)
. .......
183: Tweakers' Asylum, Does Li-ion battery better than Car battery? (0.00)
Posted by cktc on 2010-06-12, 23:23:05 (71.243.218.78)
Is this one good enough? http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=180505157758&ssPageName=STRK:MEWAX:IT .......
184: Tweakers' Asylum, Looking for 12V Battery for DAC (0.00)
Posted by cktc on 2010-06-12, 22:39:49 (71.243.218.78)
I'm looking for a 12V battery for my DAC. How big the battery do I need? the DAC power adapter is 12V 2A. Is there any suggestion? Thanks. .......
185: Tweakers' Asylum, soldering station recommendation (0.00)
Posted by cktc on 2010-06-11, 14:06:31 (69.235.87.101)
I'm looking for a good soldering station under $100. I saw many similar soldering station under different brands in ebay, e.g. Aoyue, KOMEC... All they actually the same thing from the same manufactur .......
186: Digital Drive, shot you email already (nt) (0.00)
Posted by cktc on 2010-06-10, 01:50:19 (71.243.218.78)
. .......
187: Tweakers' Asylum, Assemblage DAC 3.1 or Sonic Frontiers SFD2 MKIII I2S layout (0.00)
Posted by cktc on 2010-06-07, 21:41:18 (71.243.218.78)
Hi, I'm looking for the I2S configuration from Sonic Frontiers. I contacted Chris but I got no response. Does anybody here know the pinout of his cable? Thanks. .......
188: Digital Drive, Assemblage DAC 3.1 or Sonic Frontiers SFD2 MKIII I2S layout (0.00)
Posted by cktc on 2010-06-07, 21:40:48 (71.243.218.78)
Hi, I'm looking for the I2S configuration from Sonic Frontiers. I contacted Chris but I got no response. Does anybody here know the pinout of his cable? Thanks. .......
189: Tweakers' Asylum, RE: isolation feet (0.00)
Posted by cktc on 2010-06-07, 15:28:03 (71.243.218.78)
What size of ball it needs? .......
190: Computer Audio Asylum, Suggestion to connect computer to my Sonic Frontiers SFD2 MKIII... (0.00)
Posted by cktc on 2010-06-03, 21:26:39 (71.243.218.78)
I have Sonic Frontiers SFD-2 MKIII which can accept coxial and proprietary I2S input. I'm considering following 4 options to connect it to my computer: 1. firewire --> TC Electronic Konnekt 8 --> coxi .......
191: Digital Drive, Sonic Frontiers SFD-2 MKII or MKIII (0.00)
Posted by cktc on 2010-05-19, 13:42:45 (71.243.218.78)
I have chance to buy SFD-2 MKII and MKIII. I mostly listen to regular CD, and don't have source output for I2S. Do you think MKII will sound better than MKIII because MKII uses Ultraanalogy chip while .......
192: Computer Audio Asylum, is it true that USB interface cannot use 192k sample rate? (0.00)
Posted by cktc on 2010-05-06, 19:56:06 (134.173.229.1)
. .......
193: Computer Audio Asylum, Apogee Mini DAC which input is better? (0.00)
Posted by cktc on 2010-05-06, 14:29:00 (71.243.218.78)
Coxial, optical, Balanced, USB or firewire? Anybody did the comparison? .......
194: Cable Asylum, Thanks, the cheap one is what I'm looking for (nt) (0.00)
Posted by cktc on 2010-05-02, 22:00:20 (71.243.218.78)
. .......
195: Cable Asylum, Where to buy 20A plug? (0.00)
Posted by cktc on 2010-05-01, 16:59:41 (71.243.218.78)
I want to make a cable to connect Furman 20A conditioner to wall. Where can I buy the 20A plug connecting to furman? .......
196: Computer Audio Asylum, RE: TC Konnekt 8 is very good ... (0.00)
Posted by cktc on 2010-05-01, 16:38:15 (71.243.218.78)
I'm using onboard firewire. PSU bought from ebay, open frame 12VDC regulated power supply. .......
197: Computer Audio Asylum, RE: TC Konnekt 8 is very good ... (0.00)
Posted by cktc on 2010-04-30, 23:03:44 (71.243.218.78)
I don't have any problem on the driver, I'm using Win7 64 bits. The problem probably is about the old driver, not the current one. .......
198: Computer Audio Asylum, TC Konnekt 8 is very good ... (0.00)
Posted by cktc on 2010-04-30, 00:46:19 (71.243.218.78)
after I upgrade the 3 main big value capacitors and using linear PSU. Before having Konnekt 8, I used Asus xonar sound card coaxial out to my heavily modded DIO and NorthStar M192 MKII. In comparing m .......
199: Computer Audio Asylum, RE: Need a DAC wich benefits from 24/192 cMP² upsampling (0.00)
Posted by cktc on 2010-04-29, 12:54:31 (71.243.218.78)
I'm using TC Electronic Konnect 8. It is quite good for the budget, especially you feed it with good power (not the shabby switching adapter coining with it). It accepts 192khz input with firewire. :: .......
200: Cable Asylum, Which model of Mogami you guys like the most? (nt) (0.00)
Posted by cktc on 2010-04-26, 15:26:11 (71.243.218.78)
. .......
201: Tube DIY Asylum, RE: Do you like the sound of 6N1P? (0.00)
Posted by cktc on 2010-04-25, 18:44:34 (71.243.218.78)
I don't know. I got a bunch of 6N1P and have nowhere to put. So I'm thinking to change GG and put some to use. Is it a good idea? I don't know. .......
202: Computer Audio Asylum, RE: FireWire cables? Is anyone making audiophile cables? (0.00)
Posted by cktc on 2010-04-25, 01:17:52 (71.243.218.78)
Audioquest makes at least 3 models. I'm using Belkin pureAv, it makes 2 models. They are very cheap, worth to try. .......
203: Cable Asylum, Polling: what is bang of buck XLR interconnect? (0.00)
Posted by cktc on 2010-04-25, 01:13:05 (71.243.218.78)
Please name. .......
204: Tube DIY Asylum, Transcendent Grounded Grid Preamp (0.00)
Posted by cktc on 2010-04-24, 09:31:59 (71.243.218.78)
It uses 3 12AU7 now. .......
205: Tube DIY Asylum, GG preamp modification for 6N1P tube... (0.00)
Posted by cktc on 2010-04-23, 14:48:55 (71.243.218.78)
Hi, I have a lot of 6N1P tubes, is it possible I can alter the GG preamp to use those tubes? If yes, what I need to change? .......
206: Tweakers' Asylum, RE: more information (0.00)
Posted by cktc on 2010-04-09, 09:26:03 (71.243.218.78)
I found out that when I turned the volume to max, the resistance is about 6.7k, to min it is 0. I think the pot acts as a bypass shunt and it doesn't direct posit in the signal path. 1. Does I still h .......
207: Tweakers' Asylum, more information (0.00)
Posted by cktc on 2010-04-09, 02:54:24 (71.243.218.78)
The pot looks like this one: http://www.panasonic.com/industrial/components/pdf/AOK0000CE10.pdf If it is the case, which legs I need to short in order to bypass it? .......
208: Tweakers' Asylum, Removing balanced volume pot (0.00)
Posted by cktc on 2010-04-08, 23:29:32 (71.243.218.78)
I'm wanting to remove or bypass the volume control pot of my TC Electronic Konneckt 8 DAC. It has balanced output, and the volume control pot has 7 legs connected to the circuit board. I have no idea .......
209: Tubes Asylum, Use 6N1P in Sonic Frontiers SFL-2 (0.00)
Posted by cktc on 2010-04-08, 00:57:47 (71.243.218.78)
I'm thinking to put 6N1P in Sonic Frontiers SFL-2. Does anybody have experience to use 6N1P in SFL-2? Please share. .......
210: Amp/Preamp Asylum, Sonic Frontiers SFL-2 vs Line 2 (0.00)
Posted by cktc on 2010-04-06, 19:07:39 (71.243.218.78)
I'm having SFL-2 right now. I'm thinking to replace it with Line 2 for the remote control. What do you think about this move, is it an upgrade, downgrade or horizontal move? .......
211: Digital Drive, Is there any tweaks for TC Electronic Konnekt 8 (0.00)
Posted by cktc on 2010-04-06, 19:04:31 (71.243.218.78)
Please share or suggest. .......
212: Computer Audio Asylum, To clarify, I want to add wifi adaptor... (0.00)
Posted by cktc on 2010-03-31, 08:51:58 (71.243.218.78)
and wondering PCI or USB wifi adaptor will have less latency spike. I have an Abit airpace PCI wireless adaptor, but couldn't find proper win7 driver that doesn't cost serious latency spike. That's wh .......
213: Computer Audio Asylum, Adding network adaptor, PCI or USB?? (0.00)
Posted by cktc on 2010-03-31, 01:58:00 (71.243.218.78)
I'm adding a network adaptor to my Audio PC, it uses firewire output to my DAC. Network speed is not my concern. I'm wondering USB or PCI will have lesser impact on my Audio pc. .......
214: Amp/Preamp Asylum, REVIEW: Jeff Rowland Consonance Preamplifier (SS) (0.00)
Posted by cktc on 2010-03-22, 21:19:06 (71.243.218.78)
Model: Consonance Category: Preamplifier (SS) Suggested Retail Price: $3450 Description: A classic peramp from Jeff Rowland Manufacturer URL: Jeff Rowland Review by cktc on March 22, 2 .......
215: Tweakers' Asylum, Looking for possible tweaks for TC Electronics Konnekt 8... (0.00)
Posted by cktc on 2010-03-15, 19:15:41 (71.243.218.78)
... Any idea? First of all, how to open its case? and what is possible good 12V DC power supply for it? .......
216: Digital Drive, Hum, it sounds familiar... (0.00)
Posted by cktc on 2010-01-07, 13:38:34 (71.243.218.78)
... but I experienced differently. Sometimes I heard an "acceptable" pop sound when the DIO tries to lock input signal. But that only happens, when I uses "input signal frequency lock" mode. To aviod .......
217: Digital Drive, I have 2 DIOs (0.00)
Posted by cktc on 2010-01-06, 23:34:12 (71.243.218.78)
I don't have that problem. One of my DIO skips the output section and replaced with transformers for output. Another one modified with upgraded caps and opamp. .......
218: Digital Drive, How does modified DIO compared with modern DAC? (0.00)
Posted by cktc on 2010-01-06, 00:58:37 (71.243.218.78)
I'm a happy user of DIO modded with transformer output stage, I like its smooth and relaxing sound. I just curious does anybody compared modified DIO with modern DACs? The upgrade bug may start bittin .......
219: Amp/Preamp Asylum, Thank you for the link (0.00)
Posted by cktc on 2010-01-05, 20:25:57 (71.243.218.78)
it is helpful and I also appreciate the input from speaker designer. .......
220: Amp/Preamp Asylum, RE: more information. (0.00)
Posted by cktc on 2010-01-03, 18:35:50 (71.243.218.78)
I have a good bi-wire speaker (Hales T-5). I don't make to covert it into active crossover setup. I only know two amps have different gains, because I heard obvious sound level different connect to th .......
221: Amp/Preamp Asylum, How can I setup bi-amps with two amps of different gains... (0.00)
Posted by cktc on 2010-01-03, 08:29:25 (71.243.218.78)
I'm thinking to use tube amp on high and Class-D amp on low, but they have different gains. Any idea? .......
222: Cable Asylum, Yes, correction, I mean 8 feet, not 8 inches (nt) (0.00)
Posted by cktc on 2009-12-31, 22:50:49 (71.243.218.78)
. .......
223: Cable Asylum, Speaker cable lenght (0.00)
Posted by cktc on 2009-12-31, 15:53:23 (71.243.218.78)
I read from somewhere that speaker cable should not be short than 8". The author claims that in head to head comparison, 4" speaker cable is much worse than 8". I suspect it is a marketing gimmick for .......
224: Amp/Preamp Asylum, Anybody knows Jeff Rowland Consonance preamp? (0.00)
Posted by cktc on 2009-12-30, 10:58:58 (71.243.218.78)
How does it compare to modern JR expensive preamp? Thanks. .......
225: Cable Asylum, interconnect resistance?? (0.00)
Posted by cktc on 2009-12-19, 22:45:32 (71.243.218.78)
I have very thin silver coxial cable, the cable is 28 ga, and the core is less than 30 ga. For 6 feet length, 6 ohm resistance for the core, and 1.5 ohm resistance for the outer shield. What is the re .......
226: Computer Audio Asylum, RE: Non-english songs error in recursive cuesheet creator (0.00)
Posted by cktc on 2009-12-12, 00:27:05 (71.243.218.78)
I can't find your email. Could you shoot me an email? .......
227: Tweakers' Asylum, Is there any trick to solder wires on the legs of very small surface mount IC... (0.00)
Posted by cktc on 2009-12-10, 23:19:51 (71.243.218.150)
I have an Asus Xonar HDAV sound card. I want to make an I2S output directly connect to my DAC. I local the DAC and the legs. But it is very small and the legs are thin. Is there any trick to tap signa .......
228: Computer Audio Asylum, Non-english songs error in recursive cuesheet creator (0.00)
Posted by cktc on 2009-12-10, 12:43:21 (71.243.218.150)
I'm using recursive cuesheet creator to create cue sheet for cplay. It works fine with english song, but it has error for non-english song character, e.g. Chinese. Is there any fix for that, or other .......
229: Computer Audio Asylum, Is there any simpified direction.... (0.00)
Posted by cktc on 2009-12-10, 12:18:47 (71.243.218.150)
I read your whole tread, but I still have confusion. It would be great if you can simply show 1. which chip I need to solder to tap the signal. 2. the signal/pins configuration of the chip Thank you v .......
230: Computer Audio Asylum, USB vs PCI tap I2S to DAC (0.00)
Posted by cktc on 2009-12-10, 12:12:32 (71.243.218.150)
I have a Northstar M192 MKII DAC. I'm using Asus Xonar HDAV 1.3 coxial out to my DAC now. I'm thinking to get something which can have I2S out to my DAC. I'm thinking to get Juli@ and tweak it. Howeve .......
231: Computer Audio Asylum, RE: Musiland Monitor 02 analog output quality (0.00)
Posted by cktc on 2009-12-09, 18:05:36 (71.243.218.150)
Can it output 192k I2S upsampled signal? I'm interest to get I2S output to my Northstar M192 MKII dac, could you share how can you do the modification? .......
232: Tweakers' Asylum, Anybody tried Vibrapod and/or vibracones under your speakers (0.00)
Posted by cktc on 2009-12-03, 12:13:13 (71.243.218.150)
I'm thinking to get vibracones under my floor standing speaker (Hales Transcendent 5). Does anybody try that? I heard that vibracones having the best result in combination with vibrapod. Any experienc .......
233: Speaker Asylum, Anybody try Vibrapod and/or vibracones under your speakers (0.00)
Posted by cktc on 2009-12-03, 12:11:37 (71.243.218.150)
I'm thinking to get vibracones under my floor standing speaker (Hales Transcendent 5). Does anybody try that? I heard that vibracones having the best result in combination with vibrapod. Any experienc .......
234: Cable Asylum, Speaker cables length, tension and resonance (0.00)
Posted by cktc on 2009-12-03, 02:13:52 (71.243.218.150)
I just made a pair of short (2 feet) CAT 5 speaker cable. I miscalculate the length, the cable hang in the air between the monoblock amp which sit on the stand, and the speaker posts. When I touch the .......
235: Speaker Asylum, a bit higher than $1000... (0.00)
Posted by cktc on 2009-12-01, 21:24:59 (71.243.218.150)
used Revel F30. One of the best in its price range. It replaced my B&W 804. .......
236: Speaker Asylum, Hales Transcendent 5 comment needed (0.00)
Posted by cktc on 2009-11-25, 23:46:05 (71.243.218.150)
Hi, I'm looking for comment about Hales Transcendent 5, anybody has experience with them? I'm particular interest to know how does it stand up with Revel F30 or Thiel CS3.6? .......
237: Tweakers' Asylum, I turn it on a few days non stop, the problem solved... (0.00)
Posted by cktc on 2009-08-11, 02:37:50 (24.205.145.98)
I guess is bad connection somewhere or electronics haven't run for awhile in some components. .......
238: Digital Drive, North Star M192 MKII XLR Vs RCA (0.00)
Posted by cktc on 2009-08-08, 19:46:57 (24.205.145.98)
Hi, I have North Star M192 MK II DAC. My peramp can only accept RCA. I'm puzzling whether it is worthy to buy an peramp which can accept XLR for North Star. Any idea? .......
239: Tweakers' Asylum, Is there any good volume pot suggestion for LS2? (0.00)
Posted by cktc on 2009-08-07, 00:48:30 (24.205.145.98)
. .......
240: Tweakers' Asylum, Help!! ARC LS2 right channel is louder than left channel (0.00)
Posted by cktc on 2009-08-06, 21:27:58 (24.205.145.98)
Hi, I bought an ARC LS2 peramp from audiogon. Its right channel is louder than the left channel, what is the possible problem? Please help. .......
241: Amp/Preamp Asylum, Thank you for all your inputs, esp. thanks Bambi for your details (nt) (0.00)
Posted by cktc on 2009-07-30, 16:10:09 (69.235.152.223)
. .......
242: Amp/Preamp Asylum, Could you elaborate... (nt) (0.00)
Posted by cktc on 2009-07-29, 14:22:36 (69.235.145.76)
. .......
243: Amp/Preamp Asylum, Will ARC LS2 be an upgrade to LS7?? (0.00)
Posted by cktc on 2009-07-28, 17:21:05 (24.205.145.98)
I have ARC LS7, I acquired a pair of active speaker needs balanced input. I'm thinking to trade my LS7 for LS2 which has balanced output. Would that be an upgrade for me? I haven't chance to hear LS2, .......
244: Amp/Preamp Asylum, RE: Krell recall (0.00)
Posted by cktc on 2009-07-23, 17:40:11 (24.205.15.154)
It seems that they have design problem, and now they use the fuses to limit the current. The sound probably will degrade after this quick fix. .......
245: Speaker Asylum, Does anyone where is the best place to repair it? (0.00)
Posted by cktc on 2009-07-23, 16:07:43 (69.235.141.46)
I'm in Los Angeles, CA area. .......
246: Amp/Preamp Asylum, It sounds much better when I reversed the speaker connection, thanks (nt) (0.00)
Posted by cktc on 2009-07-22, 16:28:13 (24.205.15.154)
. .......
247: Speaker Asylum, Revel B15 subwoofer blown??? (0.00)
Posted by cktc on 2009-07-22, 15:30:29 (69.235.140.222)
Hi, I got an used Revel B15 subwoofer. I hooked it up, but it does not have any sound whatsoever the setting. The woofer looks good. What is the possible problem? I get the amp is blown. Is the amp ea .......
248: Amp/Preamp Asylum, Jeff Rowland Consonance Preamp balanced XLR pins (0.00)
Posted by cktc on 2009-07-21, 14:36:44 (24.205.15.154)
I noticed that Rowland's consonance has -ve for pin 2, and +ve for pin 3. Doesn't most power amps use +ve for pin 2 and -ve for pin 3? If I'm not using Rowland's power amp, do I need make a special ca .......
249: Amp/Preamp Asylum, Very well say... (0.00)
Posted by cktc on 2009-07-21, 12:37:28 (24.205.15.154)
I'm not good at describe sound. But you said what I want to say. It seems that we both have similar experience on these three popular Class D amps. .......
250: Amp/Preamp Asylum, RE: REVIEW: Edge Electronics G.5 Amplifier (SS) (0.00)
Posted by cktc on 2009-07-21, 01:45:09 (24.205.15.154)
Ps Audio HCA: The first hi-end class D, it shows us the potential of a Class D amps. Dynamic and good power. However it doesn't have the refinement as showed in the later class D. Its soundstage is re .......
251: Amp/Preamp Asylum, REVIEW: Edge Electronics G.5 Amplifier (SS) (0.00)
Posted by cktc on 2009-07-16, 00:13:04 (24.205.15.154)
Model: G.5 Category: Amplifier (SS) Suggested Retail Price: $2485 Description: 100 wpc (8 ohms) switching amp Manufacturer URL: Edge Electronics Model Picture: View Review by cktc on .......
252: Amp/Preamp Asylum, How can I know, the seller only mentioned Ref 9 ... (0.00)
Posted by cktc on 2009-07-06, 19:18:36 (24.205.15.154)
Is there any label or serial no. I can read? .......
253: Amp/Preamp Asylum, does V1 and V2 has big leap different.... (0.00)
Posted by cktc on 2009-07-06, 16:46:00 (24.205.15.154)
or it is just a incremental improvement? I'm in the cross road thinking of buying V1 used or V2 new, your comment are very much appreciate. Thanks. .......
254: Amp/Preamp Asylum, Nuforce Ref 9 V1 vs V2 (0.00)
Posted by cktc on 2009-07-06, 16:38:04 (24.205.15.154)
I noticed there is a lot of Nuforce Ref 9 v1 for sale, it is easy to get used cheap in execellent condition, my question is, does the new V2 has significant improvement to justify the significant pric .......
255: Speaker Asylum, Apart from amp... (0.00)
Posted by cktc on 2009-07-06, 16:34:40 (24.205.15.154)
Does Thiel 3.6 needs a bigger room for sound integration, my room is 11" X 19", I haven't hear thiel before, those who like B&W said thiel sounds thin, is that true? .......
256: Speaker Asylum, RE: I used a GCC100 and an HCA-2 with a pair I owned... (0.00)
Posted by cktc on 2009-07-05, 20:20:01 (24.205.15.154)
Did you hear other Class D amp? I'm interest in Nuforce too. Besides, what speakers replace your F30? I'm very curious. .......
257: Speaker Asylum, Class D amp with Revel F30?? (0.00)
Posted by cktc on 2009-07-04, 23:57:56 (24.205.15.154)
I am looking for amp for Revel F30. I'm heard both bad and good review about Class D amp. I guess the key is speaker matching. Is there any Revel user having good experience with Class D amp? I'm havi .......
258: Digital Drive, Any good DAC with balanced output recommened? (0.00)
Posted by cktc on 2009-06-02, 23:57:18 (24.205.15.154)
I'm looking for a DAC with balanced output required. Volumne control and USB input is a plue. Any Suggestion? .......
259: Amp/Preamp Asylum, Looking for budget pre-amp with balanced output for active speakers (0.00)
Posted by cktc on 2009-06-01, 00:18:52 (24.205.15.154)
I'm looking for a budget ( Besides, I have Audio research LS7. Will it preform as well if I use adaptor to convert the unbalanced RCA output to balanced? .......
260: Amp/Preamp Asylum, RE: Regarding D300 (0.00)
Posted by cktc on 2009-05-30, 00:01:43 (24.205.15.154)
hi Bambi, I like the D300 so far. I haven't chance to test its real power yet because I only have a very efficient speaker, namely Tannoy DMT 12. The sonic character of D300 is not far from classic 30 .......
261: Amp/Preamp Asylum, RE: Pop sound when I turn on my Audio Research D300 amp (0.00)
Posted by cktc on 2009-05-28, 01:23:38 (24.205.15.154)
I turn on the CD player first, then pre amp, the last is power amp. .......
262: Amp/Preamp Asylum, Pop sound when I turn on my Audio Research D300 amp (0.00)
Posted by cktc on 2009-05-27, 13:22:38 (24.205.15.154)
I just got a used ARC D300 amp. It has pop sound when I turn it on. It is normal? If not, what would be the possible problem? or possible remedy for that? Thanks. .......
263: Computer Audio Asylum, cMP Error (0.00)
Posted by cktc on 2009-05-15, 00:37:36 (24.205.15.154)
I just installed cMP, it has error "Process: explorer.exe Terminated. ERROR: Unable to get Access privileges. optimiseProcesses: Cannot Set Access priviledges. Play CD failed." I'm using Vista-64. Doe .......
264: Digital Drive, Re: How do you compare 3950 and 4960 ... (0.00)
Posted by cktc on 2005-10-31, 21:52:55 (69.231.43.5)
I am cosidering buying 4960 or the sucessor of 3950, regardless of money, which one has better sound Dave? Thanks. .......
265: Amp/Preamp Asylum, Re: Power differences between Class A/AB and Pure Class A (0.00)
Posted by cktc on 2005-10-25, 18:33:33 (69.231.43.5)
>>When you look at the SIZE of the power supply of that Class A amp, it's no mystery. It was a LOT bigger than the 250 watt Class A/B'er Sure Class A amp need a lot bigger transformer than A/B because .......
266: Amp/Preamp Asylum, Audio Research Classic 30 and D70? (0.00)
Posted by cktc on 2005-10-24, 09:57:05 (69.231.43.5)
I have Tannoy DMT 12 high efficient speaker, 98db, hence power is not an issue. I wonder what is the timbre difference between these two amps and which amp will have better result in my system? Anybod .......
267: High Efficiency Speaker Asylum, Any speaker stands suggest for Tannoy DMT 12 MK II? (0.00)
Posted by cktc on 2005-09-12, 18:37:51 (69.231.70.222)
... If I build a stand for it,what height do you suggest? is that the tweeter to the ear level? Thanks. .......
268: Speaker Asylum, Any speakers stand for Tannoy DMT 12 MKII? (0.00)
Posted by cktc on 2005-09-12, 13:59:37 (69.231.70.222)
Besides finished product, if I want to build one, what height do you suggest? do I put the center, tweeter, on the same level to my ear? .......
269: Digital Drive, Re: How's the sound compared to 3960 or 3950? (0.00)
Posted by cktc on 2005-09-11, 23:57:07 (69.231.70.222)
better or worse? or just different? thanks. .......
270: Digital Drive, Anyone has experience on both Toshiba 3980 and the older 3950/60? (0.00)
Posted by cktc on 2005-09-06, 01:08:42 (69.231.70.222)
I can't find Toshiba 3950 or 3960 now. Does anyone know that the newer 3980 is as good as the older one? Thank you. .......
271: Speaker Asylum, Re: Does it still available? (nt) (0.00)
Posted by cktc on 2005-09-05, 20:40:31 (69.231.70.222)
. .......
272: Speaker Asylum, Re: thank you Richard (0.00)
Posted by cktc on 2005-09-04, 01:00:53 (69.231.70.222)
I learned a lot from you. .......
273: Speaker Asylum, Then connect just one channel to sub is better than connect both channels to one sub (0.00)
Posted by cktc on 2005-09-01, 11:40:38 (69.231.70.222)
If 99% of 1) one input should have purer signal than the sum of two signals, assumes even the signal of left and right in a CD is identifical, the left signal and the right signal output may have a ve .......
274: Speaker Asylum, Re: then TWO small subs or ONE powerful sub is better? (nt) (0.00)
Posted by cktc on 2005-08-31, 23:34:11 (69.231.70.222)
nt. .......
275: Speaker Asylum, For music, do two subwoofers have obvious advantage over one subwoofer... (0.00)
Posted by cktc on 2005-08-31, 19:05:07 (69.231.70.222)
... provided that the one subwoofer is fast enough and can offer sufficient sound pressure to the room. .......
276: Speaker Asylum, Correction: where instead of when (nt) (0.00)
Posted by cktc on 2005-08-25, 00:16:54 (69.231.61.147)
. .......
277: Speaker Asylum, Re: When can I buy Adire Rava? (0.00)
Posted by cktc on 2005-08-25, 00:14:57 (69.231.61.147)
Correction: where instead of when. .......
278: Speaker Asylum, When can I buy Adire Rava? (0.00)
Posted by cktc on 2005-08-25, 00:14:06 (69.231.61.147)
And how much? Thank you. .......
279: Speaker Asylum, How do you connect subwoofer? (0.00)
Posted by cktc on 2005-08-15, 11:27:13 (69.231.43.238)
Hi, Changing from a pair of floorstanding to a pair of bookselves, basically I am satisfied the mid and high right now. Yet missing the bass department degrades the whole sprectum when I listen large .......
280: Speaker Asylum, Re: Spendor S8e vs SP7/1 (0.00)
Posted by cktc on 2005-05-19, 23:49:25 (69.231.61.97)
Have no experience with S8e, but I was owner of SP7/1. I heard many good things about Spendor, so I brought SP7/1 without audition. Nevertheless, I did not like it since day one. It's build quality is .......
281: Tweakers' Asylum, Re: Anybody don't like your speaker after upgraded its crossover? (0.00)
Posted by cktc on 2005-05-19, 17:27:42 (69.231.61.97)
It seems that upgrading crossover on the well designed speaker is a gamble and depends on luck. .......
282: Tweakers' Asylum, Anybody don't like your speaker after upgraded its crossover? (0.00)
Posted by cktc on 2005-05-18, 11:21:37 (69.231.59.55)
Hi, Does anybody have experience that after you upgrade the cheap electrotyle capacitors or resistor (with the same value) in your speaker. Then you did not like it? cktc .......
Found total of 282 records, Query: , Author: cktc in All Forums, Time: 1 sec.