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1: Unico reviews (11.39)
Posted by R Browne on 2002-08-25, 22:54:52 (209.179.244.232)
You can find an abridged version of the HFN Unico review at the link below. .......
2: Tube Newbie Seeks Advice For Unico (11.39)
Posted by Demo on 2003-04-02, 09:20:29 (164.113.34.1)
My Unison Research Unico was delivered this morning and I can't wait to take it home and hook it up! I will probably want to try some tube rolling eventually. What replacement tubes can anyone with Un .......
3: Internal pictures of Unico (11.31)
Posted by Headlong on 2002-08-26, 07:49:19 (4.47.28.108)
There are at www.upscaleaudio.com .......
4: Re: Here's some info on the 5963... (11.14)
Posted by tubesound on 2004-03-01, 10:57:14 (195.170.15.166)
Hi Chris I have already used the seach engine, but don't got any result if someone ever had used 5963 in an Unico! I know that these tubes can only be used in amps with anode voltage lower than 250V. .......
5: RE: best sounding tubes for Unico P input with phono stage (10.67)
Posted by 6bq5 on 2021-10-07, 21:04:52 (50.0.128.136)
If you are talking about the product linked below- you have a 12AX7 there are many options- including some equivalents- However I might suggest that you talk to Jim McShane (a sponsor, and great perso .......
6: Re: Telefunkens for the Unico? (10.54)
Posted by mattybumpkin on 2004-02-22, 18:29:17 (152.163.252.5)
The Tele's worked great in the Unico when I owned one, very balanced. Not sure about others that might be less expensive. "M" .......
7: Can I use 5963s in my Unico? (10.33)
Posted by tubesound on 2004-03-01, 01:35:01 (195.167.89.124)
Can I use 5963s in my Unico? .......
8: Can I use 5963 in my Unico? (10.05)
Posted by tubesound on 2004-03-01, 01:39:09 (195.167.89.124)
Can I use 5963 in my Unico? .......
9: Have you seen or heard the Unico P? (10.05)
Posted by Tromatic on 2003-10-16, 14:09:08 (216.99.209.139)
Baby brother to the Unico. One tube, 50 wpc. It's new, but no info so far. Matthew Default Signature Line .......
10: Ciftes on a Unico? Or suggestions for an alternative... (10.02)
Posted by rhizomatic on 2003-07-01, 10:24:58 (128.252.39.161)
Hi all, I fear that my upcoming Jolida JD-100 is going to make my Unico w/ Radiotechniques sound overlush in the midrange. I'm wondering if the Ciftes might be a good tube for detail, texture and bass .......
11: Re: Realistic alternative to the Unison Unico? (9.94)
Posted by Vinylrube-esque on 2003-02-21, 16:46:40 (64.218.91.165)
Buy Used. Check Audiogon. If you're still interested in the Unico I've several for sale over the past couple of months usually for $1100. .......
12: In Case Anyone Is Interested, My Impressions of 3 Different Preamp Tubes w/Unison Research Unico (9.79)
Posted by AnalogJ on 2010-08-06, 05:38:53 (24.61.33.221)
I posted my impressions of three different preamp tubes with my Unico in the Preamp/Amp forum. The link is below. .......
13: Re: Tube Newbie Seeks Advice For Unico (9.60)
Posted by Cafe Jeff on 2003-04-03, 12:33:41 (204.50.126.8)
I need another amp like I need a hole in the amp. But there's something about the Senso Unico that really appeals. Let us know how you find it. Jeff .......
14: Telefunkens for the Unico? (9.44)
Posted by tubesound on 2004-02-22, 17:53:02 (195.167.89.123)
Are the Telefunken 12AU7 a good choice for the Unico? Are there any indetical design tubes as the telefunken but other brand = lower price? tubesound .......
15: How 'bout the matching Unico CDP? (9.39)
Posted by Karl Hungus on 2003-02-22, 12:07:58 (68.96.41.38)
Well, there is a CDP on the way to match the Unico, but I think with the upsampling it hits about $1600 MSRP. Who knows what street price will be, but I am consdering one if I can get the combo with a .......
16: Realistic alternative to the Unison Unico? (9.32)
Posted by rhizomatic on 2003-02-21, 16:26:30 (65.57.58.89)
Alright, upon further consideration, and facing up to the facts of my salary...I don't think I can swing the $1395 necessary to get the Unico. However, these trip into Tubeland has intrigued me... So .......
17: Re: SS integrated amps (9.26)
Posted by R Browne on 2003-09-04, 22:13:34 (209.179.210.70)
The Unison Research Unico hybrid amp (80 wpc) might fill your needs. The advantage the Unico offers over SS is that you can fine tune it by changing the stock 12AU7 tubes to those of your taste. ::: T .......
18: Tube-based CD player w/ tube-based amp? (9.19)
Posted by rhizomatic on 2003-02-20, 13:41:42 (128.252.39.180)
Hey inmates, I am entirely ignorant when it comes to tubes, so this question might be a bit broad or off the mark for this forum but I figured anyone in here would know best, so: I'm looking into the .......
19: Unmatched 12AU7s for the Unico? (9.13)
Posted by tubesound on 2004-02-12, 02:03:37 (195.167.89.119)
Hello This is my second question regarding to tube rolling. My Amp is the Unico Hybrid with two 12AU7/ECC82. Unison recomend tho use matched pairs. What would happen if I use unmatched pairs? tubesoun .......
20: best sounding tubes for Unico P input with phono stage (8.96)
Posted by oitsu22 on 2021-10-07, 15:56:33 (60.241.235.39)
Hello friends Time to replace input tubes for Unico P amp Any great ideas welcome. Also need advice on converting this amp from 110v to 240v Best wishes to all .......
21: Re: Tube Newbie Seeks Advice For Unico (8.92)
Posted by R Browne on 2003-04-02, 19:45:26 (209.179.245.63)
I've tried a bunch, but in the context of my system, the ones I like the best are Telefunkens. You might want to contact Kevin Deal at Upscale Audio as he is both a Unico and NOS tube dealer. I'm sure .......
22: UNISON Research UNICO Pre-amp (8.87)
Posted by Mag4Life on 2005-08-01, 03:05:07 (219.78.1.249)
Anyone has experience with the UNISON Research UNICO Pre-amp? Your thoughts and insights would be much appreciated. Thank you. .......
23: 12AX7??? (8.86)
Posted by R Browne on 2003-06-11, 06:21:11 (209.179.244.86)
The Unico uses 12AU7 tubes, not 12AX7 tubes, unless Unison Research has recently changed the specs for the Unico. Did you get a dealer recommendation for this? The stock 5814a tubes can be exchanged f .......
24: Function of the two 12AU7 im my Unico amp? (8.86)
Posted by tubesound on 2004-02-22, 18:53:07 (195.167.89.123)
Hi What is the funktion of the two 12AU7 in my Unison Unico amp? Is one tube for the left and one tube for the right channel? tubesound .......
25: Tube rolling with the Unico (OT) (8.86)
Posted by R Browne on 2002-12-29, 23:00:38 (209.179.245.105)
My experience in using different tubes in the Unico is pretty much identical to the poster below. Tubes I've tried are Telefunken, Amperex branded Mullards, Tung-Sol, Raytheon, Radiotechniques, RCA cl .......
26: Unico Hybrid Integrated Amp (8.64)
Posted by kptseng on 2003-09-28, 19:22:04 (192.169.41.33)
HI All, Can you help me to trouble shoot? I bought a Unico hybrid integrated and had it shipped but when I brought back to Singapore, there was no sound at all (not even hissing sound) after all prope .......
27: RCA 5963 usable in the Unico amp? (8.48)
Posted by tubesound on 2004-02-22, 19:15:52 (195.167.89.123)
Are the RCA 5963 black Plates usable in my Unico amp? Will the lover voltage of the 5963 damage my amp? tubesound .......
28: Tube upgrade for unison research unico primo (8.28)
Posted by earnie3 on 2013-12-30, 19:34:08 (70.188.148.177)
I have a unison research unico primo it uses 1 12ax7 tube in the preamp stage. It has a eh 12ax7 in it. It sounds fantastic has anyone upgrade the tube in this integrated? .......
29: So how do I change these things? (8.22)
Posted by rhizomatic on 2003-06-09, 09:47:09 (128.252.39.161)
I'm new to this game, couldya guess? Tonight I'm going to change out the stock tubes in my Unico for a pair of Radiotechniques. I've lifted the chassis and seen what's underneath, but I daren't touch .......
30: RE: Input 12AU7 for Unico P Integrated. (8.17)
Posted by R Browne on 2011-01-10, 13:09:44 (67.101.80.191)
Back when I had the original Unico integrated (that used two 12AU7 tubes) my favorites were Telefunkens. Other choices to consider are the Radiotechnique 12AU7WA (ca. 1964) and the Seimens 1584a. I al .......
31: Thanks for the report. (8.17)
Posted by R Browne on 2003-03-05, 23:01:45 (209.179.247.12)
Quite a comprehensive post on your tube rolling experience with the Unico. Nice descriptions of the characteristics of the various tubes you have tried. I've tried a few different 12AU7 types on a cas .......
32: about the Bugle Boys and Siemens (8.02)
Posted by TubeyNubey on 2002-12-29, 14:08:06 (12.254.129.184)
I wanted to know if those Siemens or Amperex Bugle Boys would be a good match(or if they would work at all) in my Unison Research UNICO hybrid integrated amp. I have read a few reports that tube rolli .......
33: Input 12AU7 for Unico P Integrated. (8.00)
Posted by Opus 104 on 2011-01-10, 09:36:07 (74.214.48.158)
I brought out my trusty Unison Research Unico P Integrated amp and realized it's likely past due to replace the stock EH 12AU7 tube in the input stage. The amp has a sweet MOSFET output so I doubt I'd .......
34: Can I run an integrated amp without the tubes? (7.84)
Posted by Jonathan on 2004-02-04, 12:08:54 (192.232.30.80)
Regarding tube rolling: My Unico takes about 45 seconds to cycle out of warmup mode; add this to the time it takes to remove the old tubes and put in the new ones and we're at a couple of minutes or s .......
35: RE: tried tube damper? (7.68)
Posted by R Browne on 2010-08-06, 12:49:12 (69.3.133.147)
Herbie's Tube Dampers can be found at the link below. I've used them in all of my tube gear, including a Unico integrated I owned a few years ago, and have found that they impart improvements in tonal .......
36: Which 12AU7's do you use? (7.51)
Posted by R Browne on 2012-12-07, 16:55:54 (69.3.116.186)
Brand and vintage can have an effect on tube life. While some might be rated for 10,000 hours, they may not be at their peak performance for the duration of their life. When I had the original Unico u .......
37: My First Tube Rolling Experience (7.49)
Posted by rhizomatic on 2003-06-25, 08:26:03 (128.252.39.161)
Hi all, Last night I swapped out the stock tubes in my Unico w/ a pair of Radiotechniques. Holy sh*t. I was expecting a *change*, but of the sort where I'd have to cock my head to one side, listen int .......
38: Hybrid (tube pre / ss main) integrated for <$2500? (7.48)
Posted by J North on 2002-11-12, 20:56:33 (66.183.218.139)
I am aware of the Unico and the Jolida 1501RC. I am looking for tube pre, SS main, remote control and pre-out (Unico & Jolida don't have this). Anyone else make something in this price range? I am als .......
39: Multiple tube dampeners: good thing? bad thing? (7.44)
Posted by rhizomatic on 2003-08-18, 10:12:16 (128.252.39.161)
Hi all, I've got two pairs of the Hal-O tube dampeners. Just put a pair on the Radiotechniques in my Unico and I like the results. I don't yet have my JD-100, so I haven't been able to play around the .......
40: Re: need some suggestion about buying a intergrate tube amp (6.84)
Posted by Grover on 2003-08-07, 15:43:55 (66.17.49.191)
Here are three suggestions to look at. Unison Research Unico - 80 watt. Dodd Audio - 50 watt If you'd like to build an amp from a kit, check out the DIYhifisupply Ella. The Dodd amp isn't as well know .......
41: Re: UNISON Research UNICO Pre-amp (6.79)
Posted by dante on 2005-08-09, 02:36:04 (202.163.237.30)
I have been using a Unison Research Pre since February this year, paired with a Unison Research Unico DM amp used in stereo mode. This combo is very versatile, sounding good with almost any type of mu .......
42: RE: Amperex 12ax7 Bugle Boy? Where to buy? Many Versions? (6.69)
Posted by Tom80112 on 2009-06-01, 16:47:18 (199.46.199.232)
I was going strictly from Joe's tube lore and also from searches here for "best 12ax7". Right now I have a Meridian G98AH Player feeding a Unico Secondo Tube Integrated. I seem to favor this system o .......
43: Re: Replacement Tubes for Unison Research SR1 (6.68)
Posted by hifinutt on 2003-11-03, 13:47:33 (216.190.0.241)
Neil: I'm in the same boat as you. I read two reviews of the SR-1, one loved the unit, the other hated it. As a result I purchased the Unico instead. Was very unhappy. I missed the full rich sound I w .......
44: See my recommendation from your 10/28 post........ (6.59)
Posted by Brad on 2004-01-31, 15:17:41 (24.74.231.229)
The Unico is also quite beautiful and it too has been raved about. .......
45: Snazzier alternative to the Ah! Njoe Tjoeb?? (6.43)
Posted by rhizomatic on 2003-02-21, 06:44:48 (128.252.39.180)
Hey all, I'm interested in the Ah! Njoe Tjoeb to pair with the Unison Unico amp, but, uh...well...it's ugly. Is there any tube-based CDP in the same ballpark that isn't so gross and '80's looking? Or .......
46: Where to find info on Unison Unico? (6.36)
Posted by Chaz on 2002-08-25, 17:08:28 (64.30.201.224)
Has anyone seen one yet? Do any dealers have pictures of it? I saw the review by Sam Tellig. Help! .......
47: Re: Yes...get something that looks better but sounds worse (6.30)
Posted by Vinylrube-esque on 2003-02-21, 08:35:46 (66.143.144.201)
The Jolida JD 100 and Unico 'look' to be perfect match. .......
48: RE: Input 12AU7 for Unico P Integrated. (6.30)
Posted by Neff on 2011-01-10, 13:17:00 (173.220.252.130)
Clean non-Mullard sonics- Brimar 13D5. .......
49: RE: OT: Jumpers (6.30)
Posted by Fal on 2012-12-07, 19:05:26 (98.16.146.79)
I remember seeing your original post. My fear is not so much how to do it, but what happens after I do it. Do not want to blow the Unico or the speakers. .......
50: The Unico P, now discontinued, used a single 12AU7 in the input stage. (6.30)
Posted by Opus 104 on 2012-12-10, 03:10:58 (173.44.65.51)
Owned one for 3 years. .......
51: RE: I want to use different 12AU7 (Tlfnkn + Mullard) (6.30)
Posted by R Browne on 2007-06-28, 17:09:28 (208.179.173.138)
As noted, it is best to use a matched pair of the same type. When I had a Unico my preference was for the Telefunkens. .......
52: RE: First impressions RFT ECC82 in Unico P integrated amplifier (6.24)
Posted by Frank I on 2011-01-27, 14:54:40 (68.82.228.6)
Glad you enjoying it they are nice tubes for sure. .......
53: First impressions RFT ECC82 in Unico P integrated amplifier (6.24)
Posted by Opus 104 on 2011-01-27, 02:50:19 (74.214.48.158)
I recently replaced the stock EH 12AU7 input tube in my Unison Research integrated amplifier with a NOS RFT ECC82 purchased from Boi Audioworks. The Unico P has a sweet MOSFET output stage so I did .......
54: RE: Switched 5814s w/ 5814s now Unico SE won't power up. (6.19)
Posted by bsmoove1 on 2010-04-23, 15:45:28 (24.90.204.31)
...and another of the same. .......
55: Re: Well, that's even easier, call Unico and ask them directly.....since they made the IA... (6.18)
Posted by tubesound on 2004-03-03, 08:13:42 (195.167.89.31)
I asked them. Unison say that it's not an good tube for that amp. .......
56: RE: Switched 5814s w/ 5814s now Unico SE won't power up. (6.18)
Posted by bsmoove1 on 2010-04-23, 15:44:13 (24.90.204.31)
Pic of the tube. .......
57: Re: JAN 5814A Questions (6.10)
Posted by dante on 2005-08-02, 23:59:38 (202.163.237.30)
Thanks for the advice, Don. I like a lot of detail in my music, but not the brightness that I associate with listener's fatigue. I think my system tends to be neutral sounding (not sure if I'm using t .......
58: Re: Where to find info on Unison Unico? (6.10)
Posted by pushpulltriode on 2002-08-25, 21:15:53 (152.163.195.208)
Please read the full review about this piece from July 2002 issue Hi-Fi News magazine. .......
59: Pathos Classic One MkII vs. Unison Unico SE? (6.01)
Posted by RibbonSpeakers.net on 2006-03-21, 20:46:30 (24.5.153.139)
Anyone compare them on a good system? Performance below 130 Hz unimportant. Thanks everyone! .......
60: RE: Input 12AU7 for Unico P Integrated. (6.01)
Posted by Frank I on 2011-01-10, 15:43:02 (68.82.228.6)
RFT EC82 is what your describing. I have some and they are detailed fast and not warm. Very rugged East German tube. .......
61: Used tube CD players: for under $2000, what's the most musical and most real sounding? (6.01)
Posted by hukkfinn on 2006-04-04, 05:39:53 (172.151.128.98)
Unico? Cary 308T? Ah!4000 with upgrades? Looking for musicality, and "you-are-there" realism. Thanks! Hukk .......
62: RE: 12AU7 - Need Help ASAP (5.90)
Posted by erik on 2021-05-03, 12:55:49 (73.68.175.222)
I don't know to be honest. I had an integrated Unison Unico Se with those tubes, and it sounded great. Still regret selling it, it was using a pair of 12au7s and that was my only experience with them. .......
63: RE: Mullard re-issue 12ax7 cryo very interesting.......... (5.90)
Posted by Demo on 2013-02-17, 15:20:41 (24.124.115.12)
I'd like to thank you for your earlier thread about the Tung Sol 12AU7 reissues. Based on that, I ordered a pair from Cryoset for my Unico. I'm very pleased with them! .......
64: RE: Switched 5814s w/ 5814s now Unico SE won't power up. (5.85)
Posted by reb on 2010-04-23, 12:39:38 (72.89.163.22)
Can you post a picture of the replacement tube? Possibly its not a 5814 and maybe was a unscrupulous relabeling. .......
65: RE: Input 12AU7 for Unico P Integrated. (5.83)
Posted by Anacrusis on 2011-01-10, 11:19:49 (99.64.102.96)
Siemens 5814a SH Brimar 13D5 Mazda 6189 (by reputation) RFT ECC82 (by reputation) .......
66: RE: Mullards (5.83)
Posted by R Browne on 2012-12-07, 17:41:34 (69.3.116.186)
I recall trying a pair of the Mullard M8136 tubes in the Unico. Mullards are nice sounding tubes. .......
67: RE: Tube upgrade for unison research unico primo (5.83)
Posted by Blackdog on 2013-12-31, 17:57:31 (50.70.182.109)
That is a good choice. The 803 is generally quite quiet. I had the same hiss problem with some EH 12AU7 and went with JJ ECC802. Still going strong. .......
68: RE: You might want to check the manual; the web site shows these amps use 12AX7s. (5.80)
Posted by Fal on 2012-12-07, 15:14:27 (98.16.146.79)
I did check just make sure and the Unico of that time uses 12AU7's, but thanks for the info, good to have the right valve installed. .......
69: Cary SLi 50 (5.78)
Posted by Zeev on 2005-03-29, 14:32:52 (70.19.147.93)
Just bought a used one. Sounds phenominal. Anyone know anything about them. Remarkably very little info online. Driving Triangle Comets. Going back to listning to all my orchestral music that I given .......
70: Re: Telefunkens for the Unico? (5.75)
Posted by tubesound on 2004-02-22, 18:44:47 (195.167.89.123)
Is there a great improvement? I own the Philips Miniwatt that is a very good tube made in Holland But the improvements are small compared to the stock tubes. Very difficult to say that there is any di .......
71: Sigh... (5.69)
Posted by rhizomatic on 2003-08-28, 07:47:30 (128.252.39.161)
Dude, I broke the bank on that stuff. Bought it all this year. I can't do SET. I don't have like eleven grand lying around. Maybe next time. Meanwhile...it's the Unico I'm having problems with, which .......
72: Has anyone swapped out the tubes in a Unison Research Unico P amp? (5.65)
Posted by dave c on 2006-04-24, 00:28:56 (220.237.226.42)
I have a 4 week old dem model arriving at a ridiculously low price and have heard word of good results from a quick rolling. If anyone can point me in the right direction, then thanks in advance. ::: .......
73: Re: 5814s vs. 6189s (5.60)
Posted by bschense on 2003-08-27, 17:35:56 (12.210.76.38)
Nic Wilsher has been selling 5814's on ebay at a pretty reasonable price. I've bought a couple pair from him and found them to be real nice tubes. I use them in my Unico and would agree with previous .......
74: Re: The "warmest" 12AU7/ECC82 ? (5.55)
Posted by tubesound on 2004-02-24, 02:38:39 (195.170.15.173)
Thanks to all What Telefunkens? The ECC82 Smoth Plate? Can the RCA 5963 (lower voltage) be used in the Unico, too? tubesound .......
75: RE: Switched 5814s w/ 5814s now Unico SE won't power up. (5.55)
Posted by FenderLover on 2010-04-23, 05:22:13 (63.247.31.221)
I noticed that your unit has some jumper cables running from the board. Any chance one of these came loose? .......
76: RE: Switched 5814s w/ 5814s now Unico SE won't power up. (5.52)
Posted by Michael Samra on 2010-04-23, 05:39:05 (97.84.145.189)
Like Steve said,take a look at see if you accidentally yanked a wire or a ribbon cable. Also,make sure you didn't bump a mute button or tape monitor switch. .......
77: RE: Tube upgrade for unison research unico primo (5.52)
Posted by Blackdog on 2013-12-31, 09:14:06 (50.70.182.109)
Don't know about NOS (I never use them), but Unison is now using Tung Sol re-issues in those amps. I other uses, I found the Tung Sol better than the EH. .......
78: Tube synergy (5.49)
Posted by Fal on 2003-05-07, 06:04:35 (204.137.64.100)
I am curious about how best to match tubes in regards to the Mullards12AX7 I have in my Unico integrated and the Sovteks12AX7LPS I have in my Jolida JD-100. Am at cross purposes here or am I putting t .......
79: Well, that's even easier, call Unico and ask them directly.....since they made the IA... (5.48)
Posted by Chris Garrett on 2004-03-01, 12:37:24 (205.188.208.9)
I don't know how high it goes. Most feel that they are a drop in where ECC82/12AU7s are used. I have a pair of Sylvania Gold Brand 5963s, but I've yet to install them in my Foreplay. Take care, Chris .......
80: anyone familiar with unison research's unico hybrid amp ? (5.48)
Posted by monique on 2002-07-16, 01:46:44 (202.187.27.28)
I am very new to tubes. Am thinking of upgrading my amp and thought going to a hybrid would be a good introduction to tubes. Any htoughts on this amp is appreciated. .......
81: OT: Jumpers (5.45)
Posted by R Browne on 2012-12-07, 17:38:06 (69.3.116.186)
Switching the jumpers in the Unico is easy to do if you are so inclined. The following instructions come from my previous post on the subject several years ago: Bypassing the loudspeaker protection ci .......
82: anyone familiar with the pathos classic one or logos amps ? (5.41)
Posted by safri-uno on 2002-08-22, 23:57:15 (202.187.27.28)
Do you think they're good with warm sounding speakers like the Diapason Nux ? How do they compare with other italian makes like Unison Research particularly the hybrid amp, Unico ? If you've got the a .......
83: Hi-Fi News, July 2002 (5.39)
Posted by R Browne on 2002-07-20, 12:45:26 (209.179.245.135)
The Unison Research Unico integrated amp is reviewed in the July 2002 issue of Hi-Fi News. I'm trying to search one out to listen to. Robert .......
84: I would consider Audio Aero prima as well... (5.38)
Posted by restock on 2006-04-04, 13:01:37 (136.159.58.135)
I had owned the Unico CD for 3 months and was quite under whelmed to say the least. It has a nice tight bass, but was overall not very engaging. I found it overall quite lifeless with a slightly tilte .......
85: What does this stuff mean? (5.36)
Posted by rhizomatic on 2003-10-16, 11:29:22 (128.252.39.161)
Hi all, I'm interested in buying a pair of Philips Miniwatts for my Unison Unico. Found a pair on matchmat.com. First off, anybody have experience with this place? Can you tell me how it rates? Second .......
86: Tubes for Jolida JD-100 (5.35)
Posted by Fal on 2003-05-01, 06:05:20 (204.137.64.100)
I am enjoying my Jolida, and have just put in the Sovtek 12ax7lps, which sounds beter than the stock tubes. I am using it with a Unico integrated(mullard NOS tubes)and Kestrel Hotrods. I have a chance .......
87: O.K. here is his real question, he needs a little assistance (5.27)
Posted by SETdude on 2003-02-21, 15:46:13 (63.184.192.248)
The system I'm considering so for centers on either a Unison Unico amp or Axiom's M50 ti speakers. I'm wondering, first off, about their compatibility, and also about how a Jolida JD100 might sound wi .......
88: Re: Repeating the question n times will not magically produce an answer... (5.27)
Posted by tubesound on 2004-03-01, 10:52:54 (195.170.15.166)
The problem is that the 5963 are only for amps with anode voltage lower than 250V. I don't how high this is in my Unico. OK. 5963 are cheap. If only the tubes will get damaged it's no problem. But If .......
89: Thanks, Russ (5.24)
Posted by rhizomatic on 2003-08-28, 09:18:46 (128.252.39.161)
That's sound advice, no pun intended, and pretty much what my coworker friend just got through telling me. He suggested a pair of ElectroHarmonix. Any comments? The Mullards are another I've consider .......
90: Can unmatched 12AU7s damage my amp? (5.23)
Posted by tubesound on 2004-02-22, 18:51:09 (195.167.89.123)
Hi Can unmatched 12AU7s damage my Unico amp? tubesound .......
91: Stupid Question of the Day (5.18)
Posted by AnalogJ on 2003-07-10, 10:14:03 (64.12.96.10)
I see some posts about the benefits of tube rolling. Now, I'm a newbie when it comes to tubes and am considering a Unison Research Unico. I'm currently in my second week of auditioning the unit. I am .......
92: Tube burn in / warm up time ??? (5.17)
Posted by tubesound on 2004-02-11, 02:32:55 (195.170.15.208)
Hi I try some tube rolling for first time(Unico, 2x ECC82) So, I start with NOS Mullards and NEW JJ/TESLAs How much burn in or warm up they need? Should I touch the cold tubes only with glowes? tubeso .......
93: Is the Unison Research SR1 good or poor?? (5.14)
Posted by Hannson on 2002-11-20, 01:18:58 (192.169.41.53)
Thought of getting this beauty but HiFi Choice ratings were very poor! Particularly the speaker loading specs that were below average. maybe the new unico (less gorgeous) with its newer design be a be .......
94: Are the Short Plate Mullards 12AU7 good tubes? (5.13)
Posted by tubesound on 2004-02-10, 15:48:26 (195.170.15.166)
Hi are the Mullard ECC82 Short Plate (1960es special selection for Hammond Organs) a good choise for my Unico Amp? How is their sound compared to the stock Philips 5184A JAN? tubesound .......
95: Re: GE 5751 black plate disappointment (5.13)
Posted by Fal on 2003-10-31, 07:42:02 (207.94.178.180)
I am the guy Bob sold the Tunsgrams to and I do love them. They really work well in my system (Jolida JD-100, Unico int amp, and Kestrel Hotrods). They seem to do a great job on imaging and bass, high .......
96: Philips Heerlen E88CC's (5.12)
Posted by JFB on 2003-10-20, 06:39:41 (209.166.235.77)
Yes, these tubes are common -- but I've found them to be excellent sonically and a great value as NOS tubes go, the Philips-branded tubes selling for less than identical Amperex-branded Holland tubes. .......
97: Switched 5814s w/ 5814s now Unico SE won't power up. (5.12)
Posted by bsmoove1 on 2010-04-23, 05:01:16 (24.90.204.31)
Literally pulled out the old, inserted the new, closed the top and...nothing. Replaced the original tubes...nothing. The unit is still receiving power, but there's no input/output activity. Anybody ha .......
98: Can "playing" with the Volume shorten the life of 12AU7s ??? (5.09)
Posted by tubesound on 2004-02-12, 02:14:39 (195.167.89.119)
Hi I like to adjust the Volume during an CD many times. Can this affect the tube life of my 12AU7s in my Unico? Or is the Volume only controled by the MosFet output stage? tubesound .......
99: The "warmest" 12AU7/ECC82 ? (5.08)
Posted by tubesound on 2004-02-22, 10:34:53 (195.167.89.114)
Hi I'm searching for the "warmest" sounding 12AU7/ECC82 tube for my Unison Research Unico. Any suggestions? Would be fine if the tube has deep bass too tubesound .......
100: Re: Other than audio, what are the other uses for tubes today? (5.06)
Posted by bobahlouie on 2003-11-09, 09:35:11 (12.83.15.241)
Not a tube expert, but here is what I know which is not much but perhaps provides a differet slant than usual... Tubes are still used and prefered in some Soviet and Maoist era comms and electronic wa .......
101: I want to use different 12AU7 (Tlfnkn + Mullard) (5.03)
Posted by cdoc_chile on 2007-06-28, 11:39:17 (200.54.120.133)
Hello Guys I have an Unico Hybrid integrated amplifier (80 watts). In the pre-amplifier stage it use two valves type 12AU7 (ECC82). It is possible to use a Mullard cv4003 valve and one Telefunken ECC8 .......
102: RE: First impressions RFT ECC82 in Unico P integrated amplifier (5.02)
Posted by tvr2500m on 2011-01-27, 13:11:40 (74.104.160.180)
This is a really great tube (there're some "sub" variants). I bumped into in the linestage of my Conrad Johnson PV-12. The late production RFT ECC82/12AU7 is (was/still is?) the tube CJ used as OE. An .......
103: 12AU7 tube life (5.02)
Posted by Fal on 2012-12-06, 07:11:54 (98.16.146.79)
I have an Unison Research Unico and I am wondering about the tube life of the 12AU7's it uses. I do not leave the Amp on all the time but do use it 4-7 hours a week, erring toward conservative use tim .......
104: Re: The "warmest" 12AU7/ECC82 ? (4.97)
Posted by R Browne on 2004-02-22, 15:49:06 (216.244.37.245)
As already mentioned, the RCA 5814a is a good choice. Another to consider is the early 1950's Raytheon 5814a. Out of all the tubes I have tried in the Unico (RCA, Raytheon, Tung-Sol, Radiotechniques, .......
105: Good interconnect for tube amp+tube CDP? (4.92)
Posted by rhizomatic on 2003-02-24, 11:46:09 (128.252.39.180)
Hello all, I'm wondering if anyone has any ideas on cables which might be particularly well suited to connect two tube-based components, specifically a Unison Unico amp and a Jolida JD-100 CDP. Are t .......
106: Re: The "warmest" 12AU7/ECC82 ? (4.84)
Posted by tubesound on 2004-02-22, 16:55:19 (195.167.89.123)
The seller say: "Tested on Precision 612 Tester. New tube of this type measures around: 72 Test Results were: Tube 1; A1:63 A2:63 Tube 2; A1:64 A2:62" My amp is the Unison Research Unico I'm using the .......
107: Can tubes correct brightness in speakers? (4.84)
Posted by rhizomatic on 2003-02-23, 15:54:54 (63.208.63.227)
'Correct' may be too strong a word, but you get the idea... The reason I ask is because I am considering pairing Axiom M60 towers with a Unison Unico amp and a Jolida JD-100 CDP. The one persistent c .......
108: RE: good choice (4.81)
Posted by beppe61 on 2014-02-15, 01:38:39 (85.19.92.6)
Thank you very much again for your valuable advice and kind help I think that a tube could be enought, overimposing is "character" on a completely solid state chain I listen in the past to the Unico i .......
109: Hey Russ... (4.79)
Posted by rhizomatic on 2003-07-01, 11:39:07 (128.252.39.161)
I'm not one, but *two* steps ahead of you! ;-) I'm getting the Jolida from Parts Connexion, and in addition to the Level 1 mod, they're putting an Audiocom Superclock on the thing, and then on top of .......
110: Although... (4.71)
Posted by dave c on 2007-03-11, 15:26:30 (211.31.67.100)
... my Ambience Ribbons are quoted at 89dB and with a power rating of 100-150 w, my 18w Valvemark seems to work very well with them, and my room is not on the small side. When I use the Unison Researc .......
111: What is a matched pair? (4.69)
Posted by Audio Nirvana on 2003-05-18, 10:16:15 (210.186.220.105)
I am a bit of a tube newbie, having recently purchased a Unico hybrid amp (12au7 in the preamp stage). Would appreciate some advice from the more experienced. I am keen to get into some tube rolling, .......
112: Re: small integrated amp for newbie? (4.68)
Posted by Brad on 2004-01-30, 18:35:44 (24.74.231.229)
Alot of people have talked about the Unison Research "Unico" integrated as being very nice. There is a gentleman on Audiogon that sells Triangle speakers and Unison Research. If I were you, I'd contac .......
113: Gold lion 12ax7 question (4.61)
Posted by earnie3 on 2014-01-14, 19:57:31 (70.188.148.177)
I bought a 12ax7 gold lion tube for my unison research unico primo. It came with a tungsol reissue 12ax7. I like what the gold lion is doing so far. My question is the bass on the gold lion seems a li .......
114: I am keen on them too but are they for real ? (4.60)
Posted by leftsaidfred on 2002-08-11, 21:03:43 (202.187.27.28)
Having been interested in hifi for so many years and being "duped" by a couple of products based on looks and adverts/reviews, I am a little cautious. I listened to the new hybrid Unico 80wpc over the .......
115: Which tube am I looking for? (long, but *please* read) (4.56)
Posted by rhizomatic on 2003-08-28, 07:15:26 (128.252.39.161)
Hi all, I had an interesting night. Last week I got my Jolida JD-100, which had been modified by Parts Connexion and so sported a pair of Sovtek tubes. At that point I had a pair of Radiotechniques in .......
116: Thanks for confirming Grover - this is based on feedback from customers (4.52)
Posted by Kevin Deal on 2003-08-28, 07:00:59 (4.47.30.20)
I don't always get to plug three or four types into numerous preamps amps and cd's that we sell. So when people buy gear...esp if I do not have feedback on that piece, I make sure to get some tubes in .......
117: Unison and Quads (4.49)
Posted by Giorgio Maletti on 2002-11-04, 15:10:03 (213.255.82.82)
I just got a hold of the rave review of Unison Unico by Sam Tellig (I hope next time he will be in Italy will ring me up: I would like to return some of the pleasure I got from his articles in form of .......
118: Tube rolling 12ax7 in my integrated very interesting... (4.47)
Posted by earnie3 on 2014-01-31, 18:08:27 (70.188.148.177)
I was tube rolling in my unison research unico primo intergrated. It uses one 12ax7 in the preamp stage. I tried a brimar 4004 it was to warm and fuzzy rolled off on top. I then tried a telefunken smo .......
119: RE: Input 12AU7 for Unico P Integrated. (4.47)
Posted by geraldm121 on 2011-01-11, 16:45:52 (24.151.71.46)
I currently use 12AU7's in my Cayin MT12a integrated amp (and in the past a Cayin A70t I have since sold) and usually prefer the Telefunkens just for their detailed yet smooth sound. That said I woul .......
120: It depends a lot on the operating point... (4.42)
Posted by casouza on 2010-02-02, 21:40:48 (189.122.117.113)
...which may be quite different in your Cd player as compared to the amplifier. I find them quite neutral in my friend's Unico Sinfonia, after we got rid of the standard chinese output tubes and insta .......
121: Re: My First Tube Rolling Experience (4.41)
Posted by Audio Nirvana on 2003-06-25, 20:09:58 (161.142.78.84)
Rhizo, could you be more specific on how the sound with the Radiotechnique was different from the stock tubes? I have a Unico too and swapped the stock tubes to JJ. For me, also huge difference in sou .......
122: Re: about the Bugle Boys and Siemens (4.31)
Posted by bschense on 2002-12-29, 18:10:46 (12.210.76.38)
I've done some tube rolling in my Unico. I've tried Telefunken ECC82 (used), Mullard 12AU7 (used) and Mullard CV4003 (NOS). The Telefunkens were a big improvement over the stock tubes. I then tried th .......
123: Re: Are the Short Plate Mullards 12AU7 good tubes? (4.29)
Posted by Jimmy on 2004-02-11, 07:56:15 (207.89.249.130)
I do not have that Unico amp. Perhaps someone can advise on that exact amp. If not, I offer the following: As a general response, I have not ever been disappointed in '50s & '60s Mullard tubes. The Bl .......
124: RE: Tube upgrade for unison research unico primo (4.26)
Posted by Sondek on 2013-12-31, 11:21:53 (99.6.55.49)
I used the TungSol reissue 12AX7's in my CAT SL1 for quite a while and really liked them. I have since moved on to the JJ ECC803s and find that I like them even better. Smoother and a bit more refined .......
125: Can anyone compare Philips Miniwatts with RCA cleartops? (4.26)
Posted by rhizomatic on 2003-11-10, 09:40:20 (128.252.39.161)
Hi all, Just got some Philips Miniwatts for my Unico. I much prefer them to any other tubes I've tried. They seem more neutral throughout the frequency range, more dynamic, and more detailed than any .......
126: RE: Input 12AU7 for Unico P Integrated. (4.22)
Posted by Eli Duttman on 2011-01-10, 10:09:33 (68.82.123.192)
AA sponsor Jim McShane is your man. You will not find a straighter shooter. Jim's site shows an absolute "steal". For $8.50, you can buy a slightly microphonic RCA 5963. Snatch that tube and some "O" .......
127: Re: Hybrid vs Tube (4.12)
Posted by hifinutt on 2003-12-26, 21:32:41 (24.176.192.169)
I own/have owned several EL-34 all tube amps, more than a few hybrids and they each have their points. For a tube amp the Cayin TA-30 just can't be beat for the buck. Go to www.2baudio.com and check t .......
128: Re: Telefunken 12au7 question (3.89)
Posted by R Browne on 2003-04-26, 21:25:09 (209.179.245.19)
The Telefunken 12AU7 in my experience is a fine tube and one of my favorites. I've used it in an Audio Note CD2, Audio Note M1 preamp and a Unison Research Unico where it performed better than most, b .......
129: All 12AU7s have the same sound! (3.86)
Posted by tubesound on 2004-02-29, 13:13:19 (195.167.89.51)
Hi All 12AU7s have nearly the same sound in my amp. I know that this shouldn't be. My amp Is the Unison Research Unico. I searched the forum and found out that other owners have diferrent sound. How c .......
130: Re: All 12AU7s have the same sound! (3.82)
Posted by blurred on 2004-02-29, 19:57:37 (152.163.252.5)
tubesound, I find it a little odd you could not tell a significant difference between all those 12au7's you tried. Did you break in your Unico amp before tube rolling? Like Chris Garrett said, I tried .......
131: Hey Tube Snobs....Help a Newbie? (3.78)
Posted by Dave H on 2003-02-16, 11:10:46 (205.188.208.104)
I have been reading many posts on here during my recent system upgrade. I have finally decided to trash my plans on driving my Klipsch RF-7's with a SS unit from NAD, or Parsound, or Rotel, or Adcom.. .......
132: Newbie Question: Can Tube Sound Be Generalized? (3.72)
Posted by AnalogJ on 2003-08-12, 06:26:03 (64.12.96.10)
I just got a Unico and am considering a tube upgrade. The stock tubes are decent (mid-range has a some of that "magic"), but sound is rolled off at the frequency extremes, lacks a bit of transparency, .......
133: Tubes to help bright system (3.71)
Posted by PaulR on 2005-04-05, 18:31:00 (68.237.12.140)
My system suffers from glare in the upper midrange/lower trebble. This is likely because of accoustics; it's set up in a big live/work loft with nothing but hard surfaces and with a brick wall and win .......
134: JAN 5814A Questions (3.66)
Posted by dante on 2005-08-01, 19:20:29 (202.163.237.30)
I just bought a pair of NOS GE JAN 5814As to replace the stock tubes of my Unison Research Unico Pre Preamp. My initial research told me that the GE JAN 5814As are of the Joint Army Navy military issu .......
135: Re: Welcome to the wonderfull world of tubes (3.62)
Posted by Russ57 on 2003-08-28, 08:59:06 (209.42.40.145)
You are finding out the good and the bad thing about tubes all at the same time. If it was a solid state amp you would simply have to settle for the sound it gave you. With your amp you can tailor the .......
136: Radiotechnique 12AU7 Sonics Contradictions (3.60)
Posted by AnalogJ on 2003-08-27, 12:38:19 (64.12.96.10)
I have been reading seemlingly contradictory descriptions of the Radiotechnique 12AU7 sonics. Kevin Deal has referred to them as having a full-bodied mid-range and being sonically between the Cifte an .......
137: Re: All 12AU7s have the same sound! (3.59)
Posted by blurred on 2004-03-01, 22:45:38 (152.163.252.5)
tubesound From reading the other members posts here, you should probably hold off on all the tube rolling until you can save up and get a better cd player, or maybe go listen to some new speakers to g .......
138: These are my other components. Should I trie other speakers? (3.53)
Posted by tubesound on 2004-03-01, 01:24:35 (195.167.89.124)
Hi Thanks to all. My other components are an cheap 8 year old Yamaha CDP, Kimber PBJ, Kimber 4TC & 8 TC Biwire, WBT-Bananas, B&W CDM1 (the first, 8 years old) I bought the tubes form different trusted .......
139: Gosh, Polo (3.39)
Posted by mvwine on 2003-01-16, 06:50:12 (68.97.68.15)
MY opinion is that you're going about this the wrong way. Properly designed equipment is properly designed equipment, wether tube or solid state. I don't think I'd suggest just sticking a tube compone .......
140: 12AU7 tube hell!!! Robert H et. al. please help! (3.36)
Posted by Jonas F on 2004-05-23, 01:00:52 (217.70.211.12)
Sound I'm looking for: Low end bass only when needed, I hate it when there is a low bass veil over the music all the time, it should only be there when it's called on. Voices slightly forward, though .......
141: Re: I'd replace the tubes in the Jolida first (3.33)
Posted by Russ57 on 2003-07-01, 11:15:10 (209.42.40.145)
Not sure what they come with but probably Chinese ones. Best to wait and see how the two get along before you start messing with the Unico. I don't think you will have any problems with an overly lush .......
142: Re: Tung-Sol 12AU7's clear glass / square getters (3.28)
Posted by tubesound on 2004-02-23, 18:03:56 (195.170.15.172)
I am new into "tube rolling" :) A month ago I bought an Unico Mosfet Hybrid Amp. The sound of the stock tubes Philips JAN 5184A is good but maybe there are better tubes. So I bought some from dealers .......
143: retubing the Unico hybrid (3.18)
Posted by trane d. on 2003-03-05, 10:02:09 (136.152.194.82)
Here's a rather long report I wrote on retubing the new Unico Hybrid amp. I'd be interested if anyone else has retubed their Unico and what results they've gotten, and any advice on other 12AU7s or EC .......
144: Telefunken ECC83: Direct quotes from Joe's Tube Lore (2.54)
Posted by Tom80112 on 2009-06-01, 22:20:33 (67.165.243.175)
First off let me say that I am not trying to start any wars. I just want to Quote Joe's Lore to show how I thought Telefunkens were bright.. That said please follow below how I came to my conclusions .......
145: Tube selection and pissing contests (2.52)
Posted by Kevin Deal on 2003-01-20, 21:55:04 (4.47.29.138)
Four hours is a bit early...leave 'em alone for a few days. A couple years ago, I was about to give up re-tubing PV-10, PV-11, and PV-12. Too many returns. I would just tell people to stay with the s .......
146: Re: Vintage vs. New Tube Amps - Understanding differences (2.10)
Posted by pushpulltriode on 2003-10-25, 04:09:32 (152.163.252.5)
I personally feel the vintage amplifier and current (new) amplifiers are great if you listen to the one design proper. Assume you listen to a bad design vintage amplifier but result is still not bad. .......
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