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1: Amp/Preamp Asylum, Re: Bryston 2B-LP (0.00)
Posted by boggie9 on 2002-12-21, 06:56:38 (202.156.2.92)
Does anyone has the schematic diagram fro 2B-LP? Thanks. .......
2: Tubes Asylum, Re: Audio Plus PA/1199A ?? (0.00)
Posted by boggie9 on 2002-12-21, 06:54:15 (202.156.2.92)
The static sound seems to be on both channel but left channel has a stronger and only when the knobs are positioned at 12o'clock. What usually the output readings? Thanks. .......
3: Tubes Asylum, Re: Tube Pre-Amp HELP (0.00)
Posted by boggie9 on 2002-12-21, 06:43:48 (202.156.2.92)
Hi Tiny Daddy, B+ measured @ 285V and 6.23V for the filament (looks fine?). Now it works fine. Manage to get back the normal sound but now facing another problem and needed your expertise again. My pr .......
4: Tube DIY Asylum, Tube pre-amp DIY (0.00)
Posted by boggie9 on 2002-12-20, 22:00:28 (202.95.123.163)
Hi, Does anyone in this forum have a line pre-amp design to share so that I can try? Let's say I already have a power supply with B+ 285V and for heater filament 6.23V. And, I have a pair of E88CC/692 .......
5: Tubes Asylum, Tube Pre-Amp LED (0.00)
Posted by boggie9 on 2002-12-20, 21:50:14 (202.95.123.163)
Hi, Any idea how the LED on the tube pre-amp changes in color from red to green or the other way around? My pre-amp does not change in color. Steady in red. I checked the LED and it has a 3 wires conn .......
6: Amp/Preamp Asylum, Re: Bryston 2B-LP (0.00)
Posted by boggie9 on 2002-12-20, 21:43:38 (202.95.123.163)
Hi Dman, Thanks. The high volatge output (157mV) with the hum that makes me worried. When settle down, do we really have voltage output as what I am getting R=22mV and L=32mV? Thanks, Billy ::: TOPIC: .......
7: Tubes Asylum, Re: Audio Plus PA/1199A ?? (0.00)
Posted by boggie9 on 2002-12-20, 21:28:10 (202.95.123.163)
Hi Tiny Daddy, B+ measured @ 285V and 6.23V for the filament (looks fine?). Now it works fine. Manage to get back the normal sound but now facing another problem and needed your expertise again. Thank .......
8: Amp/Preamp Asylum, Bryston 2B-LP (0.00)
Posted by boggie9 on 2002-12-20, 20:12:33 (202.95.123.163)
Hi, I have this pwr amp and noticed that everytime i powered up, the speaker driver moves back and forth associated with a hum in a few seconds. After that it will be fine. I measured the speaker outp .......
9: Tubes Asylum, Tube Pre-Amp HELP (0.00)
Posted by boggie9 on 2002-12-17, 05:40:01 (202.156.2.91)
Hi, Thanks for your response on my tube pre-amp. The resistor now works porperly but I'm facing new problems. The sound that is coming from my speakers were too weak even I cranck-up the volume + ther .......
10: Tube DIY Asylum, Re: Triode 6922 Plate Supply Voltage Help (0.00)
Posted by boggie9 on 2002-11-29, 21:22:44 (202.95.123.163)
I think I shorted some of the PS output pins when cleaning. .......
11: Tube DIY Asylum, Re: Triode 6922 Plate Supply Voltage Help (0.00)
Posted by boggie9 on 2002-11-28, 07:14:35 (202.156.2.92)
Hi, Thanks for your responds. I made some mistakes on the values I posted. The 50V cap should be 450V and the bleeder resistor 180ohms should be 100K ohms. What will be the value of the burnt resistor .......
12: Tweakers' Asylum, Re: How is your 6922 hooked up? That is. . (0.00)
Posted by boggie9 on 2002-11-28, 06:58:13 (202.156.2.90)
Hi John, Thanks for the info. Anyway the value that I posted of the cap should be 450V/47µF and not 50V/47µF. Hoping you can give me more advised as I miss listening with my system already. Thanks, Bi .......
13: Tube DIY Asylum, Re: Triode 6922 Plate Supply Voltage Help (0.00)
Posted by boggie9 on 2002-11-27, 03:11:39 (202.156.2.91)
Sorry I the wrong value 50V of the capacitor after the resistor and it's should be 450V/47µF. Circuit below for info. 397V ----------R=???(burnt)-----------------B+ .........|..................|.....| .......
14: Tube DIY Asylum, Re: Triode 6922 Plate Supply Voltage Help (0.00)
Posted by boggie9 on 2002-11-27, 03:03:51 (202.156.2.91)
Sorry I the wrong value 50V of the capacitor after the resistor and it's should be 450V/47µF. Circuit below for info. 397V-------R=?(burnt)-------------------------B+ | | | | | .......
15: Tube DIY Asylum, Triode 6922 Plate Supply Voltage Help (0.00)
Posted by boggie9 on 2002-11-26, 19:30:45 (202.95.123.163)
Hi, I would appreciate if somebody can help me with my Audio Plus tube pre-amp problem. Lately, I can't get enough plate supply voltage for the triode 6922 causing a very weak sound coming from the sp .......
16: Tweakers' Asylum, Triode 6922 Plate Voltage Help (0.00)
Posted by boggie9 on 2002-11-26, 19:25:52 (202.95.123.163)
Hi, I would appreciate if somebody can help me with my Audio Plus tube pre-amp problem. Lately, I can't get enough plate supply voltage for the triode 6922 causing a very weak sound coming from the sp .......
17: Tubes Asylum, Tube Pre-Amp HELP (0.00)
Posted by boggie9 on 2002-07-24, 05:44:59 (202.156.2.92)
Hi, I owned a tube pre-amp Audio Plus PA/1199A and is currently not in operation due to pre-amp tube faulty. Does anybody in the asylum knows the part number? Your help needed. Thanks, Billy ::: TOPI .......
18: General Asylum, Tube Pre-Amp HELP (0.00)
Posted by boggie9 on 2002-07-23, 06:24:04 (202.156.2.92)
Hi, I owned a pre-amp Audio Plus PA/1199A and is currently not in operation due to pre-amp tube faulty. Does anybody in the asylum knows the part number? Your help needed. Thanks, Billy .......
19: General Asylum, Tube Pre-Amp HELP (0.00)
Posted by boggie9 on 2002-07-23, 06:22:29 (202.156.2.92)
Hi, I owned a pre-amp Audio Plus PA/1199A and is currently not in operation due to pre-amp tube faulty. Does anybody in the asylum knows the part number? Your help needed. Thanks, Billy .......
20: General Asylum, Tube Pre-Amp HELP (0.00)
Posted by boggie9 on 2002-07-22, 06:27:54 (202.156.2.92)
Hi, I owned a pre-amp Audio Plus PA/1199A and is currently not in operation due to pre-amp tube faulty. Does anybody in the asylum knows the part number? Your help needed. Thanks, Billy .......
Found total of 20 records, Query: , Author: boggie9 in All Forums, Time: 0 sec.