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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Hi Folks
Been bread boarding a 750 vdc version of GroverG's 845 amp the last few days, but I have run into something that has me stumped. After working out a few original bugs in the power supply I got music out the end of the wires and it sounded pretty darn good. I was leaning back enjoying the sound when all of a sudden it let out this horrible shreik and went quiet. Funny thing is I tried again a few minutes later after finding nothing visibly wrong and exactly the same thing happened. It played for several minutes, made a bad shreik and went quiet. I am guessing that the higher voltage is stressing something out, but I can't figure out what. What type of part is most likely to behave that way?
Thanks!
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Topic - What is happening??? - Vinnie 14:32:06 12/24/04 (41)
- News Flash!!! Vinnie is an Ijit !!!! - Vinnie 04:16:26 12/26/04 (1)
- Re: News Flash!!! Vinnie is an Ijit !!!! - groverg 04:26:02 12/26/04 (0)
- Can I post the schem Grover? (nt) - Vinnie 13:24:11 12/25/04 (0)
- need to see a schematic - Jim Doyle 13:10:10 12/25/04 (25)
- Re: need to see a schematic - Jim Doyle 10:48:52 12/26/04 (0)
- Re: need to see a schematic - Vinnie 13:26:18 12/25/04 (23)
- Re: need to see a schematic - groverg 18:43:56 12/25/04 (22)
- Re: Back to the Drawing Board.... - Vinnie 09:38:36 12/26/04 (20)
- Re: Back to the Drawing Board.... - groverg 11:38:17 12/26/04 (19)
- Re: Back to the Drawing Board.... - Vinnie 14:33:00 12/26/04 (18)
- Re: Back to the Drawing Board.... - groverg 14:44:30 12/26/04 (17)
- Re: Back to the Drawing Board.... - Vinnie 15:24:54 12/26/04 (13)
- Re: Sheeesh! - Vinnie 16:29:53 12/26/04 (0)
- Looks like we got a preamp problem... - Vinnie 16:12:24 12/26/04 (11)
- Re: Looks like we got a preamp problem... - groverg 17:21:28 12/26/04 (10)
- Re: Looks like we got a preamp problem... - Vinnie 18:39:56 12/26/04 (4)
- Re: Looks like we got a preamp problem... - groverg 20:06:47 12/26/04 (3)
- Re: Looks like we got a preamp problem... - Vinnie 05:51:55 12/27/04 (2)
- Re: Looks like we got a preamp problem... - groverg 09:23:56 12/27/04 (1)
- Re: Looks like we got a preamp problem... - Vinnie 10:38:30 12/27/04 (0)
- Re: Looks like we got a preamp problem... - groverg 17:25:21 12/26/04 (4)
- Re: Looks like we DON"T have a preamp problem... - Vinnie 11:01:36 12/27/04 (2)
- Re: Looks like we DON"T have a preamp problem... - groverg 11:10:55 12/27/04 (1)
- Re: Looks like we DON"T have a preamp problem... - Vinnie 13:58:53 12/28/04 (0)
- Re: Looks like we got a preamp problem... - Vinnie 17:42:48 12/26/04 (0)
- And... - groverg 14:46:20 12/26/04 (2)
- Re: And... - Vinnie 15:29:54 12/26/04 (1)
- Re: And... - groverg 17:24:14 12/26/04 (0)
- Re: need to see a schematic - Vinnie 03:55:32 12/26/04 (0)
- Re: What is happening??? - Vinnie 04:50:03 12/25/04 (8)
- Re: What is happening??? - groverg 05:28:39 12/25/04 (7)
- Re: What is happening??? - Vinnie 07:10:15 12/25/04 (6)
- Re: What is happening??? - groverg 07:29:42 12/25/04 (5)
- Re: What is happening??? - Vinnie 07:38:41 12/25/04 (4)
- Re: What is happening??? - groverg 09:05:49 12/25/04 (3)
- Re: What is happening??? - Vinnie 12:29:09 12/25/04 (2)
- Re: What is happening??? - groverg 18:52:12 12/25/04 (0)
- Re: What is happening??? - groverg 18:47:13 12/25/04 (0)
- Re: What is happening??? - groverg 18:50:00 12/24/04 (0)
- Re: What is happening??? - Jim Doyle 17:06:18 12/24/04 (1)
- Re: What is happening??? - Vinnie 18:48:29 12/24/04 (0)
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