In Reply to: RE: Troubleshooting suggestions for a subwoofer plate amp? posted by Ewalaa on July 22, 2020 at 13:13:43:
It doesn't sound like DC to speakers is the problem. Regarding bad output stage transistor, it is possible, but you will usually see DC or very weak, much distorted lower bass. Can you post some pictures? One thing that I will look for are power supply test points. I tried to find info on it, one thing mentioned, it varies B+.
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Follow Ups
- RE: Troubleshooting suggestions for a subwoofer plate amp? - fredtr 07/22/2013:35:15 07/22/20 (11)
- RE: Troubleshooting suggestions for a subwoofer plate amp? - fredtr 13:47:54 07/22/20 (10)
- RE: Troubleshooting suggestions for a subwoofer plate amp? - Ewalaa 13:56:49 07/22/20 (9)
- RE: Amp photos - Ewalaa 14:36:37 07/22/20 (8)
- RE: Amp photos - fredtr 08:01:14 07/23/20 (0)
- RE: Voltage readings - Ewalaa 18:06:24 07/22/20 (6)
- RE: Voltage readings - fredtr 13:37:43 07/23/20 (3)
- RE: Voltage readings - Ewalaa 14:38:19 07/23/20 (2)
- RE: Voltage readings - fredtr 08:56:55 07/24/20 (1)
- RE: Voltage readings - Ewalaa 18:12:02 07/24/20 (0)
- RE: Voltage readings - mark.korda@myfairpoint.net 21:19:56 07/22/20 (1)
- RE: Voltage readings - Ewalaa 18:13:12 07/24/20 (0)