![]() I truned the mic gain way up louder than I would normally use, an dafter I captured the sound I boosted the signal in reaper by +11dB. The before was before I recapped it, but they didn't seem to make any difference, so the change was almost all due to the wire jumper for the filament that I moved.īoth signals were recorded with the mic in the same spot in front of the amp. I made a recording of the amp to compare with the before sound. Time to enjoy the amp, and quit working on it. But I think I will go ahead and replace the reverb tank and glue down the caps, and call it a success. I need to do a little better job with my heater wire jumper. It may not make a difference, but then again it might. So those faster diodes should be here tomorrow, and what the heck it won't hurt anything to put them in. I made a recording of it before I started, so I will record it again to compare the two. To the point that I don't think it will bother me. The hum is still there, but greatly diminished. So I removed the, um temporary troubleshooting aid, and guess what the amp works just fine. First thought was, "what idiot put a short on those two resistors?" Second thought was, "Doh!" So I was probing around tracing the signal back through the preamp section, and I found a couple of resistors that some idiot put a shorting wire jumper between it and the resistor next to it. it sounded good until I tried to turn it up, then it would get this rattling going on and heavy distortion? The clean channel wasn't working right at all, and was intermittent. ![]()
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