radiophonic Posted August 10, 2020 Share Posted August 10, 2020 The guitarist in my band has a Sub 5 for demos and while I'm happy for him not to be able to influence the bass parts too early in the process, I do feel sorry for him. His instrument has started making a noise like a very quiet broken bitcrusher - spitty and gated, no top end at all and really quiet. He did send me a wav but it's embedded in a facebook message and unfortunately I can't download it. It's not the battery. All the wiring is intact and there is nothing visibly wrong with the pre-amp board. He's had it from new and never gigged it, so physical damage is unlikely. He needed to max out the gain on his interface even to record a sound, so the output is very weak. My guess is a cap has gone bad - but it didn't slowly deteriorate, it just started doing it from cold one day. Anyone encountered anything similar and know where to start? Quote Link to comment Share on other sites More sharing options...
itu Posted August 10, 2020 Share Posted August 10, 2020 I would still check the battery. If you have a DMM, is the voltage present at the preamp? Is the output jack loose? Any wires loose, battery, pickup, ground etc. Low voltage capacitors are very seldom an issue on a unit like the preamp. 1 Quote Link to comment Share on other sites More sharing options...
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