topcat3355 Posted January 6, 2015 Share Posted January 6, 2015 Hi guys! I've got a bit of a dilemma. The amp in question is a Warwick Pro Fet 5.1 which has a harmonic distorion whatever volume setting. The gain/eq etc aren't relevant because I've tried plugging in to the return of the fx loop with the same issue. I've flipped the ground switch back and forth, tape down anything that could rattle, moved rooms, different leads/cabs/active/passive... It's not a huge amount of distortion, it's just a small amount that's enough to be noticeable and it bugs me. Any ideas what it could be? I'd read that it could be the output transistor biasing, or could it be the power supply? [size=4] [/size] Quote Link to comment Share on other sites More sharing options...
MoonBassAlpha Posted January 14, 2015 Share Posted January 14, 2015 If the power supply is low on one side it will clip on one half of the waveform only. Depending on how low that side is may give quite a subtle distortion. I'm sure if one side had completely gone, the distortion would be quite noticable. Quote Link to comment Share on other sites More sharing options...
topcat3355 Posted September 14, 2015 Author Share Posted September 14, 2015 Turned out to be a bad cone. It would resonate since the other cab was on top of it so the crackling coil would still make noise. Weird huh? Quote Link to comment Share on other sites More sharing options...
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