Let's Get Technical > Power Amp Tech

wierd B200s problem

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rnolan:
Maybe vol pot ? or in/out jacks ? (@ MikeB what was the issue with yours recently ?)

MikeB:
Blown speaker!  Or was there something else i've forgotten?... Oh, yeah there was a dodgy output jack.  It made a big difference.  If you are changing these, make sure you use jacks that don't earth against the chassis.

rnolan:
Hey Mike, did you ever have issues with the pots ?

MikeB:
Yeah. One of them is a bit crackly, but only when I'm actually adjusting it, so I've been able to put off doing anything about it.

Systematic Chaos:
I'd replace them to be on the safe side. Chances are a crackly pot can fail with no further warning ( had that on my 2:90 once, vol jumps and so on).
I used Bourns pots and never had any issues since.....

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