Volume drop after warm-up

Let's talk guitar amplfiers

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Re: Volume drop after warm-up

Postby (johnallg) » Wed Nov 28, 2012 9:25 pm

cjj wrote:Yeah, a bias tune up from time to time is a good thing to do. I'm guessing that there's probably a pot or two in there to make the adjustment, and those being electro-mechanical devices can build up a bit of dirt/corrosion in the wiper contact. This can cause their setting value to go off a bit. Moving the contact around a bit usually gets 'em cleaned up, but without actually measuring things, it's pretty difficult to know if you wiggled 'em and got them back to the right spot...

Or if they opened up with the movement.
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Re: Volume drop after warm-up

Postby (cjj) » Wed Nov 28, 2012 10:01 pm

Well, yeah, that can happen too...
I have NO idea what to do with those skinny stringed things... I'm just a bass player...
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