volume control way out of sorts

Express, Liverpool, Rocket, Dirty Little Monster, etc.

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d2camero
Posts: 72
Joined: Sat Oct 14, 2006 8:35 pm
Location: Canada West Coast

volume control way out of sorts

Post by d2camero »

Just finished my liverpool build (same preamp as the express). I am having a problem with the volume control. When volume is down I can hear just a little bit, but any subtle change in the control and BAM its up to 8. When I crank the volume the amp jumps up to about 12.l

I have checked the circuit a dozen times. The pot is a 1M A, and measures fine (in circuit resistance is 500k). The in circuit measurement of the wipre shows that is progressing logarithmically as I turn t up.

any ideas?

thanks
d1
ampdoc1
Posts: 669
Joined: Sat Feb 26, 2005 12:42 am
Location: Tulsa, Oklahoma

Re: volume control way out of sorts

Post by ampdoc1 »

I'd replace the pot. I had one recently that measured OK, but was intermittent in use.

ampdoc
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