Tube Amps / Music Electronics
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|11/30/2000 3:18 AM|
|Paul Frischmann||I think I know what's wrong with my Bassman...help|
I've been posting about a problem I've had with my
5F6-A clone. I appreciate all the help but I
believe I've found the problem.
For no reason my amp would get louder and then quieter. I've traced the problem to the Bias Pot.
From what I can see the bias pot is a super small
plastic thing attached to a resistor and wedged
between two electrolytic caps 10uf@150vDC.
When I tap it, I can watch the MA on pin 8 change
dramatically (with my DMM). What I mean is, I can
tap on the pot and it will stick in a quieter mode, I lose all my bass and the static wattage dissipation drops about 5 watts per tube.
How do I fix it?
|Chris B My suggestion is to replace the bia... -- 11/30/2000 3:59 PM|