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restoring modified twin reverb w/master vol

8/17/2000 1:26 PM
restoring modified twin reverb w/master vol
A friend has a Fender twin reverb with  
master volume and hum balance. It had been  
modified and he wants it demotified to  
original circuit. The amp has 7 preamp  
tubes and the 4 6L6's. I can not find  
a schematic for this 135 watt amp that  
includes that extra preamp tube. Is  
that part of the modification? The hum  
balance is connected to this tube.

Don Symes Have you looked at the 135W UL twin... -- 8/17/2000 5:27 PM