Tube Amps / Music Electronics
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|previous: Keith This latest project is basically to... -- 7/4/2000 3:55 PM||View Thread|
|7/4/2000 5:01 PM|
|Bruce||Re: Ampeg R-12-R clone... nitpicking q's|
Yes, it is there as a filament hum reduction circuit.
Keep it there.
That is DC voltage not AC voltage and as long as the filaments are not grounded anywhere, it is correct.
I run the center tap of my filament supply at close 30vdc from a seperate + supply on fixed biased amps.
Measure AC from pin 2 to 7 and you should see just the 6.3vac.