Tube Amps / Music Electronics
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|previous: ken at his other job From what I understand, you're righ... -- 11/4/1999 12:56 AM||View Thread|
|11/4/1999 4:14 PM|
|Dave Stork||Re: Rectifier diode recovery time/ Tone Change|
It's a good idea to use some small value (less than 1uF) bypass caps in the power supply, anyway, to keep its impedance low at high frequencies as well as at AF. Just because most guitar amp builders don't do it, doesn't mean it's not a good idea The best place for these bypass caps is right at the points where the B+ meets the plate resistors for the various stages, to eliminate wiring inductance at radio frequencies. Again, RF is something most builders don't think about, but most tubes have at least some gain into the low and medium radiofrequencies. The 12AT7 is usable up into VHF!