Tube Amp Archive

Update,
removed my tone circuit and went straight to the master volume from the first plate
still weird RF noise

used shielded cable on both the input grids and now we're cooking w/ gas. Amp is MUCH quieter. I'll begin to re-add the tone controls and see where i get.
Thanks y'all

Howdy y'all Sorry, I was on vacation and barely got back to troubleshooting. Thanks for the suggestions. I did the cap from plate to cathode trick. No luck. Moved from a carbon to metal film resistor, still no luck. I sort of made the problem worse. Much worse. But maybe that's a good thing. I think...

Howdy y'all. long time reader, first time writer. Just got this bad boy wired up sans reverb circuit. All voltages are well within 10% of Aaron's three node schematic. Most values are on the money w/ the exception of one half of my phase inverter circuit being 10 volts low. I figured that was pretty...