Tube Amp Archive

Thanks for the replies. This is my first post and its nice to see such helpful folks. For the schematic I used the "5E3 with VVR" attached below. I used the schem of the vvr from the 18 watt lite. It drops voltage for the whole amp, ala the 5e3 schem. I used a STP9NK9OZ for the MOSFET, mica insulate...

Can someone post a video or link of a 5E3 playing with a "farting out" sound, and maybe one with a demo of a VVR? I'm asking because I built a 5E3 from scratch, and I'm having a weird volume dropout when playing it with a humbucker guitar. I'm thinking this must be the farting out, but it sounds lik...