Tube Amp Archive

Got one recently.... kind of like it the way it is.... but I did want a front panel input... so I removed the rotary switch and all the other inputs except the MIC ... Not i'm into motorboating territory. I tried connecting the MIC input directly to pin 5 of the 6EU7.... without changing anything el...

Hey Wayne, Greg here from Recycled Sound/REVENGE Amps. I noticed your posts here. I am having a little trouble with what the BIG DEAL is with an amp made in China? Guess if it's the USA thing I understand. On the other hand if it's something else...... Anyway, thought I'd pass along a little info: F...

So if I am pulling the 6.3v off of the same tube (V1) I am trying to switch -that could be a part of the problem? This PT is artificially center tapped thru 2 - 100 ohm resistors. and now that you mention it - I am wondering how well I can make this work as I want to leave the front panel Push/Pull ...

I am using a front panel Push/Pull to deactivate the first gain stage of 12AX7. When pulled it passes the input on to the 2nd gain stage, nulling the 1st. It is very effective and useful. I have tried Webers relay to make this footswitchable and while it switches just fine (I love that 6.3v power su...