Tube Amp Archive

I read all the cap discussion here, and feel thankful for the forum. In a recent '97 circuit dumble build I did (with reverb added) instead of a tone stack for the OD channel, I put in a 6 position switch that changed the coupling cap to the output. I put in mallory 150s, Orange drops, and ceramics....

Guys, thanks for all the lucid and rapid responses, I'll have my friend read them and see if he's talked out of it. I used the switch position to go cathode biased on my clone (well on a couple I've done it). It makes a difference that's for sure, I think it's more useful on the clean side, a bit to...

Hi all, my first posting, have been building amps for about 7 years I'm looking for guidance on adding a half power switch in a friends Dumble clone. I used the 1977 schematic, it came out nice, except it was too bassy at higher volumes, so I lowered the coupling caps after the clean and dirty stage...