Location of ecc83 tube on Marshall 8080 valvestate 80v?

Posted by admin in Wednesday, September 30th 2009

Steven P nb tx asked: Is it behind the silver metal box cover on the rear. This amp has a tube in the preamp for the overdrive. You can’t see through into the back of the electronics to tell if the tube is lighting up and I want to check it out.Check TRW […]

Can I put a 12AT7 tube in my amp in place of a 12AU7?

Posted by admin in Tuesday, September 29th 2009

Topics: Uncategorized

clownpenis38 asked: I have a 5-watt tube amp with an EL84 power amp tube and a 12AX7 and a 12AU7 preamp tube complement. I’d like to maybe increase the gain a little bit, and I’ve read on (I believe) tubedepot.com that I can substitute a 12AV7 (?) for the 12AU7 to increase the gain […]

Tube Question?(for guitar amp)?

Posted by admin in Monday, September 28th 2009

Topics: Rock and Pop

Derek B asked: hey i have a jcm 800 and i’m just getting into all the tube stuff. i want to get new tubes. i think i want groove EL34’s. but i dont know what kind of preamp tubes to get…should i get 12ax7’s? i want to have a good rock sound…(Van Halen, and so […]