Single Ended EL84 tube amp plate voltage thoughts...

[kevtronic]

It's been a while since I've been here, but I find this is the place to go when your wondering about an amp
What brings me here today is an SE amp...

[jeffects]

I just overhauled a vintage Fender Princeton Reverb (not a reissue) that was found in an attic and hadn't been operated in years, and of course replaced all...

[Aloha_Mark]

This is yielding a low reading of gm for the first triode section (P1) but a strong reading for the second section (P2). The 12AX7 tubes (both NOS and new)...

[Hella1hella]

Has anyone tried Cifte 12AU7 tubes? Or anything from Cifte in general? I have a lil night train and want to experiment with some other tubes. I saw that The...

[arush84]

I'm hoping someone can help advise whether any circuit mods are necessary when replacing a 12AX7 gain stage with a 12AU7.

The mod would involve...

[tubeFrank]

I have Palomino V50 (made by Crate), which has been a decent (and loud) amp, but I've never been thrilled with the sound I got from either channel, no matter...

[Muskratt]

I have read on the Bugeras 333xl tubes that they are propriatory per socket.
I have four 12AX7 Sockets all Bugera's Premium Tubes

1=12AX7A...

[hearforever]

I found this Pentron MM4 microphone mixer and would like to try using it for recording. It has 4 channels each going through one section of a 12ax7. I thought...

[doombilly]

ok, let me start off by professing my ignorance of most in depth electronic gadgetry. I know enough to be dangerous.

My wife/bassist plays...