Convert Marshall 100watt1959 superlead EL34 to KT88

[cluster]

I'm sure this must have been covered here at some point but I just need some confirmation.

I have 12000 series super lead that I build way...

[Vengeance078]

I have a peavey XXX I just acquired and I am trying to do a few mods to it. First I am wanting to change the screen grid resistors in it and bias it with...

[Shawnobi]

Considering a tube change on my 70w Ultralinear Pro Reverb.

I've heard talk of replacing the 6L6's with KT66's, 77's or even KT88's. Can anyone...

[priesty]

I've read a bit on this forum and others about potentially using the 1.9K Hammond 1650T output transformer as a OT for a KT88/6550 pair.

I...

[ELPisthebest]

I am a newbie to tube amps.... I'm building my first from Ceriatone. I havent made up my mind on which one yet though. I'm looking at a JTM45/100 "experianced"...

[priesty]

Finished my second "PriestyAMP" project, a single ended amp based on a Blackface Champ aa764. It has the following design features I incorporated:...