Aug 24, 2017 · I just learned that JJ is producing a 6SL7! This is big news for me because I use 6SL7s in every amp I build. I've been using the very good but expensive Tung Sol new …

Sep 21, 2010 · I'm finally getting around to retubing a '64 Ampeg Jet J-12-A. The amp sounds very good, but one or more tubes are noisy with certain notes or chords. At rehearsals it's no …

Nov 6, 2016 · BC Audio #8

Aug 18, 2020 · Hi all~ While i know there are probably NO direct drop-ins for tubes, except for the 12**7 family, and that different rectifiers, if acceptable to the circuit, can change the amp's …

Nov 2, 2016 · This RCA has no model codes or etched glass codes that I can see. I do see the MA on the base. This is from a 50s Magnatone MOTS 8" 6v6/5Y3 amp, model A-646. Not a …

Mar 25, 2017 · Frenzel. You can order up most of their amps when built with the "RETRO 6SL7 PREAMP UPGRADE - replaces 12AX7 preamp tubes with vintage 6SL7 "big bottle" tubes for …

Oct 5, 2017 · Got a matched set of two 6V6 RCA NOS tubes for half the price or less of equivalent glass versions. They are not microphonic in any way - (some propaganda would …

Nov 24, 2023 · Sometimes, $385 gets you a cool vintage amp. In this case, it’s an Ampeg B-12XT. I’ve been lusting after a B-15NF at my local store, and wondering if I could find the …

Dec 27, 2016 · I've ended up with a small collection of vintage Ampegs. I have several tube configurations - one with 12AX7s, several with 6SL7s, most with 6V6 outputs. I currently have …

Jul 15, 2015 · The tolex is a bit rough around the edges on this early R12R Reverb Rocket...but the workings are in excellent condition. It's been re-capped and while it came with the original …