Dec 26, 2007 · In March 2007, upgraded stock Sovtek 6550 power tubes to JJ Tesla KT88s. The Sovteks had lasted 5 yrs or so (and still have some life left). A KT88 (JoLida 502B v8 position) …

Oct 7, 2013 · If you are on a budget and can't go to the Tung Sol KT-120 tubes I would say go for JJ KT88 Blue Glass tubes. In my experience with these tubes the sound and tone is clean but …

May 24, 2001 · Just that our tastes, likes, and preferences may be different. The JJ/Tesla/Teslovak is a more polite KT88 in my experience. That is why I prefer it. Often, I like a …

Nov 17, 2020 · I won't be chasing NOS tubes. I'd like your experience with Gelenlex Gold Lion, TungSol, Mullard, Telefunken, or?, etc. of current manufacture. The amp uses KT88, 12ax7, …

Feb 23, 2019 · So the “ KT” means kinked tetrode , this was a design change to circumvent the original patent. I have NOS Tung Sol 6550 ( 3 hole ) and SED Winged C 6550’s . I have NOS …

May 23, 2018 · guys- trying a set of Sylvania 6sn7 bad boys now need to know what is the best kt88 to try- my amps came with the Mullard brand- does the KT88 effect the sound as much as …

May 20, 2019 · I have settled on the Shuguang KT88-T tubes in my KT88 tube amp (Don Sachs ~74 watts). I also like the Shuguang Treasure KT88-Z tubes but they are a bit muddled on the …

Feb 4, 2023 · The JJ KT88 is a good tube, but in my KT88 amp it sounded just a little unnatural with emphasis of certain parts of the frequency spectrum. Very subtle, but designed to sound …

Mar 12, 2000 · E34L is a higher output version of EL34 from JJ. Otis is correct about them. Use these if you are searching for the "classic" tube sound. Warm, euphonic, less control of the …

Feb 4, 2023 · The JJ KT88 is a good tube, but in my KT88 amp it sounded just a little unnatural with emphasis of certain parts of the frequency spectrum. Very subtle, but designed to sound …