Jun 5, 2021 · Next, the expensive Mullard 12AX7 long plate is also very low distortion and can be a little polite, perhaps a little dark sounding, but ultra clear sounding. If your amp is a bit …

Feb 16, 2024 · In the end your wallet will be lighter, and the overall improvement compared the newer Russian made Genalex Gold Lion Gold Pin B759/ECC83/12AX7's will be a …

Aug 3, 2018 · The Mullard 12AX7 long plate square getter is the best I ever heard. Seller stated Telefunken 803s are not as good at $1K+ each. A tube I thought is better than the 3rd place …

Mar 24, 2017 · 12AX7 have an amplification factor (mu) of 100, which is almost as high as it gets in audio vacuum tubes. The miniature tube format replaced the larger octal 6SL7 that was …

Jan 1, 2019 · -3 sets of Matsushita 12AX7/12AU7-2 sets of Hitachi 7025/12AX7/12AU7-2 sets of TJ Full Music 12AX7/12AU7-1 set of RFT ECC83 plus 5 RFT 12AU7 (the RFT 12AX7/12AU7 …

Mar 16, 2015 · Telefunken 12ax7 smooth plate- Clean and neutral. Mullard 12ax7 long plate- Warm and the classic tube sound. Mullard 12ax7 short plate- Less warm and sometimes even …

Feb 5, 2018 · For some reason a Telefunken 12AX7 ribbed plate sounds better in a Pioneer SX-34. The plate voltage is around 100 volts vs the RCA that operates at 200+ volts in other gear. …

Jul 24, 2018 · Tung Sol 12ax7 New Production - around $45 for the trio - these get a lot of reviews, a lot of happy customers.... some opt for $20 more for the Gold pins, but in the Tung …

Jul 20, 2012 · I was researching vintage 12AX7 tubes, and a pattern emerged - over a variety of brands and countries of origin, "long plates" are more highly sought after and command a …

Jan 29, 2018 · Further, the operating points are quite different with the 5755 passing just .150mA with Ep = 110V and Eg = -.95V compared to the 12AX7 passing about .5mA under the same …