Chinese Genalex KT66 reissue. Excellent in guitar amps (described as Best Currently Produced by Rivera Amps), nice agressive tone in Marshalls. Very neutral and smooth voicing in Audio amps.

This tube is made by Shuguang, and is sold under different labels (Valve Art, Sino, etc.)

Price is for a matching quad of Chinese KT66.

This is a Genalex Gold Lion KT66 re-issue made in Russia. This tube boasts the same form factor as Chinese or Groove Tubes KT66. Gold Lion KT66 is built to last with durable and high quality construction.

In guitar amps, the Gold Lion KT66 has the roar that's expected of KT66 tube types, but it carries it to bigger volume really well. On audio amps, KT66 Gold Lion is articulate and is a step above other KT66/6L6GC types in sound stage imaging.

Price is for a matched quad (4 tubes) of Genalex Gold Lion KT66

Russian clone of KT66 from Groove Tubes. Nice warm tone with full bass in guitar amps.

These tubes are matched by Groove Tubes, but we re-match them ourselves for a closer match.

With heavy duty glass and solid construction JJ KT66 provides balanced tone with good amounts of midrange in guitar amplifier.
Price is for a matched pair (two tubes).

Price is for a matched quad (four tubes).

TungSol Re-Issue KT66 is built in Russia. It has extra large glass bottle for high power dissipation and full smooth tone.

Price is for a matched quad (4 tubes) of TungSol KT66 New Issue.