Tungsol 12AX7 Tube

The 12AX7 Tungsol has high gain, ultralow microphonics and superb linearity. The sound of this tube is full and musical.

Groove Tube Substi-Tube 1 6SJ7 to 12AX7 Octal to 9-Pin Adaptor

Groove Tubes Substi-Tubes allow the replacement of octal-type preamp tubes with the more common and higher quality 9-pin miniatures by properly mating a female 9-pin socket to an 8-pin plug. Includes GT-12AX7 tube.

Groove Tube Gold Series GT-12AX7-C Preamp Tube

The ever-popular and sorely missed Chinese 12AX7 is finally back! This tube has a warm, fat, old-style tone favored by blues players and the classic rock crowd.