Groove Tubes GT-12AT7 Select

Durable phase splitter or driver tube. Excellent in vibrato or reverb circuits where consistent, high output power is desired.

Preamp Tubes

These pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best 9-pin triode preamp tubes you can buy — specifically designed and tested for musical instrument amplification and standard equipment on Fender® amps. Outstanding and consistent

performance for mixing and matching to get a signature tone from your amp.