Groove Tubes GT-12AT7 Preamp Tube

Maximum quantity available reached.

Sku: 736021124004
GT-12AT7 tubes pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply among 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.

Durable design that can be used as a phase splitter or driver tube. Excellent in vibrato or reverb circuits where consistent, high output power is desired. Can sub for a 12AX7 to lower gain and produce a slightly warmer tone.


• 9-pin triode design
• Lower gain than 12AX7 for warmer tone
• Medium gain preamp tube offered by Groove Tubes
• Recommended in vibrato or reverb circuits
• Made in Slovakia