Fender Groove Tubes GT-12AT7 Durable Phase Splitter/Driver Tube for Preamplifier
GT-12AT7 tubes 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.
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.
Features:
- 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
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Fender Groove Tubes GT-12AT7 Durable Phase Splitter/Driver Tube for Preamplifier
Fender Groove Tubes GT-12AT7 Durable Phase Splitter/Driver Tube for Preamplifier
GT-12AT7 tubes 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.
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.
Features:
- 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
Original: $160.00
-70%$160.00
$48.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
GT-12AT7 tubes 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.
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.
Features:
- 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















