The "Blues" Tube
GT-12AY7 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.
Low-gain tube used in very early Fender amps. Great for harp or blues where softer, more compressed distortion at lower volumes is desired. Can sub for a 12AX7 to lower gain and produce a warmer tone.
Features
- 9-pin triode design
- Lowest gain preamp tube offered by Groove Tubes
- Lower gain than 12AT7 for warmer tone
- Medium/soft gain
- Made in Slovakia
The "Blues" Tube
GT-12AY7 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.
Low-gain tube used in very early Fender amps. Great for harp or blues where softer, more compressed distortion at lower volumes is desired. Can sub for a 12AX7 to lower gain and produce a warmer tone.
Features
- 9-pin triode design
- Lowest gain preamp tube offered by Groove Tubes
- Lower gain than 12AT7 for warmer tone
- Medium/soft gain
- Made in Slovakia
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