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

Groove Tubes® GT-12AY7 S Select (Single)

Model #: 5550112395
$34.99

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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
Groove Tubes® GT-12AY7 S Select (Single)
$34.99
$34.99

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