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. Can sub for a 12AX7 to lower gain and produce a slightly warmer tone. Great for harp or blues where softer, more compressed distortion at lower volumes is desired. Medium/soft gain.
- 9-pin triode design
- Lower gain than 12AX7 for warmer tone
- Great for harp or blues
- Limited warranty
Locate a Fender Authorized Dealer
Please wait while we search for any available online dealers.
All online dealers listed here will have the specified product in stock, ready for purchase.
Please check back later or close this window and click the "NOTIFY ME WHEN AVAILABLE" button to receive an email when this item is back in stock.