Amplifier Tube. Made by Groove Tubes. (MC.GT12AX7R)
Most pros choose Groove Tube! The Groove Tube Process dramatically improves sustain, harmonic balance and tube life span. New tube from Russia. Slightly brighter and lower gain, quicker compression than GT-12AX7. Great for most Fenders, may not be well suited for high gain Fender type amps (such as Boogie). Browse Similar Items in: Guitar Amplifier Parts
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