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From Our Research Team:

Great-sounding, Reliable 6L6 Power Tubes!

Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Tubes are non-returnable.

Groove Tubes has been manufacturing, importing, and grading quality power tubes for two decades. No stranger to Sweetwater, Groove Tubes founder and energy source Aspen Pittman has paid us numerous informative (and always entertaining) visits through the years. His tireless pursuit of perfect tube tone has resulted in Groove Tubes' reputation for consistency and premium quality. Want proof? Fender tube amps now include Groove Tubes as standard equipment, and true tube aficianados worldwide swear by the tubes and pro audio products Groove Tubes makes. For premium tube tone, choose Groove Tubes!

The Groove Tubes GT-6L6R Power Tubes Duet gives you what may just be the most reliable of the currently made tubes, with slightly less power and a more aggressive edge when pushed into distortion. Russian made, these tubes are the same as stock 5881 power tubes, but they're specially matched by Groove Tubes, resulting in a better sound and higher reliability. Fender uses the GT-6L6R in their non-Custom Shop tube amps, and for good reason: They sound great and they're very dependable! Available in pairs.

Specification Detail Manufacturer Part Number GT-6L6-RD-M_113515