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Groove Tubes® GT-5AR4 RECTIFIER TUBE

Groove Tubes® GT-5AR4 RECTIFIER TUBE

Every Groove Tubes product receives premium certification for microphonics, hum, noise floor, physical operation and characteristics. Specifically designed and tested for musical instrument amplification applications as noted.

Our highest-output rectifier tube. Originally used in early higher-powered Fender amps (40 watts or more) with tube rectifiers.