Description Groove Tubes 5AR4-R The GT rectifier tube with the highest output power.Originally used in early, high-performance.Fender® amplifiers (40 watts or more) with tube rectifiers, also used on the Vox® AC30. 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.Great chiming tone with sweet, warm midrange excellent for Fender amps.
