Vintage Tube Tone
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.
- Low-output rectifier tube originally used in early low-power Fender amps with tube rectifiers (Champ, Princeton and Deluxe)
- May also substitute for a 5AR4 or 5U4 for lower output levels