Premium directly heated heavy duty rectifier Diode. Helps extend the life of the other valves in the amplifier by allowing them to heat up before plate voltage is applied. Tung-Sol tubes reflect the best in vintage construction with unsurpassed tone and reliability.
FEATURES
- Low internal voltage drop & controlled heater warm up time
- Excellent choice for both Hifi and instrument amplification
- Replacement/upgrade for all 5AR4/GZ34 types