5R4GY FIVRE CV717 274A and B TUBE PAIR OF FULL WAVE RECTIFIER HIGH QUALITY NOS/NIB

Undoubtedly, in its category, the 5R4GY was and is among the best rectifier valves ever produced. In particular this FIVRE NOS/NIB, genuine produced in Italy for military supply (code "21 ST") and therefore with a high standard of selection and quality; they are admirable! Absolutely flawless workmanship with large dark gray plates, mica locking on top and spring suspended filament. Highly recommended for power supply stages in Audio circuits.

EQUIVALENT: 5R4 = 5R4G = CV717 = 5R4G = 5R4GYA = 5R4GYB = 5R4WGY = CV684 = 5R4GYS - REPLACEABLE: 274A and B

Some of the equipment on which this valve is recommended to be used:

- Audio Note OTO LINE SE

- Audio Note QUEST

- Audio Note ONGAKU KENSEI

- Audio Note JINRO SHOCHU

- Audio Note TOMEI KENSEI

- Audio Note EMPRESS

- Audio Note GINREI

- World Audio Design 300B PSE

- Cary CAD300SE Signature

- Emotive Audio Sira linestage 

- Woo Audio WA22

- RCA BA-6A compressor

- Fender Vibro-Champ 1965

- ModWright Sony

- SuperZen

- Tori Jr 

- Rachael