5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...
5R4GY FIVRE CV717 274A and B TUBE...

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

N5R4GYFIN
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VERY NICE and quite RARE PAIR 5R4GY FIVRE double diode rectifier (full wave) in power supply stage for amplification!

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Description

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

Product Details

Brand / Manufacture / Plant
FIVRE / Italy
Model / Type
5R4GY / Double Diode Rectifier
Code / date manufacturing
21ST - 158 - 145659 (May vary) / 14 May 1954
Conditions
NOS/NIB - NEW - NEVER USED
Physical characteristics / Relevances
DARK-grey anode, Double DD-square getter, SPRING heaters suspensions
TESTS (Detected Values) / Data Sheet Reference
REFERENCE 5R4: (Ia) 47.5 mA - 100% (METRIX manual parameters)
TUBE1: 48.5 - 48.5 mA - 102% e 102%
TUBE2: 48.5 - 48.5 mA - 102% e 102%
Usage
Power supply stage
Recommended for
AUDIO , HI-FI set , Radio , HAM Radio
STARS / RATE (Rating from 1 to 5)
5
Note
SEALED PRODUCT! Some "sample" photos
2 Items

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