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AUDIO VALVES: 5R4GY 5R4GYS CV717 RECTIFIER

These are the latest discovery for audiophile applications with many users claiming a spacious airy sound when compared to the 5U4G  The 5R4GY is a high voltage power rectifier and was designed for transmitter use. It has a rating of 180 Watts. The maximum reservoir capacitor is specified at 4 µF and the rectifier needs a series resistance of 250 Ω to limit peak current.

Indeed this lovely rectifier has found usage in such classic esoteric designs as:-  

Cary CAD300SE Signature,

Emotive Audio Sira linestage

Woo Audio WA22

World Audio Design 300B PSE,
 

Here are a few vital statistics for you to match to your requirements. 

5R4GY=5V Filament @ 2A,

PIV=2800V @ Imax=150ma,

PIV=2400V @ Imax=175ma,

PIV=2100V @ Imax=250ma

Tube V drop = 67V @ 250mA DC



5R4GY CV717 

5R4GY, BRIMAR, 3 RIBBED PLATE, BROWN BASE WITH WHITE PRINT, CV717, 5R4G

5R4GY, BRIMAR, 3 RIBBED PLATE, BROWN BASE WITH WHITE PRINT, CV717, 5R4G
5R4GY, ELPICO, BLACK BASE, SMOOTH CHARCOAL ANODES, GREEN PRINT, DOUBLE D GETTER, CTION

5R4GY, ELPICO, BLACK BASE, SMOOTH CHARCOAL ANODES, GREEN PRINT, DOUBLE D GETTER, CTION
5R4GY, RCA, BROWN BASE, SMOOTH ANODE, JUNE 1949 PRODUCTION, 0-26 DATE CODE,

5R4GY, RCA, BROWN BASE, SMOOTH ANODE, JUNE 1949 PRODUCTION, 0-26 DATE CODE,
5R4GY, RCA, BROWN BASE, SMOOTH ANODE, JUNE 1953 PRODUCTION

5R4GY, RCA, BROWN BASE, SMOOTH ANODE, JUNE 1953 PRODUCTION
5R4GYB RCA HARRISON T9 ENVELOPE

5R4GYB RCA HARRISON T9 ENVELOPE
5R4WGA, CHATHAM ELECTRONICS, JAN-CAHG, BLACK LADDER ANODE,

5R4WGA, CHATHAM ELECTRONICS, JAN-CAHG, BLACK LADDER ANODE,
6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5

6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5
6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5

6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5
6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5

6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5
6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5

6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5
6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5

6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5
6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5

6X5GT, BRIMAR, BLACK BASE, ORANGE PRINT 6X5
6X5GT, BRIMAR, BLACK BASE, WHITE PRINT 6X5

6X5GT, BRIMAR, BLACK BASE, WHITE PRINT 6X5
6X5GT, BRIMAR, BLACK BASE, WHITE PRINT, 1H8 432, AUGUST 1958 PRODUCTION 6X5

6X5GT, BRIMAR, BLACK BASE, WHITE PRINT, 1H8 432, AUGUST 1958 PRODUCTION 6X5
6X5GT, MULLARD, BLACK BASE, YELLOW PRINT, BROKEN SPIGOT, 6X5

6X5GT, MULLARD, BLACK BASE, YELLOW PRINT, BROKEN SPIGOT, 6X5
AV/5R4, STC, SOLID STATE, 5R4 RECTIFIER REPLACEMENT 1960S

AV/5R4, STC, SOLID STATE, 5R4 RECTIFIER REPLACEMENT 1960S
CV717, STC, BROWN BASE, 5 RIB CHARCOAL ANODE, OLDWAY OCTOBER 1958 PRODUCTION, 5R4G

CV717, STC, BROWN BASE, 5 RIB CHARCOAL ANODE, OLDWAY OCTOBER 1958 PRODUCTION, 5R4G
EABC80, MULLARD, NEW BOXED, 6AK8, 6LD12, 6T8, DH719,

EABC80, MULLARD, NEW BOXED, 6AK8, 6LD12, 6T8, DH719,
EABC80, MULLARD, TESTED, 6AK8, 6LD12, 6T8, DH719,

EABC80, MULLARD, TESTED, 6AK8, 6LD12, 6T8, DH719,