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ID = 25228
United States of America (USA)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 6X4W
Similar Tubes
Normally replaceable-slightly different:
Other class quality (otherwise equal):
  546-A ; 6X4 ; 6X4WS

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC
Information source Tube Lore (II)   p. 51,67 & 151

6x4basediagram~~12.png 6X4W: 6X4 GE Data Sheet 5-58
Vitor Oliveira

More ...

Just Qvigstad
6X4W: Raytheon Manual
Heinz Höger

Usage in Models 1= 1950?? ; 1= 1955?? ; 1= 1955? ; 1= 1958? ; 2= 1960?? ; 2= 1961? ; 1= 1965 ; 1= 1968?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of



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