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21EP4A

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ID = 27014
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 21EP4A
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
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21ep4a_sock.png 21EP4A: Essential Characteristics
Anonymous 15 Collector
usa_ge_21ep4a_data1.png
21EP4A: GE Technical Manual 1954
Bernhard Nagel
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Usage in Models 1= 1950?? ; 5= 1952? ; 75= 1953 ; 1= 1954 ; 2= 1955?? ; 14= 1955? ; 3= 1955 ; 1= 1957?? ; 1= 1958?? ; 3= 1959 ; 1= 1962??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):107
 
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