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21YP4

Information - Help 
ID = 27065
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 21YP4

Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
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21yp4_sock.png
21YP4: Essential Characteristics
Anonymous 15 Collector

 

Usage in Models 98= 1953 ; 1= 1954? ; 63= 1954 ; 12= 1955?? ; 7= 1955 ; 3= 1959

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):184

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