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21YP4A

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ID = 27066
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 21YP4A

Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
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21yp4a_sock.png 21YP4A: Essential Characteristics
Anonymous 15 Collector

i_fivre_21yp4a_caratteristiche.png
21YP4A: My schematic colection.
Pier Antonio Aluffi

Usage in Models 1= 1954? ; 44= 1954 ; 1= 1955?? ; 47= 1955? ; 6= 1955 ; 1= 1956?? ; 53= 1956? ; 2= 1956 ; 1= 1957 ; 1= 1958?? ; 1= 1959

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):158
 

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