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21AUP4A

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ID = 26954
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 21AUP4A

Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
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21aup4a_sock.png 21AUP4A: Essential Characteristics
Anonymous 15 Collector

i_fivre_21aup4a_caratteristiche.png
21AUP4A: My schematic collection.
Pier Antonio Aluffi

Usage in Models 2= 1954? ; 18= 1954 ; 50= 1955? ; 14= 1956?? ; 335= 1956? ; 4= 1956 ; 1= 1957?? ; 17= 1957? ; 1= 1958?? ; 2= 1958? ; 2= 1959? ; 3= 1959 ; 1= 1963??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):450
 

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