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21ALP4A

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ID = 26937
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 21ALP4A
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
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21alp4_a_television_receiver.png
21ALP4A: GE essential characteristics
Günter Kudicke
21alp4a_sock.png 21ALP4A: Essential Characteristics
Anonymous 15 Collector
21alp4a_data_a.png
21ALP4A: Original Sylvania Tubes 1959
Günter Kudicke
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Usage in Models 12= 1954 ; 1= 1955?? ; 160= 1955? ; 138= 1955 ; 3= 1956?? ; 942= 1956? ; 147= 1956 ; 90= 1957? ; 26= 1957 ; 4= 1958?? ; 6= 1958? ; 39= 1958 ; 5= 1959 ; 5= 1960?? ; 2= 1960 ; 3= 1961 ; 1= 1962 ; 1= 1963?? ; 5= 1965? ; 3= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1593
 
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Data Compliance More Information