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1803-P4

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ID = 6788
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  PICTURE TUBE general 
Identical to 1803-P4

Base 6-Pin-Base U6A, old, USA (Codex=K)
Filament Vf 2.5 Volts
Information source Taschenbuch zum Röhren-Codex 1948/49   

1803p4_sock.png 1803-P4: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
1803_p4_rca_hb3_p1_data1.png
1803-P4: RCA HB3
Adrian Riesen

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Usage in Models 1= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 
1803_p4.png

1803-P4
 

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