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7DP4

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ID = 8928
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 7DP4

Base Duodecal (12-pin), B12A (not glass) (Codex=sp)
Filament Vf 6.3 Volts / If 0.6 Ampere / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

7dp4_sock.png 7DP4: Essential Characteristics
Anonymous 15 Collector


Just Qvigstad
rm_7dp4_01.png
7DP4: Manufacturer paper
Tomasz Szczesniak

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Usage in Models 1= 1946

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

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