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330A

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ID = 8970
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  CRT (cathode ray tube, picture tube) 
Identical to 330A

Filament Vf 5 Volts / If 1.65 Ampere
Description 3-trace, 3 beams, 12 deflection plates 7" CRT. Electrostatic focus and deflection; 1.5KV first anode, 5KV accelerator. 'A' suffix stays for P1 phosphor; also 'B' suffix for P7, 'C' for P5 or P11, blue high writing speed. Western Electric only known manufacturer. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original prospect or advert   Electronics, Jan 1938

330a.png 330A: Franzis Tachenbuch 1965
Karlheinz Fischer

 

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