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RCA872A

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ID = 7128
       
Country:
Germany
Brand: AEG (Radios) Allg.Elektricitäts-Ges.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to RCA872A
Similar Tubes
Normally replaceable-slightly different:
  872A

Base Jumbo 4-pin bayonet (1918) (Codex=sp) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 6.5 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 217 x 58 mm / x 8.54 x 2.28 inch
Weight 225 g / 7.94 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   Also 1950 edition

872_a_schema.png
RCA872A: Raytheon Engineering Service
Franz Scharner

rca872a_sock.png RCA872A: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
872_a_taylortube.png
RCA872A: Taylor Tubes
Franz Scharner

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