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52

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ID = 12406
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Grid Power Amplifier   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to 52 = ER52
Similar Tubes
Normally replaceable-slightly different:
  6A4 ; LA
First year 1933 Radios von gestern, 2. Auflage
First Source (s)
1933 : -- Collector info (Sammler)

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ho)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Direct / Parallel / series AC/DC
Description

Made with a "4 pillar" element structure tube by Raytheon. Other US manufacturers made rthe tube. It was used as an output tube in car/automobile radios

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 119 x 45 mm / x 4.69 x 1.77 inch
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   Pages 24-25
-- Collector info (Sammler)
 
a246_so~~1.png
52: ARRL Handbook 1972
Michael Schlör

 
52.png
52: Raytheon Databook 1937
Emilio Ciardiello


Usage in Models 1= 1932 ; 1= 1933?? ; 2= 1935?? ; 1= 1936?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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