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237

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ID = 13516
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 237 = ER237 = NU-37 = Y237 = P237
Similar Tubes
Other shape (e.g. bulb type):
  37
Normally replaceable-slightly different:
  137 ; 137A
Heater different:
  NY67
Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Dimensions (WHD)
incl. pins / tip		 x 103 x 38 mm / x 4.06 x 1.50 inch
Weight 36 g / 1.27 oz
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  37~~6.png
  237: Internet
Miguel Angel Trujillo-Rodriguez
 
237silvertone_3_klein.jpg
237
Geri Meier
 
5a_4.png
237
Emilio Ciardiello
 
Usage in Models 3= 1931 ; 1= 1932?? ; 3= 1932? ; 9= 1932 ; 5= 1933? ; 4= 1933 ; 2= 1934?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):27
Collection of Michael Landon (USA)
Collection of Pedro Prieto-Castro (E)
Collection of Geri Meier (CH)
Forum contributions about this tube
237
Threads: 1 | Posts: 1
Hits: 2270     Replies: 0
237 (237)
Michael Landon
05.Mar.10 		  1
237 (237) 

237 Tube shown manufactured by Silvertone. Data on base - 237-39X
 
237
End of forum contributions about this tube
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