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OH12

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ID = 59603
       
Country:
United States of America (USA)
Brand: Voltron (tubes), O. Herschkowitz; Newark, NY
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to OH12
Similar Tubes
Normally replaceable-slightly different:
  WD12
Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 1.6 Volts / If 0.25 Ampere / Direct / Battery =
Description

B-Battery voltage: 15 to 90 volt.

 
Dimensions (WHD)
incl. pins / tip		 32 x 93 x 35 mm / 1.26 x 3.66 x 1.38 inch
Information source -- Original prospect or advert   Advert from 1924
2a_uv4~~27.png OH12: own collection
Peter den Boer † 2025

Just Qvigstad

Collection of

Peter den Boer † 2025 (NL)
 
oh_voltron1.jpg

More ...
 
Forum contributions about this tube
OH12
Threads: 1 | Posts: 1
Hits: 3383     Replies: 0
OH (OH)
Daniel Consales
07.Aug.15 		  1
OH (OH) 

Laut einem Inserat in "Radio Digest", Ausgabe vom 12.01.1924 gab es diese Röhre in 3 Varianten :

 
 
OH12
End of forum contributions about this tube
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