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12B6M

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ID = 18395
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Diode-Triode   Audio Frequency 
Identical to 12B6M
Similar Tubes
Normally replaceable-slightly different:
  12B6 ; 12B6MT
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Description Particular Rogers type. Not related to 6B6, 7B6 series. In a GE list of equivalents it should be replaceable by 12Q7, but that is not correct, since base and wiring must be changed (note 1+2, or even 4 applies). 
Information source Taschenbuch zum Röhren-Codex 1948/49   
12b6m_so.png 12B6M: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
Usage in Models 11= 1939 ; 6= 1940? ; 41= 1940 ; 1= 1941? ; 1= 1941
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):60
 
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