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6R7M

Information - Help 
ID = 47972
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 6R7M = 6R7

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Literature -- Collector info (Sammler)   
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6r7m_so.png
6R7M: arrl Handbook 1972
Michael Schlör

 

Usage in Models 6= 1938 ; 6= 1941? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13

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