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M8137

Information - Help 
ID = 27800
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Double Triode   Universal 
Identical to M8137 = 6057 = CV4004
Similar Tubes
Other class quality (otherwise equal):
  CV492 ; ECC83

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Special Quality Version of the ECC83, CV492. Heater centre-tapped for dual voltage operation.

 
 
m8137.jpg
M8137: RFJ
Roy Johnson

 
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M8137: ARRL Handbook 1972
Michael Schlör

 
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M8137: Mullard - original papers
Wolfgang Romeyke


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