Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 27800
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

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

M8137: RFJ
Roy Johnson

M8137: ARRL Handbook 1972
Michael Schlör

M8137: Mullard - original papers
Wolfgang Romeyke

from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]