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ID = 27468
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Double Diode   Detector 
Identical to M8079 = CV4025
Similar Tubes
Other class quality (otherwise equal):
  6AL5 ; 6D2 ; CV140 ; CV283 ; D77 ; DD6_Ferranti_Cossor ; EB91

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description Special Quality version of the EB91. It meets the CV specification CV4025 and can replace the CV140. Peak voltage 460V, Ia <10mA mean, 60mA peak. Can withstand 500g shock or 2.5g continuous acceleration. 
Information source -- Original-techn. papers.   

m8079_so.png M8079: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
M8079: Mullard - original papers
Wolfgang Romeyke

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