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ID = 27578
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Double Triode   Universal 
Identical to CV2493
Similar Tubes
Other class quality (otherwise equal):
  6DJ8 ; CV5358 ; ECC88
Other characteristic (electr. data):
  6922 ; 6922WA ; CCa ; CV2492 ; E88CC

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AC/DC
Description CV Specification is only fully met by Mullard E88CC/01. Pins Gold plated. Vibration resistant. This is a 100% noise selected version of the CV2492. 
Dimensions (WHD)
incl. pins / tip
22 x 56 x mm / 0.87 x 2.20 x inch
Information source -- Original-techn. papers.   

cv2493_so.png CV2493: ARRL Handbook 1972
Anonymous 10 Collector

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