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ID = 27963
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Triode, vacuum   Power/Output 
Identical to A2293 = CV4079
Similar Tubes
Other base and data slightly different:
Multiple differences or of other kind:
  7233 ; ED8000

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.95 Ampere / Indirect / Specified voltage AC/DC

<500V <100mA Gm=12mA/V

Tube prices 3 Tube prices (visible for members only)
Information source - - Manufacturers Literature   

a2293_pin.png A2293: GEC
Adrian Riesen

Just Qvigstad
A2293: General Electric DataSheet
Franz Scharner

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