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ID = 32429
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: Mazda = Valve (Tube) brand GB (see also France) 
Tube type:  Vacuum Pentode   Power-supply 
Identical to CV4065
Similar Tubes
Other base:
Other base and data slightly different:
  A2134 ; CV2179

Base Miniatur-7-Pin-Base B7G, USA 1940 Wires only.
Filament Vf 6.3 Volts / If 0.64 Ampere / Indirect / Parallel, (AC/DC)
Description Wire ended version of the CV4062

Low Impedance Pentode.
Pa <9W. Va <500V. gm 9.5 mA/V. Ra 23k.
As triode Ra is 835 ohms with a gm of 12 mA/V 

Dimensions (WHD)
incl. pins / tip
19 x 70 x mm / 0.75 x 2.76 x inch
Information source -- Original-techn. papers.   

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