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ID = 18999
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to CV4014 = 6064 = M8083 = S6F12
Similar Tubes
Normally replaceable-slightly different:
Other class quality (otherwise equal):
  CV138 ; EF91
Other base:

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description The CV4014 specification is met by the M8083 and the 6064 although the latter has a different acceptance test specification. 
Tube prices 2 Tube prices (visible for members only)
Information source -- Original-techn. papers.   
CV4014: FC
Frank Cuffe

More ...
CV4014: ARRL Handbook 1972
Anonymous 10 Collector


from Just Qvigstad

Usage in Models 1= 1953 ; 1= 1955?? ; 1= 1960

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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