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12A7
First year
:
1933
Base
:
7-Pin-Base U7A = small, old, USA (Codex=Ma)
Filament
:
Vf 12.6 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Identical to
:
= CV909
Tube type
:
HalfWave Rectifier-BeamPowerTetrode
Published by:
dido
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