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ID = 22598
Tube type:  Triode-Pentode   Universal   Controlling (mu) 
Identical to 6F7E
Similar Tubes
Normally replaceable-slightly different:
  6F7 ; 6F7B

Base 7-Pin-Base U7A = small, old, USA
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
6F7E: my own collection
Bartosz Szwed


from Just Qvigstad

Usage in Models 3= 1936 ; 1= 1938

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

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