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ID = 70598
Brand: Hitachi Ltd.; Tokyo
Tube type:  Vacuum Pentode   Power/Output 
Identical to 4M-P12

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 4.7 Volts / If 0.6 Ampere / Indirect / Specified current AC/DC ~ = (Series working)

Especially made for audio output in series connected television sets. 11 second heater warm up period.

Dimensions (WHD)
incl. pins / tip
19 x 66 x mm / 0.75 x 2.60 x inch

4mp12_sock.png 4M-P12: Manufacturer's Literature
Anonymous 15 Collector

Just Qvigstad
Usage in Models 2= 1957?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of



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