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654

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ID = 17010
       
Country:
United States of America (USA)
Brand: Heintz & Kaufman Ltd. (Gammatron); San Francisco, CA
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 654

Base Jumbo 4-pin bayonet (1918) (Codex=Bt) Sidecontact and top contact.
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 15 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 254 x 89 mm / x 10.00 x 3.50 inch
Information source Tube Lore (II)   p. 218
Babani, International Radio Tube Encyclopaedia   p. 180 & 181
Taschenbuch zum Röhren-Codex 1948/49


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