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F123A

Information - Help 
ID = 15842
       
Country:
United States of America (USA)
Brand: Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to F123A = MR-123A

Base Jumbo 4-pin bayonet (1918) (Codex=By) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 4 Ampere / Direct
Description

125 watt output, 30 MHz

 
Dimensions (WHD)
incl. pins / tip
x 222 x 63 mm / x 8.74 x 2.48 inch
Information source Tube Lore (II)   p. 153
Babani, International Radio Tube Encyclopaedia   p. 202 & 203
Taschenbuch zum Röhren-Codex 1948/49

jumbo_4_pin_transmitting_base~~7.png F123A: Fin Stewart
Fin Stewart


Just Qvigstad
 
federal_f_123_a_nw.jpg

 

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