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Amplifier B20

Amplifier B20; Bogen, David Co., (ID = 791297) Ampl/Mixer
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Amplifier B20; Bogen, David Co., (ID = 791297) Ampl/Mixer
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Country:  United States of America (USA)
Manufacturer / Brand:  Bogen, David Co., Inc.; New York (NY)
Year: 1937 ? Category: Audio Amplifier or -mixer
Valves / Tubes 7: 6F5 6N7 6C5 6F6 6B4 5X4 5X4
Main principle Audio-Amplification
Details
Power type and voltage Alternating Current supply (AC) / 110 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Amplifier B20 - Bogen, David Co., Inc.; New
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 8 = 1937 and before


All listed radios etc. from Bogen, David Co., Inc.; New York (NY)
Here you find 204 models, 179 with images and 110 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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