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8-A Microphone Amplifier

8-A Microphone Amplifier; Western Electric (ID = 304945) Ampl/Mixer
8-A Microphone Amplifier; Western Electric (ID = 304951) Ampl/Mixer 8-A Microphone Amplifier; Western Electric (ID = 696821) Ampl/Mixer
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8-A Microphone Amplifier; Western Electric (ID = 304951) Ampl/Mixer
Western Electric: 8-A Microphone Amplifier [Ampl/Mixer] ID = 304951 493x700
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For model 8-A Microphone Amplifier, Western Electric Company Inc.; New York (NY)
 
Country:  United States of America (USA)
Manufacturer / Brand:  Western Electric Company Inc.; New York (NY)
Year: 1923 Category: Audio Amplifier or -mixer
Valves / Tubes 3: 102DW 102DW 205B
Main principle Audio-Amplification
Wave bands - without
Details
Power type and voltage Storage and/or dry batteries / 12 +130 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: 8-A Microphone Amplifier - Western Electric Company Inc.;
Material Metal case
Shape Rack
Notes Microphone amplifier for broadcasting purpose, in a metal rack of 1700 mm height. Sources contradicting for the last tube: either 205D or 205B. 205D apparently later replacement for the 205B.
Mentioned in Electrical Communication Vol.3 No.2, January 1924

Model page created by Georg Richter. See "Data change" for further contributors.



All listed radios etc. from Western Electric Company Inc.; New York (NY)
Here you find 153 models, 128 with images and 28 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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