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Modulated Oscillator 684A AC supply

Modulated Oscillator 684A; General Radio (ID = 2576134) Equipment
Modulated Oscillator 684A; General Radio (ID = 582786) Equipment
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Modulated Oscillator 684A; General Radio (ID = 582786) Equipment
General Radio: Modulated Oscillator 684A [Equipment] ID = 582786 933x529
Select picture or schematic to display from thumbnails on the right and click for download.
For model Modulated Oscillator 684A AC supply, General Radio Company; Cambridge (MA):
Electronics, December 1937
Country:  United States of America (USA)
Manufacturer / Brand:  General Radio Company; Cambridge (MA)
alternative name
Year: 1937 Category: Service- or Lab Equipment
Wave bands Wave Bands given in the notes.
Power type and voltage Alternating Current supply (AC)
Loudspeaker - - No sound reproduction output.
Power out
from Model: Modulated Oscillator 684A [AC supply] - General Radio Company;
Material Metal case
Shape Tablemodel, with any shape - general.
Notes 9.5 kHz to 50 MHz in 7 bands; CW or AM, 1 kHz. 1 % accuracy. There is also a battery model.
Literature/Schematics (1) Electronics, December 1937

Model page created by Emilio Ciardiello. See "Data change" for further contributors.

All listed radios etc. from General Radio Company; Cambridge (MA)
Here you find 216 models, 197 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.