Marked: Radiola IX / Radio Phonograph adjunct / Radio Corporation of America / Receiver and Radio Audio Amplifier / Model AR1396. Patented: 1/15/07; 1/21/08; 2/18/08; 4/12/10; 7/6/12; 10/6/14; 1/23/17 ...
The a-f-c horizontal hold that was used in this set was of a new type. Regarding the horizontal oscillator and discharge circuit: the incoming synchronization is superimposed on the horizontal ...
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