Popular Radio

Popular Radio

4.11 - 1251 ratings - Source

Five CX340 tubes are useda€” 3 in the R. F. circuit, one detector and one In the audio. ... is different from the usual 7- tube R. F. circuits, which variations contribute to Its optimum selectivity, perfect quality and thrilling volume. ... Mail the coupon and 10c stamps for this valuablo booklet Send todaya€” NOW 1 Ste articleanbsp;...

Title:Popular Radio
Author:Kendall Banning
Publisher: - 1927


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