Broadcasting (Jan - June 1941)

Record Details:

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AND ENGINEERS ANNOUNCES A NEW LINE OF DELUXE FM TRANSMITTERS— FEATURING— A NEW VERSION OF THE ARMSTRONG PHASE SHIFT MODULATOR We Urge Engineers To Examine the Important Performance Characteristics Given Below: • FREQUENCY STABILITY — Better than ± 200 cycles of the mean carrier, and directly dependent upon one quartz crystal. Solely « SIGNAL TO NOISE — At ± 75 KC deviation, the noise is down 70 db. and hum. includes • DISTORTION — Less than 1% over the entire range of 50 to 15,000 cycles. • FREQUENCY RESPONSE — Within ± 1 db. from 30 to 15.000 cycles. • ACCESSIBILITY — All tubes and tuned circuits ore readily accessible for ment and adjustment purposes. replace Leaders in FM use REL transmitters . . . outstanding broadcasters like Major E. H. Armstrong, inventor of FM, Alpine, N. J.; John Shepard and Paul DeMars, Yankee Network; Walter Damm, WTMJ, Milwaukee; Bill Scripps, WWJ, Detroit; John Hogan, WQXR, New York City; Dr. Ray Manson, WHAM— Stromberg-Carlson, Rochester, N. Y.; Clarence Wheeler, WHEC, Rochester, N. Y.; Roger Clipp, WFIL, Philadelphia. To protect your investment in FM, look to Radio Engineering Labs., Inc., Long Island City, N. Y., for your FM equipment. IROADCASTING • Broadcast Advertising June 16, 1941 • Page 21