Broadcasting (Oct 1931-Dec 1932)

Record Details:

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Left to right: 12 A Transmitter, 714 Amplifier, 1A Frequency Monitoring Unit (on desk), 9A Speech Input Equipment Quality Compactness Hffieienci E COtBOWny • • • 4 reasons why leading stations of 100 to 1000 watts use the Western Electric 12 A Transmitter The Western Electric 12A Transmitter and 71A Amplifier have set a new and higher standard in radio broadcasting equipment. Quality coverage assures station popularity and increased revenues. Rated at 100 watts, the 12A Transmitter includes these outstanding features: 100% grid bias modulation — complete absence of rotating machinery — all tubes radiation cooled. Unusual frequency stability and fidelity of transmission are inherent qualities. For power higher than 100 watts, the 12A Transmitter is used as the driver for the 71A Amplifier which — depending upon the tubes used in the output stage — will deliver 250, 500 or 1( watts. Innovations in design result in highest quality perfoi ance and economical operation. Complete 100 watt transmitting equipment occupies oi I 25" x 36" floor space. Additional space of like area is requii 1 for the Amplifier, giving increased power up to 1000 watts. An efficient all AC operated single rack Speech Input Equ f ment — with Western Electric Moving Coil Microphone — has be l designed for use with these transmitting equipments. Send 1 1 coupon to Graybar for full details. Western Electric RADIO TELEPHONE BROADCASTING EQUIPMENT Distributed by GRAYBAR Electric Company | GRAYBAR ELECTRIC CO. B 12 I | Graybar Building, New York, N. Y. j Gentlemen : Please send me full information on the Western Elect | 12A Kadio Transmitter and 71A Amplifier. CITY STATE. BROADCASTING • December 1, 19,