Broadcasting (Jan - Mar 1950)

Record Details:

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^AUS ANNOUNCES A NEW MODERN \NSMITTER REDUCING OPERATING EXPENSE fICATIONS: Mgle 3X2500F3 power wwlth pair 3X2500F3 rsedback employed but ements when omitted, l ed modulation transjise 30-10,000 cycles lj|ow 100% modulation i50 and 7500 cycles, , space with phasor (as ' phasor 125" by 49". vients excluded. Power I'ption only 18.5 KW. ANNUALLY lii^i tltaHi Hjot CuU There is no investment in power tube cooling radiators and about one-half ordinary investment in spare tubes. With one major blower — less motors to maintain and consume current. Lower plate voltage (5000 volts compared to the usual 8000) means reduction of insulation problems and greater immunity to breakdowns and costly part replacements. Power factor at 5KW. is 90%. And performance — thoriated tungsten power tube filaments provide consistent 60 Db. or better noise reduction while tube and component adjuncts contribute naturally to lower distortion, especially at higher frequencies. A NEW HIGH IN — PERFORMANCE — QUALITY — ECONOMY — GATES BC-5B Scuf. Me^! — Musi pA^ti 5 k4jji. Of^e^uitUixj. i COMPANY HOUSTON GATES RADIO COMPANY 2700 POLK AVE. TEL. ATWOOD 9056 CANADA CANADIAN MARCONI COMPANY MARCONI BLDG., MONTREAL, QUE. TEL. ATLANTIC 9441