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BTA-50GSO KW AMPLIPHASE Je„ "Ampliphase" design greatly r ices number of rubes and power costs, lowest operating cost of any 50 k AM transmitter . . . half the tube cost o 50 kw AM transmitters. Complet cooled. Takes less than 80 square t floor space. Requires no unde oor trenches, reduces installation costs
BTA-5H/10H— 5 and > KW BI-LEVEL— Features "I erel modulation, accompli d bj adding a controlled ai in: of audio to the r-f driver, i; ease: efficiency, reduces pov consumption and distortii Substantial savings in oj atint and tube costs comb with space-conserving desi
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BTA-1M/500M (shown with left-wing phasing cabinet) — Features low power consumption. Uses only 15 tubes in the BTA-lM, 14 in the BTA-500M, and only four types. Single-control tuning assures ease of operation. Modulated by RCA's famous "Bi-level" technique. Complete transmitters housed in an attractive and practical lightweight aluminum cabinet.
BTA-230M— 2 50WATT BI-LEVEL— Provides the quiet operation desirable for control room installation. Simple onecontrol tuning. Distortion-free "Bi-level" modulation, excellent frequency response. Uses only 1 0 tubes of three rube types. An ideal "economy package."
BTA-1MX/500MX — Designed for high-fidelity operation, transmitters BTA-1MX (IKW) and BTA-500MX (500 watts) offer single-control tuning, desirable Bi-level modulation, low power consumption, fewer tubes.and fewer tube types. Minimum floor space required . . . approximately 6 square feet.
REMOTE CONTROL EQUIPMENT— RCA Remote Con trol Equipment provides facilities to switch prograo lines, adjust plate or filament voltage, operate a lin< variac control on emergency transmitter, contro Conelrad switching, operate power contactors am reset manual overload breakers, from any desired con trol point, regardless of transmitter design or powet.