Department of Defense, Television-Audio Support Activity (T-ASA), Contracts Division, 3116 Peacekeeper Way, McClellan AFB, CA 95652- 1068

58 -- TRANSMITTER SOL MDA112-95-R-0057 POC Carolyn Mallory, Contract Specialist, (916) 643-5188 or Richard H. Talbert, Contracting Officer, (916) 643-4896. The Television-Audio Support Activity (T-ASA) proposes to procure one (1) each transmitter, AM broadcast; 10KW output; RF output 50 OHM 1-5/8-in EIA flange; frequency range 531-1705KHZ; solid state modular design; pulse duration or digital modulation; modulation capability 125% at 11KW output; on-air serviceability w/module removal or patching around defective modules while on-air; built- in dual redundant exciters selectable by local or remote control; 3 preset power levels between 1 and 11KW selectable by local or remote control; audio frequency response +/- 0.5DB from 30HZ to 10KHZ; distortion less than 1% at 95% modulation at 10KW output; intermodulation distortion 1% or less, 60/7000 HZ, 1:1 ration; carrier shift less than 1%; frequency stability within 10 PPM from 0 to 50 degrees C; spurious and harmonic radiation 80DB or more below 10KW; overall efficiency better than 75%; frequency 1107KHZ; pwr rqmts: 230VAC, 50HZ, 4-wire3-phase delta, no nuetral, 123VAC phase to ground; one (1) each AC line protector; wall mountable enclosed transient/surge protector with sufficient rating to protect the transmitter against power line transients and over-voltages; one (1) each spare module kit; one (1) each spare parts kit; two (2) each service manuals F/U/W transmitter offered; one (1) each monitor, modulation; audio AM; RF sensitivity 5-10V RMS; input impedance 1000 OHMS std, 50 OHMS opt; RF freq resp: 200KHZ-160MHZ; modulation meter range: 0-133% (switchable to either positive or neg peaks); modulation meter accuracy 2%; freq resp: 0.5DB from 20-25,000HZ; distortion: 0.25% max at 99% modulation; S/N ratio: 75DB; remote metering 5000 OHMS ext loop resistance; ;aural monitoring output +10DBM, 600 OHMS; aural proof-of-performance output 5V RMS; pwr rqmts: 220VAC, 50/60HZ; one (1) each panel, remote meter; provides for remote display of modulation, peak indicators, and alarms; includes service manual; F/U/W modulation monitor; pwr rqmts: 220VAC, 50HZ; and one (1) each manual, service/instruction w/schematics and parts listing; F/U/W modulation monitor. A complete description will be rovided in the solicitation. This acquisition is Subject to the Availability of Funds. FOB Origin: Manufacturer's plant; overseas packaging will be required. The solicitation package will be issued approximately fifteen (15) days after publication of this notice. No telephone requests for the solicitation package will be accepted, all requests must be submitted in writing. Facsimile requests are acceptable. FAX number is (916)643-4032/3938/4730. All responsible sources may submit an offer which shall be considered by the agency. (0270)

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