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Listening Only AudioPassive
Microphones Minimum Standards
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Alnico amplifier audio-active audio-lingual Avenue Bakelite capable of operating certified check combination headphones CONSOLE RECORD-PLAYBACK TAPE continually under normal conventional classroom convertible booths design capable durable and rugged electronic classroom Electronic Components Needed electronic equipment electronic language classroom electronically matched entire system fast rewind Flutter of 0.2 furniture headphones and microphones High fidelity Hinged top ips and 50 lesson source light meter listen LL.D manufacturer master source master tape matched to system materials Microphone input modern foreign language monitoring multiple track normal classroom output PERFORMANCE BOND planning playback function Provide facilities pupil stations quality and ruggedness ratio of 40 record and playback RECORD-PLAYBACK TAPE DECK Regular school desks response of 50 rewind and play rugged in design SAMPLE SPECIFICATIONS cont simple as feasible STUDENT DESK student positions tamper proof Tape deck controls tape recorders teacher's console Technical Specifications TOTAL twenty 20 volume control WIRING INSTALLATION York