SIRIPF_ON_FILM_RECORD_PLAYBACK

Published:2009/7/24 4:35:00 Author:Jessie | From:SeekIC

Transistor preamplifier is used only on playback. Two-stage recording amplifier has 10 db of negative feedback from secondary of output transformer to linearize frequency response and reduce distortion. Oscillator V3 supplies bias and erase current al 40 kc.-J. M. Moriarty, It. B. Johnson, and R. J. Roman, Magnetic Sound Track of 8-MM Home Movies, Electronics, 33:35, p 61-63.



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