ZONED_PUBLIC_ADDRESS_IN_PLANE

Published:2009/7/14 22:38:00 Author:Jessie | From:SeekIC

Uses single preamplifier and up to five Power amplifiers and speakers to distribute sound uniformly throughout seating area of plane. Air-ground output switch acts on all amplifiers simultaneously to compensatefor different noise levels on ground than in air,-Transistorized P-A System Adjuststo Aircraft Noise, Electronics, 31:7, p 106-107.



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