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Telephone Line Audio Interface
All materials and content contained on this page are the exclusive intellectual property of Andrew R. Morris and
may not be copied, reproduced, distributed or displayed without his express written permission.

This device connects the telephone line to a home theater system or PA system (receiver only).  It is phone line powered and features automatic volume control (AVC).  It also mutes itself when a phone is picked up to prevent feedback.

More:   PA (Public Address) Circuits Telephone Circuits
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