In Reply to: A 500 ohm speaker tap? posted by airtime on May 17, 2015 at 09:09:50:
That is now called a 70V distribution system. Very common in restaurants, schools, etc where lots of small ceiling speakers are driven in parallel from a common line. Usually, each speaker has a 70V to 8 Ohm matching transformer. Also useful where very long speaker cable runs are needed.
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Follow Ups
- RE: A 500 ohm speaker tap? - Alpha Al 16:12:19 05/17/15 (1)
- RE: A 500 ohm speaker tap? - Awe-d-o-file 18:27:23 05/17/15 (0)