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Connecting 6 pair of speakers (12 total) via one stereo receiver

A friend has a business. He has 6 pair of speakers, making a total of 12 speakers, installed throughout the restaurant.
He wired all of these speakers to one stereo receiver. Needless to say, it sounds very poor.
Turning up the volume knob has nearly no effect.
I've been told he needs an amplifier that handles 6 pair of speakers. It would also be helpful if that amplifier had volume adjustments for each pair.
Can anyone direct me, offer advice and suggestions?
Even just telling me what he needs to get and a basic description of the connections.
I'm an electronics guy so I can figure out what to do with a little direction.

This is the receiver he has (Yamaha RX-V990):
http://www.yamaha.com/yec/products/productdetail.html?CNTID=200259&CTID=5000300&ATRID=1010&DETYP=ATTRIBUTE

Thanks a bunch !

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His receiver has enough power all 6 pairs of speakers, however, he should use a speaker selector switch. Niles is very well built and you can find them with an "on/off" button for each pair, and they have models that will independantly conrol volume as well. (SSVC-6) For a good unit, expect to pay from $250-$400. They will keep the unit at an 8ohm load and not over tax the receivers power supply.
Hope this helps

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

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