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How to connect multiple sets of speakers?

 I am currently using a Denon AVR - 1905 for my receiver. I am using it like a 2.1 system. I have my mains on the speaker A channel and the other 3 pairs of speakers on the B channel.  The individual sets of speakers and controlled by a speaker selector.  At moderately high t high volumes I get a very loud bass rumble.  I was explained to me that each channel has it's own amplifier in my receiver.  Since I have 3 sets of speakers on 1 channel the Ohms have gone from 8 ohms all the way down to 2 ohms because of the 3 total sets on one channel.  Short of get a whole new amplifier setup(Yes, I eventually will do this, just not able to do it now), what is the best way to connect the sets(4 total)? 2 sets per channel with 2 speaker selectors?  I appreciate any help on this matter!!

Kevin McAlley
ksmcalley

Showing 1 response by imhififan

imhififan's avatar
imhififan
2,220 posts
 
Since your AVR has 7 channels of amplification, connect one pair of speakers to 'speaker B', one pair to surround L and R, one pair to surround back L and R.
Using '7.1 channel stereo' mode to activate all speakers.
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