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Post by mattinva on Nov 11, 2015 11:19:35 GMT -5
I am considering picking up a second XPA-5 (Gen 1, in case that makes any difference) to power a total of ten speakers, but was curious about how a divide of speaker pair's powering might work and if there were any issues with this idea.
Since it's going to be 5 channels + 5 channels I will end up dividing one pair of the ten surrounds (five pairs) between the two XPA's with one pair's "speaker L" on one XPA-5 and "speaker R" on the other XPA-5.
Should I be considering any potential issues with this sort of divide of a pair of speakers?
Thanks.
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Post by garbulky on Nov 11, 2015 12:43:49 GMT -5
An XPA-5 with its channels unused will give a larger amount of power to the channels tha are being used. So for instance in two channels only it gets close to the power of an XPA-2. So I think your idea should be sound.
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Post by repeetavx on Nov 11, 2015 13:08:15 GMT -5
Yep. You'll want to do it exactly like you thought. Using separate amps for each side maximizes stereo separation. Then there is the power issue that garbulky pointed out, which is exactly true. When listening to two channel, it will be like using unbalanced monoblocks (like the XPA-100). The difference between Gen. 1 and Gen. 2 XPA-5s is the gain. Some people say you can adjust the gain differences out with the preamp level control. I haven't had good luck doing that. Just make sure your buying another Gen. 1, and you'll be golden.  |
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Post by mattinva on Nov 11, 2015 13:59:24 GMT -5
Great. Thank you both for the replies.
So I'll be using all 5 channels of both XPA-5's, but was worried that having the left speaker of a pair on Amp A and right speaker of the pair on Amp B might open up issues versus the other surround/overhead pairs that were both connected to the same amp.
My original idea was to sell the Gen 1 XPA-5 then get 5x XPA-200's, but buying one used Gen 1 XPA-5 is a heck of a lot cheaper to get to having everything covered.
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