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Post by agentcoop72 on Mar 21, 2015 10:24:26 GMT -5
So I've been goofing around with some of my equipment and for fun I hooked up
my Gen. 1 XPA-3 to power my vintage stereo system. I'm driving some nice
vintage Boston A100's along with my older yamaha pre-amp.
I seem to recall that if the XPA-3 runs in stereo it pushes more juice to the 2 speakers vs. 3? Is that correct?
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Post by Canuck_fr on Mar 21, 2015 10:36:29 GMT -5
Yes it does, There is a link here somewhere that has that detail in it, can't find it in the search engine.
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novisnick
EmoPhile
CEO Secret Monoblock Society
Posts: 27,223 
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Post by novisnick on Mar 21, 2015 10:38:53 GMT -5
So I've been goofing around with some of my equipment and for fun I hooked up my Gen. 1 XPA-3 to power my vintage stereo system. I'm driving some nice vintage Boston A100's along with my older yamaha pre-amp. I seem to recall that if the XPA-3 runs in stereo it pushes more juice to the 2 speakers vs. 3? Is that correct? Welcome to the nut house, we're all nuts around here.  So so glad you found us. Without looking at any specs. I believe you are correct in your assumption. It will drive a little more to two channels then three. It should work just fine. If I don't mention that MONOBLOCKS are the way to go for two channel, I'll get grief from now to Christmas!! So there it is. Glad to have you here, please stick around and have some fun. Nick |
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tknice
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Post by tknice on Jul 7, 2015 10:05:01 GMT -5
So I've been goofing around with some of my equipment and for fun I hooked up my Gen. 1 XPA-3 to power my vintage stereo system. I'm driving some nice vintage Boston A100's along with my older yamaha pre-amp. I seem to recall that if the XPA-3 runs in stereo it pushes more juice to the 2 speakers vs. 3? Is that correct? Welcome to the nut house, we're all nuts around here. View Attachment So so glad you found us. Without looking at any specs. I believe you are correct in your assumption. It will drive a little more to two channels then three. It should work just fine. If I don't mention that MONOBLOCKS are the way to go for two channel, I'll get grief from now to Christmas!! So there it is. Glad to have you here, please stick around and have some fun. Nick Hey Nick, does it automatically do this in stereo and reference stereo modes or does it have to do with what channels are hooked up? |
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novisnick
EmoPhile
CEO Secret Monoblock Society
Posts: 27,223
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Post by novisnick on Jul 7, 2015 10:10:14 GMT -5
Hi tknice, As long as there is no load on the third channel the extra juice will only go to the two demanding it. ie: connect two speakers and crank it up!!! ENJOY!  |
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Post by Gary Cook on Jul 8, 2015 0:37:59 GMT -5
The power supply is the limiting factor, the amplifier modules themselves from memory are capable of more than 275 watts. That's continuous, they'll do way more than that instantaneously.
Cheers
Gary
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Post by transchris1 on Mar 12, 2016 11:58:56 GMT -5
I was using the xpa3 for 2 channel stereo until I replaced it with the xpa2...either way it sounds incredible!!!
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Post by smarties on Mar 14, 2016 4:43:15 GMT -5
spec wise, the XPA-2 looks superior to a XPA-3, even if you just use the XPA-3 in 2 channel system.
Larger PSU and more cap storage in the XPA-2.
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geebo
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Post by geebo on Mar 14, 2016 6:57:41 GMT -5
web.archive.org/web/20090131162342/http://www.emotiva.com/xpa3.shtmScroll down to the specs. Here is an excerpt: 8 ohm rating:
3 channels - 8 ohm = 200 watts per channel
2 channels - 8 ohm = 250 watts per channel
1 channels - 8 ohm = 300 watts per channel
4 ohm rating:
3 channels - 4 ohm = 300 watts per channel
2 channels - 4 ohm = 400 watts per channel
1 channels - 4 ohm = 500 watts per channel
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Post by smarties on Mar 14, 2016 7:25:53 GMT -5
Unless your speakers are basicallly a rubber rod, the extra power isn't important.
The design of the 2 channels looks like it was designed as a two channel - with front to back heatsink/electronics, but the three channel looks more of a multi channel amp with just three modules in it, with just a smaller PSU and less cap storage than say XPA-5 and XPA-7.
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