Beechnut Posted April 29, 2011 Share Posted April 29, 2011 What is the difference between the two other than watts per channel? Also, I see the Signal to noise ratio yeilds a higher db level @ 1 watt on the UPA. So does that mean the XPA produces a cleaner sound with lest distortion? Quote Link to comment Share on other sites More sharing options...
Danzo Posted April 29, 2011 Share Posted April 29, 2011 UPA-1 has the same one channel 200W module as multichannel XPA amps XPA-5 and XPA-3 have, but gets benefits of monoblock. XPA-2 is entirely different beast and XPA-1 is a fully balanced 500W amp up there with higher end. Loads of info on those amps at Emo forums. You can start here Quote Link to comment Share on other sites More sharing options...
Rich_Guy Posted April 29, 2011 Share Posted April 29, 2011 Other benefits on the XPA models are higher quality binding posts and XLR inputs which all the XPA models have, however the UPA-1 does have an XLR input. Personally I think the UPA models are excellent amps but that the XPA amps are a definite improvement and well worth the additional price for the increased power and XLR inputs are much nicer than RCA. Quote Link to comment Share on other sites More sharing options...
Danzo Posted April 29, 2011 Share Posted April 29, 2011 I personally do not need balanced as in my HT connections are short and i have no interference to eliminate. UPA-1 is not a balanced amp anyways, but they might be releasing something like that soon. Emotiva have like 40 new products in works so watch out for more of great value they produce Quote Link to comment Share on other sites More sharing options...
Max2 Posted April 29, 2011 Share Posted April 29, 2011 I have heard from a few that Emo recommends the multi channel UPA's for Klipsch due to noise floor problems from the XPA's. I dont own either, but when you start looking at specs on them it may be understandable. Quote Link to comment Share on other sites More sharing options...
Danzo Posted April 29, 2011 Share Posted April 29, 2011 I can confirm this. Just hooked the XPA-5 and UMC-1 to test for noise (never ever noticed it before) and with my ear 1 foot in front of drivers i can hear small hiss with no source playing. But then again, at 99dB Forte IIs are not as sensitive as Heritage speakers. Quote Link to comment Share on other sites More sharing options...
USNRET Posted April 29, 2011 Share Posted April 29, 2011 I can tell you without any doubt that XPA-1s have significant floor noise hissssss with Belles. XPA-3 and -5 on RF-83s and I don't hear any. Quote Link to comment Share on other sites More sharing options...
Beechnut Posted April 29, 2011 Author Share Posted April 29, 2011 I know what signal to noise is, just wasn't sure how to differentiate which was better by reading the spec sheet. Balanced vs Unbalanced im sure is an unending debate. I was looking at marantzs 7005 pre/pro since it does have balanced preouts. Quote Link to comment Share on other sites More sharing options...
Rich_Guy Posted April 29, 2011 Share Posted April 29, 2011 Yes, of course it also depends on your Klipsch speaker series, the Reference series which I have love the power of the XPA amp and the speakers are quiet with no hiss or floor noise.The extra power really improves the bass and headroom. While there are other Klipsch speaker series which are ultra efficient and don't play well with high powered amps, these would be better suited with a lower powered amp, these are often paired with tube amps. I believe this is what Klipsch speakers Emotiva is referring to. Quote Link to comment Share on other sites More sharing options...
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