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Re: XPA 2 Now! A Keeper?
Wid #227418 10/29/08 02:42 AM
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aficionado
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The Rotel does sound sweet, it will be going into the study to power the Polks and a Dual turntable, NAD cassette player, and HK CD to CD recorder; great stuff!


"If you try to turn toward it, you go against it."
Re: XPA 2 Now! A Keeper?
SatKartr #227427 10/29/08 03:19 AM
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This poor guy is having some 8ohm speakers shut down the XPA 5 at low levels. Emotiva told him it was impedence peaks, come on.

http://www.digitalhome.ca/forum/showthread.php?t=93465


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85


Re: XPA 2 Now! A Keeper?
SirQuack #227439 10/29/08 03:44 AM
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axiomite
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Time to check out some Odyssey amps!

(shameless plug)


***********
"Nothin' up my sleeve. . ." --Bullwinkle J. Moose
Re: XPA 2 Now! A Keeper?
St_PatGuy #227442 10/29/08 03:52 AM
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shareholder in the making
Online Happy
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;\)


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85


Re: XPA 2 Now! A Keeper?
SirQuack #227466 10/29/08 10:47 AM
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W
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W
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Or more Rotel, ya know they work.


Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud

Re: XPA 2 Now! A Keeper?
Wid #227480 10/29/08 01:39 PM
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Posts: 1,349
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Or Outlaw. Outlaw makes some very fine equipment too at prices somewhat less than the equivalent Rotel & Odyssey gear. I was very seriously considering a pair of M2200's to drive my M80's. It just depends on how much money you want to spend.

I do still think that you ought to try to get Emotiva to send you another XPA before you call it quits with them.

And thanks to JohnK for explaining the impedance thing. I didn't know if it was something as simple as sticking an ohmmeter in between a speaker lead or if it was far more complicated. It would seem that 'B' is the correct answer. ;\)




Last edited by PeterChenoweth; 10/29/08 01:54 PM.

M80v2 | VP150v2 | QS8v2
SVS Pci+ 20-39
Emotiva UMC-1 & LPA-1
M22ti + T-Amp, in the Office
Re: XPA 2 Now! A Keeper?
PeterChenoweth #227483 10/29/08 01:54 PM
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I have another idea. It might be a bad one but it is something that I'd try, anyway...

You've said that you've tried running with just one speaker and you're still getting the shutdown. I wonder what would happen if you tried bi-amping just that one speaker? I wonder if you'd get a different shutdown point, or if it would in any way work better, or at least give you an idea of which set of cones is causing a problem for the XPA (tweets+mid vs woofers).

Put an RCA splitter on one channel output from the prepro, and run the splits into the inputs of the XPA, left and right. Then remove the bridge plate on the M80 and run a separate wire from each terminal on the M80 to each output on the amp. Then try it again. I'd be curious to see if it shuts down at (about) the same loudness.




M80v2 | VP150v2 | QS8v2
SVS Pci+ 20-39
Emotiva UMC-1 & LPA-1
M22ti + T-Amp, in the Office
Re: XPA 2 Now! A Keeper?
PeterChenoweth #227491 10/29/08 02:58 PM
Joined: Jun 2007
Posts: 4,357
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When I had my first problem with my RPA-1 (shutting down) Emotiva told me that it was because my M80s were getting hot, then the second time when I blew a fuse, they told me (as I've mentioned before) that the M80s can drop to 2 ohms. I've never gone past 0 on my Denon, I believe the max I pushed the amp to is -10 on my Denon, and the meters are peeking around 1/4 on my RPA-1, so I've never pushed it even close to its maximum.


The only reasonable argument for owning a gun is to protect yourself from the police.
Re: XPA 2 Now! A Keeper?
Ya_basta #227493 10/29/08 03:13 PM
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Online Happy
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M80s getting hot, that made me laugh. It is obvious they are in the blame game.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85


Re: XPA 2 Now! A Keeper?
SirQuack #227499 10/29/08 03:38 PM
Joined: Sep 2004
Posts: 11,458
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I've been staying out of this, because I don't want to fan flames without truly knowing what the situation is. But I will say this:

I would tend to not buy an Emotiva product because of incidents such as these. They are arguing (evidently) that the 80s are the problem, but that argument can be turned around another way: As long as I've been on this forum, I haven't heard of any other amps (that are rated for 4 Ohm use) that shut down under anything less than the most severe abuse.

They make a nice-looking, feature-attractive product for a low price point... but I wonder if the guts are really as beefy as people hope. I'd be more inclined to give other manufacturers' budget products the nod first... and I only have M60s.


::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::
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