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#162414 - 03/26/07 08:17 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: SirQuack]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17809
Loc: NoVA
Yeah, Dennis switched to Parasound Halos. Which are significantly more expensive than Emotivas. Significantly...

OTOH, he was also driving 5 M80s and 2 QS8s to 115 dB, so it's a little bit different.
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#162415 - 03/26/07 10:18 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: Ken.C]
richeydog Offline
connoisseur

Registered: 05/24/04
Posts: 1201
Loc: Fresno, CA
Dennis was able to shut down the Parasounds in that big ole room of his. He was approaching nearly the same spl's as Randy, but with a Rocket setup(1000's x 2, 850's x 3, qs8's x 2).

We just figured that he played them to their capacity, and then joked that he should get rid of the A21's in favor of some JC1's...

I still would like to know what is going on with Randy's M80's and MPS-1...
_________________________
*Michael*
AV123 Refugee - X-LS Encore, X-Voce, X-Omnis, Elt-Dpa's
Denon AVR-591
Magnavox NB500MGX BDP


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#162416 - 03/26/07 10:26 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: Ken.C]
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 5440
Loc: Bowmanville, Ontario, Canada
From what I remember, the Outlaw amp simply couldn't get rid of heat fast enough when running at sustained high volumes with mostly 4 ohm speakers. In his case there was an "overtemp" light that came on (and everything was really hot ) so it was pretty clear what the problem was.

Does the Emotiva have enough idiot lights to indicate whether this is a temperature or current limit shutdown ? I would re-read the thread but I'm running at about 6 bps on dial-up right now (if I meant 6 Kbps I would have *said* 6 Kbps ) so I can't bear to go read the thread again, sorry.

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#162417 - 03/26/07 11:18 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: SirQuack]
Mojo Offline
connoisseur

Registered: 01/21/07
Posts: 3292
Quote:

In regards to Audioholics findings of 256 watts into 4 ohms, they assured me that they are in fact 300watts into 4 ohms as stated. They are not sure of the exact test that was used to get these figures (mainly what equipment/ load banks, etc.), but they assured me and will back their specs up every day of the week that their amps do produce the power that they are rated. This is something Emotiva takes very seriously and they do not play games with the figures.





Randy, every manufacturer has the best intentions. You may want to ask Emotiva to show you the test specification (complete with test set-up) and signed test results to verify the above claim. If they take it that seriously, they should have documented proof so that they and their customers can rest easy.

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#162418 - 03/26/07 11:22 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: bridgman]
HomeDad Offline
connoisseur

Registered: 12/29/05
Posts: 3301
Loc: Central,California
I've run my Aragon 2005 at some pretty extreme levels powering 5 speakers and never had a problem, I didn't check my SPL levels but my wife did call from across the street and tell me to turn it down.
I'm betting there is a problem somewhere other than just driving the amp to hard.
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#162419 - 03/26/07 11:27 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: bridgman]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13344
Loc: Iowa
Each amp has the following:

Blue Led - Power module is installed, online, and ready.

Amber Led - Power module is installed and powered on but is in a standby situation waiting for audio signal or external trigger.

Red Led - This indicates a fault condition. A fault condition is one or more of the following:
.excessive operating temprature
.excessive current (short circuit)
.DC on the outputs

When my amps shutdown I get a red led for that channel that shuts down.
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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#162420 - 03/27/07 12:20 AM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: SirQuack]
richeydog Offline
connoisseur

Registered: 05/24/04
Posts: 1201
Loc: Fresno, CA
What is the temperature of the amp when it shuts down? Cool, warm, or hot?
_________________________
*Michael*
AV123 Refugee - X-LS Encore, X-Voce, X-Omnis, Elt-Dpa's
Denon AVR-591
Magnavox NB500MGX BDP


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#162421 - 03/27/07 09:37 AM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: richeydog]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13344
Loc: Iowa
It is still pretty cool, I had not been running it very long.
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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#162422 - 03/27/07 12:05 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: SirQuack]
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 5440
Loc: Bowmanville, Ontario, Canada
OK, that's good news.

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#162423 - 03/27/07 04:02 PM Re: Emotiva MPS-1 shutting down? Amp gurus help [Re: bridgman]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13344
Loc: Iowa
They told me they will make this right for me, and I totally believe they will. If not they said, they will take the unit back. They are sending me some new amps, and Lonnie is personally runnning a QA on them before they leave. He wants to explore his thought on the Bias adjustment on the amps I have as possibly being set slighly off.

The amps have two Bias adjustments, a manual one that is set during production, and an automatic one that alters itself based on the situation.

He also said that the owner of the company is running 4 ohm speakers as well that are far more expensive than Axioms, and has no problems. He does not think it is the m80s. Only time will tell.
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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