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Re: Denon 2808 bi amp m80's?
SirQuack #339552 02/22/11 09:51 PM
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Sir Quack and all,

I don't know why this tedious issue is raised yet again. It was sorted out years ago on the forums. To my knowledge, no-one at Emotiva ever "contacted Axiom engineers". The rest from Lonnie at Emotiva regarding the M80 and its alleged "crossover problems"--any version--is nonsense, and a lame attempt on the part of Emotiva to cover for a flawed amplifier design.

In the ten years I've been with Axiom, even entry-level AV receivers from Denon, H/K, Sherwood Newcastle and NAD (among others) have been able to drive the M80ti, the v2 and the v3, to loud playback levels without overheating/shut-down problems provided the receivers/amplifiers are not run into clipping.

It's for this reason I've continued to recommend the above mentioned AV receiver brands and warn users away from earlier models of Onkyo, Sony, and Yamaha, which did have trouble with 4-ohm loads, including the M80s. Recent higher-end models from Onkyo, Yamaha and Pioneer seem to be fine.

I've also endorsed power amplifiers from Parasound, Rotel, NAD, Anthem, Bryston, Sherwood Newcastle, B&K, and others, none of which had any problems with shut-down driving M80s of any vintage.

Regards,
Alan


Alan Lofft,
Axiom Resident Expert (Retired)
Re: Denon 2808 bi amp m80's?
alan #339561 02/22/11 10:46 PM
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Well then I guess I will just have to find out who he talked to then. smile I have been in communication with diehard seperate owners that have owned (Bryston, NAD, Parasound, etc.) over periods upto 20 years. Many of them have done side by side comparisons recently and give very high praise to the current lineup of Emo's.

All companies have issues in the beginning, and I will be the first to admit part of my problem was the MPS-1 amp which was pretty new at the time. Heck, it is not like Axiom has never had issues with their products, all companies do.

Oh well, not trying to bring this up again, so everyone have a good evening.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB SonyUBPX800


Re: Denon 2808 bi amp m80's?
SirQuack #339566 02/23/11 12:28 AM
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When I had my M80's (v2) being driven by Emo's RPA-2 it never went into protect mode, it simply blew the left channel of the amp, TWICE! Lonnie tried to Blame it on my M80's, but that is crap. 2 brand new amps later, he refunded my money in full and we parted company. 2 weeks later they discontinued the RPA-2.

After that I got some Khartago mono's and never had a problem at insane levels. Sold my Khartagos and got the Onkyo 3008, still no problems at insane levels!

Judge for yourself....

Dana


M80's, QS8's, M22's, CHT SHO-10, Dual CHT SS-18.1's, Onkyo NR3008, Mitsubishi WD-73740
Re: Denon 2808 bi amp m80's?
Dduval #339568 02/23/11 12:42 AM
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I had problems with the Sherwood R-772 shutting down with the M80's at high volume levels.

Re: Denon 2808 bi amp m80's?
SBrown #339578 02/23/11 01:39 AM
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Dana, as you know I also had Khartago Extremes, they never had a problem with Axioms, however, when I asked Klaus about driving the 4 ohm Axioms, he chuckled and said they are not 1ohm so no problem, German engineering at its best. I was restricted on space and the Khartago's didn't have much breathing room, so would get pretty hot to the touch, being and A/AB design.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB SonyUBPX800


Re: Denon 2808 bi amp m80's?
SBrown #339580 02/23/11 02:04 AM
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Originally Posted By: SBrown
I had problems with the Sherwood R-772 shutting down with the M80's at high volume levels.


So did you keep the 772? or ???

Dana


M80's, QS8's, M22's, CHT SHO-10, Dual CHT SS-18.1's, Onkyo NR3008, Mitsubishi WD-73740
Re: Denon 2808 bi amp m80's?
Dduval #339581 02/23/11 02:18 AM
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It's in the bedroom now, with some old Technics speakers. Might have to get some M22's for it, but the wife is hesitant. crazy

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