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#383055 - 09/21/12 11:43 AM Re: Marantz Receiver and M80 [Re: Xiaomin]
BlueJays1 Offline
connoisseur

Registered: 09/19/08
Posts: 4082
Loc: Porch,enjoying Bombay Sapphire
I don't think it would help much in this case. The higher ohm setting would just put you at greater risk to damage the speaker. The ADA's ability to power the fronts would help greatly here. Bass management would be even more ideal. There is a lot of LFE and not to mention midbass content that is present in the M80's usable bandwidth.







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#383057 - 09/21/12 11:56 AM Re: Marantz Receiver and M80 [Re: Xiaomin]
J. B. Offline
connoisseur

Registered: 01/19/11
Posts: 1274
Loc: Quebec, Canada
it seems your audio card was clipping on strong signals.
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#383065 - 09/21/12 12:44 PM Re: Marantz Receiver and M80 [Re: BlueJays1]
Boltron Offline
veteran

Registered: 11/18/11
Posts: 171
Loc: Toronto
Originally Posted By: BlueJays1
Bass management would be even more ideal. There is a lot of LFE and not to mention midbass content that is present in the M80's usable bandwidth.


Bass management!?, as in reduce the Bass!?! Heresy! Speak not of such things again!
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#383066 - 09/21/12 12:52 PM Re: Marantz Receiver and M80 [Re: Boltron]
BlueJays1 Offline
connoisseur

Registered: 09/19/08
Posts: 4082
Loc: Porch,enjoying Bombay Sapphire
Originally Posted By: Boltron
Originally Posted By: BlueJays1
Bass management would be even more ideal. There is a lot of LFE and not to mention midbass content that is present in the M80's usable bandwidth.


Bass management!?, as in reduce the Bass!?! Heresy! Speak not of such things again!




Hahaha! Bass management in terms of setting a crossover on the loudspeaker to optimize its usable bandwidth.
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#383125 - 09/21/12 10:58 PM Re: Marantz Receiver and M80 [Re: Boltron]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10411
It would indeed be "interesting" if even the 4311 couldn't drive a 4ohm rated speaker, but that isn't the case. Less capable Denon models and similar models of other makes can and do drive the M80s without difficulty.

There doesn't appear to be an online 4311 lab report available, but the similar 4310 tested at over 200 watts into 4 ohms here .

It should be noted that any LFE in the movie wasn't reproduced by the M80s or powered by the 4311, but by the EP500 which handles the LFE channel, so any shutdown was due to other reasons. The maximum peak in other movie channels is 105dB, which would require about 100 watts, easily handled by the M80s and 4311.

Also, to clarify a point regarding the default higher impedance setting, the higher voltage output allows a higher power output(but still well within the speaker's power handling capacity)before possibly damaging clipping occurs. The default setting lessens the chance of the speaker being damaged.
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#383127 - 09/21/12 11:22 PM Re: Marantz Receiver and M80 [Re: Xiaomin]
Boltron Offline
veteran

Registered: 11/18/11
Posts: 171
Loc: Toronto
My fronts are set to Large and I have the Bass setting to LFE+Main. The Denon shutdown every time on large bass scenes. Of course I only tried it 2 or 3 times; I am not taking any chances with my stuff. I just switched the fronts back to small and bass to LFE. The funny thing was, that was just about the time Ian announced the new ADA amps. I had my order in soon after.

Yes, I do like my bass smile

Actually, I rarely play movies at really high levels anyway; the beauty of the system is that it still sounds great even at low volumes, which to me is even more impressive.

I can't wait till I replace my 10" Polk for a second EP500. Around Christmas I think, I even have a buyer for the Polk lined up:) I only wish it could have been an EP800 or two, but the wife does have her limits.
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