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#278143 - 11/08/09 06:40 PM M80 Placement
donlboy Offline
buff

Registered: 11/08/09
Posts: 41
I am planning a new room with a 65" plasma and an Epic 80-500. My question concerns spacing of the M80s from the rear wall. I would prefer putting them as close to the wall as possible to keep them and the VP150 from intruding into the room too far. Does anyone have real-life experience on this with M80s? Would using absorber on the wall behind the speakers (I have used OC 703 before) allow closer placement? I'm interested in good sound, but want to keep the speakers back if possible.
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#278146 - 11/08/09 06:58 PM Re: M80 Placement [Re: donlboy]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13579
Loc: Iowa
The rear ports need to have breathing room to let the low frequencies flow into the room. I use 703 for corner bass traps and first reflection panels. You would not want to put them behind the speakers, the would deaden/suckup even more bass which is the opposite of what you want.

I would say if you space them 4-6" at a minimum you will be fine.
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AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB SonyUBPX800



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#278179 - 11/09/09 03:39 AM Re: M80 Placement [Re: SirQuack]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10415
Loc: Calgary, Alberta
I ran mine about 3" inches away and didn't find them to be too boomy, they were also corner loaded which should have really added to the effect.

I would simply try them where you want and see if the sound is acceptable, then move them away an inch or so at a time and see if the sound changes enough to justify having them farther out from the wall.
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Jason
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#278214 - 11/09/09 11:13 AM Re: M80 Placement [Re: jakewash]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3466
Loc: Western Maryland, USA
Another thing to keep in mind: You don't want the face of the VP150 to be in the same plane with the video display either. Having the speaker slightly forward will minimize reflections off the large, flat screen. So if you can stand to have the M80s out a bit from the wall, pull the VP150 out so it's face is even with the M80s also.
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Sony PS4, surround backs
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#278234 - 11/09/09 01:00 PM Re: M80 Placement [Re: ClubNeon]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13579
Loc: Iowa
Actually, it is best to have a slight arc, from the left-center-right speaker, gives you a much better sounds stage. The center channel should be slightly back from the mains.

_-_

Alan has mentioned this often.
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#278237 - 11/09/09 01:25 PM Re: M80 Placement [Re: SirQuack]
donlboy Offline
buff

Registered: 11/08/09
Posts: 41
Thanks, that's what I plan, the three front speakers in an arc so that they are equal distance from the center listening position. The surrounds (plan 5.1 using QS8s) will be equal distances from the listening position, but quite a bit further from it than the fronts are, but I assume I can dial that out in the receiver.
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#278240 - 11/09/09 01:37 PM Re: M80 Placement [Re: donlboy]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3466
Loc: Western Maryland, USA
That is best, the arc, but of course that'll have the M80s even farther into the room, which is why I didn't mention it.
_________________________
Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris

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#278321 - 11/09/09 06:05 PM Re: M80 Placement [Re: ClubNeon]
RickF Offline
axiomite

Registered: 02/26/05
Posts: 5210
Loc: Vero Beach, Florida
Our 150 is set back a little over 17" from the face of the 80s and properly calibrated for our room is -1db from the setting of the mains.
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Rick
Our Room

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#278431 - 11/10/09 10:07 AM Re: M80 Placement [Re: SirQuack]
HAY Offline
aficionado

Registered: 12/31/03
Posts: 725
Loc: Burlington, Ontario
So if one cannot accommodate the arc, would putting a time delay on the center achieve anything similar?
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M60 VP150 QS8
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#278434 - 11/10/09 10:10 AM Re: M80 Placement [Re: HAY]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13579
Loc: Iowa
hmm, that is a good question...
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