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#393483 - 05/27/13 09:41 PM Re: Dual centers [Re: brwsaw]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1095


I like the idea.
I wonder if it will work.
I did scale a different stand than the one I'm currently using but I've seen it and know it would work if the center wasn't to be placed in it.


Edited by brwsaw (05/27/13 09:44 PM)
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#393487 - 05/27/13 10:44 PM Re: Dual centers [Re: brwsaw]
JohnK Online   content
shareholder in the making

Registered: 05/11/02
Posts: 10406
Of course it'll "work", within the inherent limits of the arrangement. As compared to using the M80 mains to carry the center channel material in a "phantom center" setup, placing two M80s(or other speakers)directly alongside the screen for center channel speakers has several effects. The center channel volume can be increased independently of the mains since different speakers are carrying it. The center channel image would be exactly centered for someone directly in the middle between them. As the listener would move to the side, so would the center channel image move with him, but not farther out than the center speaker on that side.
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#393492 - 05/27/13 11:35 PM Re: Dual centers [Re: brwsaw]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1095
So in theory this could provide 2 sweet spots on the love seat?
Could it also provide better imaging for seats below the QS's?
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#393497 - 05/27/13 11:50 PM Re: Dual centers [Re: brwsaw]
JohnK Online   content
shareholder in the making

Registered: 05/11/02
Posts: 10406
Not really two "sweet spots". A single center channel speaker keeps the center material imaged directly in the middle of the screen, regardless of whether the listener is off to the side. Using two separated(sidewise)center speakers keeps the image in front of the listener who's off to the side, but it's no longer in the center of the screen where the voices etc., are generally supposed to be coming from, so that probably shouldn't be termed listening in the sweet spot.
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#393498 - 05/27/13 11:57 PM Re: Dual centers [Re: brwsaw]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1095
I think I'll try it on my next 2 day weekend.
Might wait until my QS8's arrive and add my first banana plugs into the mix.
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#393499 - 05/28/13 12:36 AM Re: Dual centers [Re: brwsaw]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1095
Nope.
Just ruled it out.
Won't even bother trying dual M80's.
Sat down to watch TV and two things happened.
I opened the cabinet door and hit my left tower. I forgot I had changed the toe-in on a whim last night.
Second, when I turned on the Simpsons (no longer broadcast in surround on Fox) Homer was planted in my right tower. My right tower is 4' from the center of the screen.
It won't work.
Now...dual QS4's are still on the auditioning block.


Edited by brwsaw (05/28/13 12:37 AM)
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#393588 - 05/31/13 12:49 AM Re: Dual centers [Re: brwsaw]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1095
I hate to say it but the idea of using dual M80's for the center channel got to me.
I will take the doors off the cabinet just to try it out.
Only harm will be if I waste a couple hours swapping them back and forth.
Two day weekend coming up in 3 weeks.
Stay tuned.
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#393590 - 05/31/13 11:07 AM Re: Dual centers [Re: brwsaw]
casey01 Offline
aficionado

Registered: 07/03/08
Posts: 768
Loc: Toronto
Originally Posted By: brwsaw
I hate to say it but the idea of using dual M80's for the center channel got to me.
I will take the doors off the cabinet just to try it out.
Only harm will be if I waste a couple hours swapping them back and forth.
Two day weekend coming up in 3 weeks.
Stay tuned.


I think this is an arrangement that many of us(space and pocketbook notwithstanding) would love to have. If you have either one or in your case, two M80's as center channels along with L/R M80s, you will get that perfect timbre match in the front sound stage that is just not possible with any horizontal center. Also the vertical speakers will give you a truer wider angle of dispersion so toed-in in such a manner to hit all the angles it should sound just fine.

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#393591 - 05/31/13 11:10 AM Re: Dual centers [Re: casey01]
MarkSJohnson Offline
shareholder in the making

Registered: 09/27/04
Posts: 10942
Loc: Central NH
Originally Posted By: casey01
you will get that perfect timbre match in the front sound stage


I don't disagree that identical speakers across the front are the ideal situation, but remember that even identical speakers can, and likely will, have a slight timbre different due to positioning within the room.
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#393604 - 05/31/13 09:00 PM Re: Dual centers [Re: brwsaw]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1095
Timbre!!
Might have to call in sick on Monday.
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