How from wall for M80s ?
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Joined: Oct 2006
Posts: 375
devotee
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OP
devotee
Joined: Oct 2006
Posts: 375 |
For the obsessed tweakers out there.. after you spent countless hours moving your speakers by increments of 1/8 of an inch in every direction listening to your reference material until you found nirvana, what is the optimal space from the back wall and side wall for the M80 speakers ?
Acoustic Zen Adagio, Veritas center, Axiom EP500, QS8s, Anthem AVM20, MC20,Adcom GFA7400
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Re: How from wall for M80s ?
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Joined: Dec 2008
Posts: 6,928
axiomite
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axiomite
Joined: Dec 2008
Posts: 6,928 |
Everyone's room is different, shape, size, flooring, furniture, curtains ect. My left M80 is sitting in front of an opening to the breakfast area, and the right is halfway in front of a walkout to the hallway, so I guess technically they are sitting between 5 and 10 ft in front of the walls behind them, lol!
Half of communication is listening. You can't listen with your mouth.
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Re: How from wall for M80s ?
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
Joined: May 2003
Posts: 18,044 |
About as far out as I left it after my son pushed it around.
Oh wait, this thread isn't for me, is it...
I am the Doctor, and THIS... is my SPOON!
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Re: How from wall for M80s ?
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Joined: Jan 2004
Posts: 13,840 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,840 Likes: 13 |
There is no one hard fast rule, every room is different. You want the drivers at different distances from the side and front wall. Also, you need to have the speakers out enough to allow the bass ports to filter into the room.
I think I have about 8" of room behind my 80's.
M80s VP180 4xM22ow 4xM3ic EP600 2xEP350 AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85
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Re: How from wall for M80s ?
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Joined: Feb 2008
Posts: 859
aficionado
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aficionado
Joined: Feb 2008
Posts: 859 |
As has been said, no room is the same. Mine are currently 14 inches from the back of the cabinet to the wall. Distance from the side walls can also come into play for best performance. One of mine is 22 inches from wall and the other is 30 inches. I put little carpet sliders under each rubber foot to move them around easier. Seems to be a never ending quest to find that perfect position.
Last edited by merchman; 10/28/09 11:17 PM.
M80's(2), VP150, QS8's(2), M3's(4)
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Re: How from wall for M80s ?
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Joined: Jun 2003
Posts: 6,833
axiomite
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axiomite
Joined: Jun 2003
Posts: 6,833 |
I have mine 48" from the back wall (measured to the front baffle)
Rick
"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud
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Re: How from wall for M80s ?
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Joined: Nov 2008
Posts: 1,789
connoisseur
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connoisseur
Joined: Nov 2008
Posts: 1,789 |
I have mine 48" from the back wall (measured to the front baffle)
That's interesting, I measure mine from the rear of the speaker. Mine are 19 inches from the rear wall, 68 inches from the outer wall, and 30 inches from the closet wall. As others have said, every room is different, but my measurements are correct!
My Stuff :
M80's QS8's VP150 EP800 Denon 4802 Emotiva XPA-3 Samsung BD-P3600 Sharp 65 Inch Aquos LCD
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Re: How from wall for M80s ?
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Joined: Jun 2003
Posts: 6,833
axiomite
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axiomite
Joined: Jun 2003
Posts: 6,833 |
When measuring distances of the speaker to the back wall it should be measured from the wall to the front of the speaker (baffle)
JohnK brought this to my attention a while back.
Rick
"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud
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Re: How from wall for M80s
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Joined: May 2002
Posts: 10,654
shareholder in the making
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shareholder in the making
Joined: May 2002
Posts: 10,654 |
Yes, Micah; as Rick commented, it's the distance from the center of the mid-woofer cones to the nearest room surfaces that determines the extent of boundary effects on frequency response. The distance to the back of the speaker enclosure isn't of any particular significance(except that at least a few inches of "breathing room" should be given to a rear port).
As has also been mentioned, the distances from the cone centers to the floor and two walls should be kept unequal so that the boundary effects don't pile up at one frequency.
-----------------------------------
Enjoy the music, not the equipment.
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Re: How from wall for M80s
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Joined: Nov 2008
Posts: 1,789
connoisseur
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connoisseur
Joined: Nov 2008
Posts: 1,789 |
Ok, so when you guys posted that you set your speakers 24 inches out from the wall, you were measuring from the front of the speaker? That makes a bit more sense to me now. Wow so your only out 7 1/2 inches from the rear of the speaker then? That is a big difference indeed, as mine are out 19 inches from the rear and 36 inches from the front!
My Stuff :
M80's QS8's VP150 EP800 Denon 4802 Emotiva XPA-3 Samsung BD-P3600 Sharp 65 Inch Aquos LCD
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