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#384098 - 10/13/12 07:25 PM Re: Towers in 2100cu ft [Re: brwsaw]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
My m80s sounded awesome in my 12x 21x 8 room at my old house. I like them better in my larger living room at new house, but no problems in the smaller space
_________________________
-David

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#384101 - 10/13/12 08:19 PM Re: Towers in 2100cu ft [Re: Socketman]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1139
Originally Posted By: Socketman
Originally Posted By: brwsaw
Thanks.
I am second guessing towers.
Sounds like a pair of M22's and a VP150 are going to work.
I can always upgrade...


I did and you will lol grin My room = 14 x 10 with 2 m80's,M2's,QS4's and a center equivelant to the vp160 (homebuilt) 2 yamaha subs and it sounds excellent. I started with M2's and sub and ended up going the distance. QS8's from santa smile



Any regrets? Are you running them at 8 ohms?
_________________________
Early meal and its time to go visit.
Kids got spoiled.
Life is good.

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#384102 - 10/13/12 09:33 PM Re: Towers in 2100cu ft [Re: brwsaw]
Socketman Offline
connoisseur

Registered: 07/12/09
Posts: 1215
Loc: Whitehorse YT
Only regret is not getting them from the getgo. Not sure what you mean am i running them at 8 ohm. I use a denon 3311 with a emotiva xpa 3. The M80's are rated 4 ohm nominal but really have only a small 4 ohm dip. The impedence of a speaker is constantly changing and the M80's present no real problem for a quality amp even if is only rated at 8 ohm's. You have a small room and i seriously doubt you will have trouble driving the 80's to deafening levels. The emotiva came on sale and i just couldnt resist picking one up. I am very impulsive .)

http://www.axiomaudio.com/gallery_disp.html?image=M80-imp.gif&title=M80

richard

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#384106 - 10/13/12 11:10 PM Re: Towers in 2100cu ft [Re: Socketman]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1139
Originally Posted By: Socketman
Only regret is not getting them from the getgo. Not sure what you mean am i running them at 8 ohm. I use a denon 3311 with a emotiva xpa 3. The M80's are rated 4 ohm nominal but really have only a small 4 ohm dip. The impedence of a speaker is constantly changing and the M80's present no real problem for a quality amp even if is only rated at 8 ohm's. You have a small room and i seriously doubt you will have trouble driving the 80's to deafening levels. The emotiva came on sale and i just couldnt resist picking one up. I am very impulsive .)

http://www.axiomaudio.com/gallery_disp.html?image=M80-imp.gif&title=M80

richard



I'm thinking the same thing (buy now instead of later) but I don't want to wreck them at 8 ohms before I use their full potential in a dedicated theater.
_________________________
Early meal and its time to go visit.
Kids got spoiled.
Life is good.

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#384113 - 10/14/12 08:24 AM Re: Towers in 2100cu ft [Re: brwsaw]
Ken.C Online   content
shareholder in the making

Registered: 05/03/03
Posts: 17811
Loc: NoVA
You are way too obsessed with ohms. Impedance, measured in ohms, is a property of the speaker itself, not of the amplifier. It is roughly analogous to resistance, and it varies with the frequency a speaker is playing at.

Some receivers and amplifiers have problems with lower (say, 4 ohm) resistances. Some of those (and some that don't have problems at normal settings) have a switch between 4 and 8 ohms or 4 and 6 ohms. Setting that switch to 4 ohms severely limits the power of the amplifier, which can actually damage the speaker. Therefore, you should never set the amplifier to the lower (non-normal) setting.

I have run my M80s just fine on a 75wpc receiver set to 8 ohms and now with a 140 wpc receiver set to 6 ohms.

You won't wreck the speakers unless you force the receiver into clipping by playing it at a higher level than it can handle. Fortunately, you are extremely unlikely to approach this level.
_________________________
I am the Doctor, and THIS... is my SPOON!

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#384123 - 10/14/12 10:35 AM Re: Towers in 2100cu ft [Re: brwsaw]
Adrian Offline
axiomite

Registered: 12/27/08
Posts: 6624
Loc: It's all about the location.
To add to Ken's advice re ohms....your sub will be picking up the lower freq's as well, where some of the "dipping to 4 ohms" occurs. You should leave your receiver at 8 ohms, Denons, HK's and Onkyo's should have NO trouble driving the M80s at reasonable levels. M80s are actually easier to power than the M22's, btw.
_________________________
Half of communication is listening. You can't listen with your mouth.

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#384132 - 10/14/12 11:23 AM Re: Towers in 2100cu ft [Re: Adrian]
brwsaw Offline
connoisseur

Registered: 10/12/12
Posts: 1139
Thanks for confirming.
_________________________
Early meal and its time to go visit.
Kids got spoiled.
Life is good.

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#384138 - 10/14/12 12:46 PM Re: Towers in 2100cu ft [Re: Ken.C]
Gary Vose Sr Offline
devotee

Registered: 03/17/12
Posts: 302
Loc: Casa Grande, AZ
Originally Posted By: Ken.C
I have run my M80s just fine on a 75wpc receiver set to 8 ohms and now with a 140 wpc receiver set to 6 ohms.


Ken, as a side note I would be very interested in knowing the difference in the sound you had experienced going from the lesser receiver to the more formidable receiver; especially for movies.

I ask because in my future set-up I was going with separates along with a pre/pro. Financial reasons, along with doing the video side as well (at, or maybe just after completing the audio set-up) has got me re-thinking. I'm now going with a receiver that puts out 145w per channel with two channels driven. I also will be incorporating M80's into my 9.2 set-up.
_________________________
"When arguing with an IDIOT... make sure the person you're talking to... isn't doing the same."

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#384139 - 10/14/12 12:58 PM Re: Towers in 2100cu ft [Re: brwsaw]
Ken.C Online   content
shareholder in the making

Registered: 05/03/03
Posts: 17811
Loc: NoVA
Gary, I honestly don't stress my system enough to give you a good estimate. In other words, I haven't really noticed a difference. Probably more of a difference in the auto calibration than doing it by hand.
_________________________
I am the Doctor, and THIS... is my SPOON!

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