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Speaker orientation (and a couple misc questions)
#297355 03/19/10 04:38 PM
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I'm 99% sure I'm going to get some M22s for my study. (Got my son some M3s and I loved those.) It's a smaller room, ~14x13; so if that's not a good mix I'd be interested in hearing so.

But my real question is, is there any harm in installing them high, tilting them sideways, and angling them down? I'm really crunched for space in this room, and that would be my easist option.

One more question, I was planning on setting the crossover at 90 or 100hz, just based on the freq resp graph. But I really don't know what I'm doing, is that a good decision. (I currently have a really low end sub in this room; but I figure it's better than not using one.)

Re: Speaker orientation (and a couple misc questions)
Cork #297361 03/19/10 05:03 PM
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Never heard them personally, but that seems like a reasonable assumption. I'd try both and see which sounds better.

FWIW, I've been considering getting a pair of M22's as my back surrounds in a 7.1 setup, and would probably cross them over at 100Hz.

Re: Speaker orientation (and a couple misc questions)
#297363 03/19/10 05:24 PM
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Hi Cork, the M22's are probably the best bang-per-$$ in Axiom's lineup by most accounts, I think you'd love them from what owners have said about them on these forums. The only thing I'd be wary of is laying them on their sides, generally this is not a good idea as it affects the dispersion characteristics of the speaker. Some of the M22 owners will probably be along to add there 2 clams.....


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Re: Speaker orientation (and a couple misc questions)
Cork #297368 03/19/10 05:48 PM
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 Originally Posted By: Cork
I'm 99% sure I'm going to get some M22s for my study. (Got my son some M3s and I loved those.) It's a smaller room, ~14x13; so if that's not a good mix I'd be interested in hearing so.


Don't know if you are afraid of overpowering a small room...but don't be if this is your fear. I have M22s in a room smaller than yours (11 X 13 X 7.5) and I never feel that I have "too much" speaker in the room.

Can't tell you about the horizontal orientation, as that never crossed my mind...but, like stated above, I've heard that the correct characteristics and dispersion of the M22 depends heavily upon vertical orientation.

I also am not sure why you would be wanting to crossover at such a high frequency. I believe that 80Hz is recommended by Axiom. My Denon AVR (1910) wants to set the crossover at 40Hz during automated setup...so I think that you should get a good response out of the M22s down to at least 80Hz.

One thing that I have learned is that sometimes it is better to have no subwoofer at all than a really cheap one. Once I moved away from my 8-inch $90 Sony sub (ah...those were the days \:\) ) to the Axiom EP350, I realized just how horrible, bloated, and inaccurate cheap bass is. I would much rather have no "low end" at all than have to listen to that crappy booming again.

Re: Speaker orientation (and a couple misc questions)
Cork #297370 03/19/10 05:57 PM
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 Originally Posted By: Cork
I'm 99% sure I'm going to get some M22s for my study. (Got my son some M3s and I loved those.) It's a smaller room, ~14x13; so if that's not a good mix I'd be interested in hearing so.


Congrats on the decision. M22's are the best bang-for-the-buck speakers that Axiom makes (IMHO, of course). They'll be brilliant in a room that size. My M22's are currently in a room that's about 14x16, and they do a marvelous job at filling that room with glorious sound.

 Originally Posted By: Cork

But my real question is, is there any harm in installing them high, tilting them sideways, and angling them down? I'm really crunched for space in this room, and that would be my easist option.

You won't damage the speakers by mounting them in an unorthodox manner. I mean, unless of course you drop one. M22's are kind of heavy. If you're using a bracket system, make sure it's sturdy and screwed into studs.

Acoustically speaking, it shouldn't be a problem to mount them upright but angled down. But you may degrade the SQ a bit by mounting them sideways. I know that Axiom has said that it's not a good idea to place their non-center speakers on their side, as it affects the dispersion characteristics of the tweeter. It doesn't mean they'll sound BAD, just less than optimal.

 Originally Posted By: Cork

One more question, I was planning on setting the crossover at 90 or 100hz, just based on the freq resp graph. But I really don't know what I'm doing, is that a good decision. (I currently have a really low end sub in this room; but I figure it's better than not using one.)


If your receiver have some sort of automatic setup feature (Audyssey, MCACC), then it will figure out the crossover on its own. If not, 100hz is a good crossover for M22's. I run my M22's full range now (2.0 system), but when they were in my 5.1 room, I used 100hz.


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Re: Speaker orientation (and a couple misc questions)
PeterChenoweth #297386 03/19/10 07:54 PM
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I went ahead and purchased the M22s. Thanks guys.

I won't put them on the side, but it seems you think angled down is okay - which will work well enough.

It looks like I won't be using a crossover at all, as my receiver doesn't support the sub on the B channel. The sub isn't "bad" (I'm never unnaturally conscious of the sub), which is a good thing; it's just not that great. The satellites that came with it *are* really bad though.

I was proposing 90/100 because that's where the freq resp graph showed the rolloff for the M22. As it works out, my receiver recommends 100hz for this size speaker 4-5.5. My receiver is a few years old and doesn't have an auto calibrate.

Re: Speaker orientation (and a couple misc questions)
Cork #297388 03/19/10 08:08 PM
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Congrats Cork, I'm sure you'll enjoy them.


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Re: Speaker orientation (and a couple misc questions)
Adrian #297404 03/19/10 09:02 PM
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Well, if you're not using a sub, there's no harm in setting them as large and letting them handle everything. I think that Peter (pmbuko) discovered that there was some pretty good bass out of them when mounted on the wall.


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Re: Speaker orientation (and a couple misc questions)
Cork #297438 03/20/10 01:47 AM
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Cork, welcome. Keep in mind that the Axiom graph is an anechoic one and isn't accurate below about 90Hz due to the size of the wedges in the measuring chamber. That sharp roll-off shown doesn't reflect results in a typical room. My M22s have good in-room response to well below 90Hz and a crossover at 80Hz works very well.


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Re: Speaker orientation (and a couple misc questions)
Ken.C #297441 03/20/10 01:54 AM
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 Originally Posted By: kcarlile
Well, if you're not using a sub, there's no harm in setting them as large and letting them handle everything. I think that Peter (pmbuko) discovered that there was some pretty good bass out of them when mounted on the wall.


I have mine on the back wall right now as surround back speakers and the auto-setup on my Onkyo keeps setting them to 40Hz when near the wall. So like Ken suggests if you can play around with positioning I’m sure you can get them to go lower with more authority.


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