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#77460 - 01/17/05 11:30 AM sibilance
asher770 Offline
buff

Registered: 06/01/04
Posts: 54
I remember there being a thread about sibilance on Axiom speakers somewhere in this forum.I really never gave much thought about this,but once it was brought to my attention ,I started listening for it.I found that when listining to fm on my M80's through my HK reciever that there was a pronounced sibilance any time a "S" was encountered.Is this a speaker problem or the quality of fm broadcasts? Now that I am aware of this sibilance it can be quite annoying and I find myself using the treble control when I listin to fm.


Edited by asher770 (01/17/05 11:33 AM)

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#77461 - 01/17/05 11:46 AM Re: sibilance
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 18044
Loc: NoVA
Dollars to donuts, it's the broadcast, especially if you don't hear it from CDs, DVDs, etc.
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#77462 - 01/17/05 05:07 PM Re: sibilance
asher770 Offline
buff

Registered: 06/01/04
Posts: 54
When I hooked up a pair of AR9's there was absolutly no sibilance in any mode.Is it possible that due to the M80's "clarity" or "brightnes" (depending on your point of view)that i'm getting this sibilance?

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#77463 - 01/17/05 05:17 PM Re: sibilance
Ken.C Offline
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Registered: 05/03/03
Posts: 18044
Loc: NoVA
That would be my wager. Axioms can be pretty unforgiving (at least the M2/22/60/80 line).
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#77464 - 01/17/05 10:13 PM Re: sibilance
Michael_A Offline
devotee

Registered: 02/07/04
Posts: 418
Play with the speaker positions a little. Toe in /out & distance from the wall behind them. My 60s did this after I bumped one of them and ended up with one being toed in, and one toed out. Of course, there was overall change in sound in general as well, but the sibilance was the most obvious difference, followed by the dissappearance of any imaging at all.

Are you getting good imaging?
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M- M60s/VP150/QS8s/SVS PC-Ultra/HK630 Sit down. Shut up. Listen.

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#77465 - 01/17/05 10:38 PM Re: sibilance
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13565
Loc: Iowa
Oh no, not another sibilance thread

So I don't have to look it up in the dictionary or do a Google search, what is sibilance. I thought I was picky...
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#77466 - 01/18/05 12:29 AM Re: sibilance
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 6026
Loc: Bowmanville, Ontario, Canada
Think sssssssssssssssssssssibilance and you'll get the idea. I don't know what the actual cause is, but the effect is artificial emphasis of "s" sounds. The normal test for a sound system is to say "sibilance" several times into the microphone, maybe that's where the word came from.
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Idle: M2ti, M3v4, VP100
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#77467 - 01/18/05 10:53 AM Re: sibilance
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13565
Loc: Iowa
Probably like the rainbow affect for DLP projector's, some people see it, but most people do not...
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M80s-VP180-4xM22ow-4xM3ic-EP600-2xEP350
Anthem AVM60 Outlaw 7700 Emotiva A500 Epson 5040UB



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#77468 - 01/18/05 03:03 PM Re: sibilance
spiroh Offline
veteran

Registered: 01/06/05
Posts: 123
Loc: Chicago, IL
In my past experiences with car audio, I can tell you that if you have forward sounding speakers that happent to be detailed a poor recording will sound sibilant. That was the case with my Focals that I had in my car. Listening to te M80s though on CDs, there was no hint of sibilance whatsoever.

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#77469 - 01/19/05 08:09 AM Re: sibilance
asher770 Offline
buff

Registered: 06/01/04
Posts: 54
In answer to Micael's questions, my speakers are not toed in or out.They are facing straight out.I am getting good lateral imaging but practically no depth.Due to the shape of my listining room my speakers are placed assymetrically.I am assuming that that's why I am not getting much depth.I have tried toing both in and out but that hasn't done anything to get rid of the sibilance or helped the depth issue.


Edited by asher770 (01/19/05 08:14 AM)

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