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#272565 - 09/16/09 07:24 AM Re: New M22 speakers.... break-in required? [Re: JohnK]
Murph Offline
axiomite

Registered: 10/05/06
Posts: 6730
Loc: PEI, Canada
Just a quick note to mention that somebody from Axiom did indeed chime in. Alan is an official representative for Axiom on these boards. While I don't believe he actually works at the factory he is often resourced for product testing. The flashy letter "A" above his name explains his always useful insight into their products and what he can't answer, he goes straight to the source for us.

And when you praise him up like this, he arranges to send you free speakers...........Wait, phone is ringing.................Ummmm, that was Alan. Ummm apparently you don't get free speakers and I must also refrain from asking if he has any hot daughters who are into Hi Fi.
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#272571 - 09/16/09 12:44 PM Re: New M22 speakers.... break-in required? [Re: bridgman]
fredk Offline
axiomite

Registered: 12/06/07
Posts: 7031
Loc: Canada
 Originally Posted By: bridgman
It's a fair question - anything with mating metal surfaces still seems to benefit from some kind of gentle break-in period

That reminds me of my introduciton to 'break-in' in the Auto industry during a tour of a Ford plant in the '70s. 20' of rubber off the end of the line and out the door. Another one gently broken in...
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#272574 - 09/16/09 01:32 PM Re: New M22 speakers.... break-in required? [Re: JohnK]
LT61 Offline
aficionado

Registered: 02/23/04
Posts: 836
Loc: Illinois.
I'll have to comment later.......after I find the time, to read through your review. ;\)
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#272627 - 09/17/09 01:51 PM Re: New M22 speakers.... break-in required? [Re: LT61]
SolidState Offline
veteran

Registered: 11/08/06
Posts: 124
I agree speaker break-in for the most part is BS but I can't help but wonder if the xover caps and inductors electrical properties somehow change and this is what people are perceiving? Audioholics did some tests on drivers basically proving driver changes are BS and the slight changes are only on the low end (did he test various sizes of drivers?). Thing is he didn't test a speaker with an xover only single drivers and none larger than 6.5". I have heard perceived break-in on a standalone LFE sub woofer that was noticeable but that sub at 15" has one huge spider. As for your full range loudspeakers with no drivers larger than 6", it's BS for the most part though again I can't help but wonder if the xover circuit's properties change somehow. Considering there is a plethora of cap materials/design I'm curious why someone hasn't tested the xovers to see if that's where these perceived changes are originating. A better test schedule would be test entire speaker as a system (xover, drivers and cab) then test individual drivers and then the xover components.

Solid-State

PS Cap break-in study


Edited by SolidState (09/17/09 01:59 PM)

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#272628 - 09/17/09 01:54 PM Re: New M22 speakers.... break-in required? [Re: SolidState]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13318
Loc: Iowa
They may change with age, but I'm sure it is not audible, but then again I like to just sit back, listen, and drink a cold one.
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#272629 - 09/17/09 02:23 PM Re: New M22 speakers.... break-in required? [Re: SirQuack]
fredk Offline
axiomite

Registered: 12/06/07
Posts: 7031
Loc: Canada
... and munch popcorn?
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#272631 - 09/17/09 02:28 PM Re: New M22 speakers.... break-in required? [Re: SirQuack]
SolidState Offline
veteran

Registered: 11/08/06
Posts: 124
Well I've been building my own speakers and xovers for about 6 months and I've replaced caps in my Butterworth (hate the +3dB but I'm not smart enough for a Linkwitz Riley... YET) and have noticed a cap with the same specs made of different materials sounds different. This is without break-in even and is known by any DIY EE people. These changes were confirmed with RTA.

Solid-State

PS This is why I was concerned about the Axiom xover in that horrible thread... I noticed that Ian added a high pass filter to the V2 mid. I'm also VERY CURIOUS why magnets are glued to the back of each driver... I have yet to hear an answer to that one!


Edited by SolidState (09/17/09 02:45 PM)

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#272633 - 09/17/09 02:44 PM Re: New M22 speakers.... break-in required? [Re: SolidState]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13318
Loc: Iowa
u got me, I've got more important things to worry about, like making beer and wine. \:\)
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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#272634 - 09/17/09 02:52 PM Re: New M22 speakers.... break-in required? [Re: SirQuack]
SolidState Offline
veteran

Registered: 11/08/06
Posts: 124
You guys are all so passionate about audio as is attest-able on the form posts. Don't any of you have a curiosity to try to understand this stuff? It's really not as complicated as you would think. Yeah the math can be tough but software is available these days that can help you bigtime. The more I've learned about this stuff the more I realize how hard it is to make a speaker that performs like the Axioms at their price point! It's one hell of an accomplishment! That's for dam sure...

Solid-State


Edited by SolidState (09/17/09 03:02 PM)

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#272635 - 09/17/09 03:11 PM Re: New M22 speakers.... break-in required? [Re: SolidState]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3448
Loc: Western Maryland, USA
 Originally Posted By: SolidState
I'm also VERY CURIOUS why magnets are glued to the back of each driver... I have yet to hear an answer to that one!

Probably because you have half the forum ignoring you...

The reason for the magnets is to cancel the stray field for placement on/near a CRT display.

P.S. They're called "bucking magnets".


Edited by ClubNeon (09/17/09 03:21 PM)
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