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#200147 - 03/12/08 09:20 PM Re: A1400-8 [Re: rmk1]
RickF Offline
axiomite

Registered: 02/26/05
Posts: 5210
Loc: Vero Beach, Florida
 Originally Posted By: rmk1
 Originally Posted By: Mojo
I love the way Axiom markets products. They'll intentionally design a new product with a "bug" that has seemingly endless engineering implications, deliver a few hoping that someone discovers it, wait until everyone in the world hears about it over the net and then magically release the solution pleasing all owners thereby converting them into Axiom heralds. It's brilliant \:\) !


Do you work for Axiom? Director of Marketing perhaps?
Talk about shameless self promotion.


I've often wondered that very thought myself.
_________________________
Rick
Our Room

smile

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#200180 - 03/13/08 09:53 AM Re: A1400-8 [Re: EFalardeau]
rmk1 Offline
buff

Registered: 10/02/05
Posts: 46
Loc: Northern Calif
 Originally Posted By: EFalardeau
Actually, John meant me and the 805! \:\)
There might be some built-in limits when Audessey is used in an integrated receiver as to not overload its specified limits.


Thank you for the clarification. So just to be clear on this, you have run the Audyssey EQ on your 805 while connected to the A1400-8 with no issues correct? How many LP's did you run it for and have you repeated the overall process, or only run it once?
Thanks again,
Rob

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#200184 - 03/13/08 10:31 AM Re: A1400-8 [Re: rmk1]
EFalardeau Offline
connoisseur

Registered: 08/27/07
Posts: 3270
Loc: Laval, Quebec, Canada
Yes, I ran the Audyssey EQ with my 805 connected to A1400 connected to 7 speakers (8 counting double center ion parallel). It was a single pass (3 seats).

The only reason why I did it (I never like the result of auto-eq) is that after having to move my right M80 closer to the side wall---it was then 12"/12" with a fairly strong toe-in---it felt like a booming hump in the bass. To make sure I was not hallucinating, I ran the auto-eq and the problem disappeared (but then the sound was just off... not to say awfull). I then reset the parameters and tried some manual EQ.

As soon as I confirmed that my ears were not deceiving me (and that they was something wrong at around 90hz), I solved the problem by moving changing the angle with the corner of my right M80---now 9.5"/13" with a less toe-in---until the bass sounded right again. After that, reset everything to normal, confirm with SPL in hand, and voilà! great sound again! \:\)
_________________________
E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
Audiobytes! 2M22! 2VP150!

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#200201 - 03/13/08 12:54 PM Re: A1400-8 [Re: EFalardeau]
rmk1 Offline
buff

Registered: 10/02/05
Posts: 46
Loc: Northern Calif
 Originally Posted By: EFalardeau
Yes, I ran the Audyssey EQ with my 805 connected to A1400 connected to 7 speakers (8 counting double center ion parallel). It was a single pass (3 seats).

The only reason why I did it (I never like the result of auto-eq) is that after having to move my right M80 closer to the side wall---it was then 12"/12" with a fairly strong toe-in---it felt like a booming hump in the bass. To make sure I was not hallucinating, I ran the auto-eq and the problem disappeared (but then the sound was just off... not to say awfull). I then reset the parameters and tried some manual EQ.

As soon as I confirmed that my ears were not deceiving me (and that they was something wrong at around 90hz), I solved the problem by moving changing the angle with the corner of my right M80---now 9.5"/13" with a less toe-in---until the bass sounded right again. After that, reset everything to normal, confirm with SPL in hand, and voilà! great sound again! \:\)



Thank you for the detailed reply. This certainly lends some credence to your theory that there is some form of limiter for the AVR units that does not exist for the SSP’s. Of course that assumes that Audyssey is the cause of my blown channels in the first place.

Not sure that all this speculation and conjecture is productive but heck we are hobbyists and that sort of comes with the job, doesn’t it. ;\)



Edited by rmk1 (03/13/08 12:55 PM)

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#200218 - 03/13/08 03:08 PM Re: A1400-8 [Re: rmk1]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10398
Loc: Calgary, Alberta
 Originally Posted By: rmk1


Not sure that all this speculation and conjecture is productive but heck we are hobbyists and that sort of comes with the job, doesn’t it. ;\)
It at least makes for good reading.
_________________________
Jason
-----------------
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My HT

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#200236 - 03/13/08 05:16 PM Re: A1400-8 [Re: Mojo]
jakeman Offline
aficionado

Registered: 10/03/05
Posts: 852
Loc: Toronto
Well not exactly, Tex. \:\) I like to keep it simple and usually lump audio irregularities into either of two broad categories, physical (ie FR) and time domains(ie phase). Yes most can be expressed as functions of the other but for purposes of a discussion of equalization and acoustics its hard to correct one without damaging the other. That's why after a point applying more equalization to get the flattest FR curve actually sounds worse since phase anomalies are increasingly audible.

Those Audessey programs not only mess up phase but they also don't provide the smoothest response. In fact most of the time they make the 400hz and lower zone less linear. Behringer specifically warns about this in the literature accompanying their equalizers. Funny how Audessey never mentions it.

On your Axiom marketing conspiracy theory... ...just about every product these days has glitches, right? Not that makes it acceptable, but it does reinforce the importance of excellent service in whatever gear you buy these days.
_________________________
John

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#200239 - 03/13/08 05:29 PM Re: A1400-8 [Re: jakeman]
RickF Offline
axiomite

Registered: 02/26/05
Posts: 5210
Loc: Vero Beach, Florida
Still in Sanibel John?
_________________________
Rick
Our Room

smile

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#200243 - 03/13/08 05:57 PM Re: A1400-8 [Re: jakeman]
Dundas Offline
old hand

Registered: 03/02/08
Posts: 71
Loc: Hamilton
 Originally Posted By: jakeman
I like to keep it simple and usually lump audio irregularities into either of two broad categories, physical (ie FR) and time domains(ie phase). Yes most can be expressed as functions of the other but for purposes of a discussion of equalization and acoustics its hard to correct one without damaging the other. That's why after a point applying more equalization to get the flattest FR curve actually sounds worse since phase anomalies are increasingly audible.

Those Audessey programs not only mess up phase but they also don't provide the smoothest response. In fact most of the time they make the 400hz and lower zone less linear. Behringer specifically warns about this in the literature accompanying their equalizers. Funny how Audessey never mentions it.


OK, I think we're pretty clear on your opinion on Audyssey (2 Ys 1 E). Now about the problem with the A1400-8 and whether I should buy one....

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#200244 - 03/13/08 06:07 PM Re: A1400-8 [Re: RickF]
jakeman Offline
aficionado

Registered: 10/03/05
Posts: 852
Loc: Toronto
I am Rick. I'll be here until Mar. 23. How far are you from Sanibel? It would be nice to get together.
_________________________
John

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#200246 - 03/13/08 06:12 PM Re: A1400-8 [Re: Dundas]
jakeman Offline
aficionado

Registered: 10/03/05
Posts: 852
Loc: Toronto
Only you can decide that one. Hamilton is only 3 hours from Dwight. If I was in your position, I'd take the drive, audition it and get the answers in person from the folks at Axiom also check out the alternatives. Having had the privilege of getting to know them over the last few years, I can tell you they are about as pleasant, honest and fine a group as I've met at any audio company. \:\)
_________________________
John

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