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#394700 - 06/30/13 11:03 AM Re: How to crank M80's [Re: huskydave]
J. B. Offline
connoisseur

Registered: 01/19/11
Posts: 1274
Loc: Quebec, Canada
the distance between front M80s and my ears is about 7 ft;
and between the front M80s and the SPL meter is about 6 ft.
All measurements are +- 1 inch.

I'll let you calculate the conversions.

the second photo from the top of this page will give you
an idea of the distances:
http://www.blu-ray.com/community/gallery.php?member=Gelli
or in the axiom gallery, "HT room".

when i took this photo, the camera lens was exactly at eye position.


Edited by J. B. (06/30/13 11:05 AM)
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#394826 - 07/03/13 09:40 AM Re: How to crank M80's [Re: chesseroo]
J. B. Offline
connoisseur

Registered: 01/19/11
Posts: 1274
Loc: Quebec, Canada
Originally Posted By: chesseroo
Originally Posted By: J. B.
sitting at the usual listening distance on an armrest.


Can you define your usual sitting distance?
The dB measures need to be quantified with that measure otherwise at 1m i would say ho hum but at 20m i would say, holy crap on a cracker.



chesseroo, what would you say now that i've given you the details you asked for?
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#395002 - 07/09/13 10:58 PM Re: How to crank M80's [Re: huskydave]
chesseroo Offline
connoisseur

Registered: 05/13/02
Posts: 4855
Loc: western canada
I would say feasible.
My measures with the M60s were at 10 to 12 feet (don't exactly recall now) and i pushed them with an AVR at the time (now i can use a dedicated amp if i choose).
So, M80s, larger speaker, plus closer distance to measure by half, and discrete amp, i can see the possibility of those SPLs being attained.
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#395007 - 07/10/13 06:22 AM Re: How to crank M80's [Re: huskydave]
J. B. Offline
connoisseur

Registered: 01/19/11
Posts: 1274
Loc: Quebec, Canada
i must say that those SPLs of mine have been taken while all speakers were active: 7.1 (minus a center front which i don't use).

also, the SPL meter used is a semi-pro model that is user calibrated.
the numbers i gave for wattage were much more approximations.
a good meter to measure that is costly, so it's not worth it for me to buy.
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or: Axiom Gallery

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#395009 - 07/10/13 12:23 PM Re: How to crank M80's [Re: J. B.]
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16301
Loc: Leesburg, Virginia
Originally Posted By: J. B.
i must say that those SPLs of mine

<Axel>Whooahhh, oh oh, sweet SPLs of mine...</Axel>
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#395010 - 07/10/13 12:52 PM Re: How to crank M80's [Re: huskydave]
MarkSJohnson Offline
shareholder in the making

Registered: 09/27/04
Posts: 10969
Loc: Central NH
No go, Peter.

You didn't come off smelling like a Rose on that one.
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#395012 - 07/10/13 02:13 PM Re: How to crank M80's [Re: huskydave]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17811
Loc: NoVA
Not enough syllables.
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