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I am building a new sound room and am going to use a pair of PHY KM30 SAG drivers in an infinite baffle. The speakers will be mounted in a wall with a 600 cubic foot space behind them. From what I have been able to figure out, this should work well.
I am planning to use a product called Durisol to build the partition wall. This is a concrete/fiber mixture that is sold in block forms like cinder blocks. It is VERY inert and should not have a problem with flexing or sound transmission. I am going to mount the drivers on bronze panels that will be built into the wall.
Since Durisol comes in depths of 6" to 14" and 24" widths, I am thinking of using the 6" material to finish the walls inside my new room, making the sound room very tight and non resonant. The infinite baffle is a different problem.
Is there any particular reason the infinite baffle itself needs to be lined with the Durisol material or will something less fancy work? The space is about 600 cubic feet in size and will probably have to be air conditioned to protect the drivers from heat as I live in South Louisiana.
The listening room will be air conditioned as well, so ambient noise won't be a problem.
Never having played with an infinite baffle before, does ths sound like it will work?
Follow Ups:
for many years. As I cant afford a room big enough to make them sing.
Edits: 03/14/15
Check the link first, it's better to ask PHY for the details.
Good luck,
Hakan
Link:
dipole electrostatics in. Seriously.
Far more accurate and musically precise. IF you need even louder deep bass than the bass enhanced larger versions, add some long-throw high-Q large-frame > /= to 15" bass drivers running from below 40Hz.
But, don't high pass filter the QUADs.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
stack 'em!
Big J
"... only a very few individuals understand as yet that personal salvation is a contradiction in terms."
two point sources per channel?think, and then think again.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
Edits: 03/02/15
Besides, your imaging needs and experience aside, this is a perfectly serviceable solution and recommendation that has suited better ears than yours or mine. And there's nothing absolute in matters of taste, dear sir.
Big J
"... only a very few individuals understand as yet that personal salvation is a contradiction in terms."
How the hell can you know that?
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
that it's not proven nor provable. Just kicking up audiophile dust! That said, I know my hearing has turned out to have been decent over the years and so I've given up wondering whether I need to prove it or not. And you seem to know your beans.
Big J
"... only a very few individuals understand as yet that personal salvation is a contradiction in terms."
whole design idea of a phase and time coherent point-source? So, why not use 57s?
I've heard 3 pairs of 57s stacked vertically in an arc, as well as the usual two pairs in an arc.
The best was 2 pairs in a double-width panel per side and from floor to ceiling angled back and with a Decca horn in the middle at ear height. With 15" dipole subs top and bottom. 5 amps per channel and 1st order PLL crossovers except for the LP to the subs which was active 4th, no HP on the QUADs. Subs were eq'd 1/3rd octave.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
Big J
"... only a very few individuals understand as yet that personal salvation is a contradiction in terms."
Sounds like you put a lot of thought into your project. You are talking about a lot of weight and construction--- you better be VERY sure that the sound you get is what you will be happy with for a long time.
What happens if you change your mind or not totally happy with the sound ?
Are you making provisions for subwoofers ? Unless the 600cu.ft. is "dead" space, that is a lot of space to give up IMHO. Good luck with your project !!!
I'm not too worried about liking or not liking the sound. The Phy drivers are from a pair of Musical Affairs speakers that I already own, so I am quite familiar with how they sound.
The infinite baffle space is actually a 5 x 15 x 8 foot storage space at the rear of the structure that will be used for storing storm shutters and Christmas stuff, so the space won't be wasted. All I have to do is install an airtight door.
hi
i remember Peter Daniel from audiosector using the Fertin fullrange drivers in infinite baffles with very good results .
The 'enclosure' should not need it.
While an infinite baffle is quite an effective approach for sub woofing,
especially with drivers in an opposed reaction-formation plenum,
This PHY driver does not merit use in such an application. Sure, it needs
a large volume, but not 600 cubic feet for the pair.
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