Been looking for a nice 10" coax, but there are very few on the market...seem to go from 8s to 12s and skip over the 10s. Eminence, Radian, Ciare, and Beyma seem to have them. Just odd that BMS (who has no 10s), 18Sound, B&C, P.Audio, etc don't make them...I know B&C has some in the older catalogs, but nothing current.
The Radian is also available in a high-Q version for open baffles from Hawthorne Audio:
Sterling Silver Iris OB 10 Coaxial Unit [SSI-OB-10]
And a much less expensive Eminince-built 10" coax from Hawthorne:
Silver Iris OB 10 Coaxial Unit [SI-OB-10]
I've heard neither myself.
Bill
To answer the OP, I think it's because the coax is used two different ways. One as a stand alone unit where smaller than a 12" woofer might not be up to the job and secondly used with a back-up woofer where they can take advantage of the smaller cone for break up reasons and not have to worry about bottom extension.
My 2¢
My 2¢
Winslow. Not sure about the oem's reasoning in their product lines. I hazard a guess that there is a point of diminishing return on shoehorning (haha) the horn into the magnetic assembly of the bass driver.
Ultimately the bass driver needs to be reasonably matched to the horn. If you need to add in an extra bass driver for the low end, what is the benefit of using a coax driver?
Anyway...
I have a pair of beyma 10xc25 coax drivers that are in the queue to be played with. Initial tests show that (as with every other beyma spec I have verified) the published response is remarkably close to actual. Happy to share as I progress though this will be a background task.
Ultimately the bass driver needs to be reasonably matched to the horn. If you need to add in an extra bass driver for the low end, what is the benefit of using a coax driver?
Anyway...
I have a pair of beyma 10xc25 coax drivers that are in the queue to be played with. Initial tests show that (as with every other beyma spec I have verified) the published response is remarkably close to actual. Happy to share as I progress though this will be a background task.
Googlyone, that would be incredible.
I am a bit skeptical on the radians...curves are too smooth to believe and the published numbers on the woofers are a bit different than what I've seen tested. And the eminence isn't received that well. How is the Hawthorne different than the beta 10?
Why not a 12? The physically won't fit. Wish they would though.
I am a bit skeptical on the radians...curves are too smooth to believe and the published numbers on the woofers are a bit different than what I've seen tested. And the eminence isn't received that well. How is the Hawthorne different than the beta 10?
Why not a 12? The physically won't fit. Wish they would though.
http://profesional.beyma.com/ingles/pdf/10XC25.pdf
But comparing web prices it seems Beyma drivers cost a lot more in the US than in Europe.
This one costs £140 in the UK.
But comparing web prices it seems Beyma drivers cost a lot more in the US than in Europe.
This one costs £140 in the UK.
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I don't know all of the changes between the two, but the main one is that the Beta has a Qts of .38, the Hawthorne is .68. All of Hawthornes stuff is intended for open baffle use, the higher Q is intended to extend the response in OB.
Bill
Here is one from Ciare.
http://oem.ciare.com/pdf_oriz.php?info=377
I have the lower sensitivity version:
http://www.ciare.com/pdf/catalogo/HX255.PDF
The tweeter response is quite easy to get flat (if you sacrifice pro SPL capability).
http://oem.ciare.com/pdf_oriz.php?info=377
I have the lower sensitivity version:
http://www.ciare.com/pdf/catalogo/HX255.PDF
The tweeter response is quite easy to get flat (if you sacrifice pro SPL capability).
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