Seas L26RFX/P (H1209) encosure...

CBC · 6th April 2005, 03:09 PM

Hello,

I plan to purcahse this driver, therefore I have some questions
regarding relevant enclosure as well as bass tuning in general.

AFAIK Seas suggests a 65 l enclosure (instead od 50 l - they
oviously bear in mind the R of the voice coil), I plan to use L26
with a coil that has 0.426 DC resistance, would in this case such
65 l be enough?

What would be better for enclosure - a "matrix" like enclosure
or the one that doesn't have any parallel walls?

What about EBS alignemnt for L26 instead od QB4 ? My room is
32 sq meters. What's the difference in impulse and group delay
between QB4 and EBS?

Thanks,

CBC

David Gatti · 7th April 2005, 12:00 AM

At low frequencies enclosure rigidity is your number one priority.
Non-parallel walls isn't really necessary until above 400Hz or so where standing waves could develop, and then you can damp them with internal stuffing. Definitely go for the matrix.
I suggest you download Unibox & do some simulations.
David

6th April 2005, 03:09 PM	#1
CBC diyAudio Member Join Date: Apr 2005 Location: Cracow, Poland	Seas L26RFX/P (H1209) encosure... Hello, I plan to purcahse this driver, therefore I have some questions regarding relevant enclosure as well as bass tuning in general. AFAIK Seas suggests a 65 l enclosure (instead od 50 l - they oviously bear in mind the R of the voice coil), I plan to use L26 with a coil that has 0.426 DC resistance, would in this case such 65 l be enough? What would be better for enclosure - a "matrix" like enclosure or the one that doesn't have any parallel walls? What about EBS alignemnt for L26 instead od QB4 ? My room is 32 sq meters. What's the difference in impulse and group delay between QB4 and EBS? Thanks, CBC

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7th April 2005, 12:00 AM	#2
David Gatti diyAudio Member Join Date: Mar 2004 Location: Melbourne, Australia	At low frequencies enclosure rigidity is your number one priority. Non-parallel walls isn't really necessary until above 400Hz or so where standing waves could develop, and then you can damp them with internal stuffing. Definitely go for the matrix. I suggest you download Unibox & do some simulations. David

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