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Old Yesterday, 12:47 PM   #10901
the lorn teat flag is offline the lorn teat flag
diyAudio Member
Join Date: Apr 2015
Originally Posted by kaameelis View Post
AKABAK is little difficult to use without deep knowledge about it.
But seems it is only easily available BEM capable software for this purpose.
Hi kaameelis,

I agree with Bjørn, the new AkAbak version should be easier to use than ABEC or the old AkAbak especially as you don't have to define everything within a script.
I'm still using ABEC though ^^

If you give me the dimensions of your NX-Otica MTM and the T&S/ref of the driver, I can model it for you
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Old Yesterday, 02:53 PM   #10902
kaameelis is offline kaameelis  Estonia
diyAudio Member
Join Date: Jul 2004
Location: home
I not want directly simulate NX-Otica MTM, but make similar own, optimized for PTT6.5W08 - PURIFI where U-frame speaker must be able to reproduce range 100-1200 Hz.
Front panel is defined as 600x200 mm, between midranges must fit tweeter with height 200 mm Dayton Audio AMTPRO-4 AMT Tweeter
Left and right wall is better to be not parallel and can/must be asymmetric to distribute/scatter dipole peaks and dipole minimums in range 100-1200 Hz.
As is known, with U-frame is problematic to get flat response in wider range because dipole minimums and peaks what symmetric frame will create. Asymmetric baffle at least partially can avoid very big peaks and minimums.
Forgot about upper and lower walls, they must be parallel and must be both same size about 400x400 mm, there will be woofers located under and on top of mid u-frame.

Last edited by kaameelis; Yesterday at 03:07 PM.


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