how to design a series tuned double bass reflex/ABC enclosure - diyAudio
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Old 1st May 2006, 01:47 PM   #1
Puggie is offline Puggie  United Kingdom
diyAudio Member
Join Date: Oct 2004
Default how to design a series tuned double bass reflex/ABC enclosure

I would like some pointers on how to design a 'series tuned double bass reflex' also known as 'ABC' box. The type of enclosure with the driver in a ported box, but the driver fires into free space and the port fires into another enclosure which is then ported into free space.

the MJK worksheets have a model for this type of enclosure but I would just like some pointers on where to start my design. I'm looking at using an old JBL gti sub with the following parameters:

Fs 37Hz
Vas 56.6l, 2.4CuFt
Qe 0.52
Qm 4.89
Qt 0.47
Xmax 11mm

any advice.
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