In Reply to: Duntech. Also some subwoofers from various brands. (nt) posted by dave789 on January 5, 2016 at 07:11:17:
No, Duntech is infinite baffle but not acoustic suspension.After a bit of thought some sub woofers may be acoustic suspension but, in a way by default, not because the designer wanted them to be acoustic suspension. The sub woofers in acoustically small boxes with an an equalized built in amp may be acoustic suspension. But the designer probably wasn't trying to do an acoustic suspension design but wanted a small box for sales appeal. Putting a driver in too small a closed box maymake the affect of the air in the box significant in returning the driver to its null position. In most cases this would probably end up a boom box with high -3dB point but equalization improves the Q(measure of damping) of the system and extends the bass to where the deigner wants.
Edits: 01/05/16
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Follow Ups
- RE: Duntech. Also some subwoofers from various brands. (nt) - hahax@verizon.net 12:14:59 01/05/16 (1)
- RE: Duntech. Also some subwoofers from various brands. (nt) - dave789 11:24:11 01/13/16 (0)