>The surround is very stiff which explaned the
>Name "Super Fast Deep Bass". What this means is that
>the woofer has a very quick recoivery time and will
>produce a better quality of bass that is crisp and
>not muddy. Precise reproduction of bass, not a
>blending of notes that happens when a woofer hasn't
>had time to recover, M & K's design quickens that
>recovery time and provides for a cleaner sound.
I'm sorry, but that sounds like rubbish marketing-speak to me. Anytime you hear anyone talk of "fast bass", you can immediately assume that they're likely talking rubbish - as there is no such thing.
In technical terms, if the M&K design is an acoustic suspension alignment (as most sealed alignments are), the compliance of the design is determined primarily by the enclosed volume, NOT the suspension (which, even in the case of free-air systems, accounts for usually only 20% of the total compliance). And it's the overal 'Q' of the system that determines how it responds to transients.
Do you have an estimate for the driver's Xmax? The other T/S parameters suggest a sealed alignment (except for Fs, which seems a little high, and Vas, which is missing, LOL). F3 for an optimum sealed alignment will be around 47 Hz, which is quite high and doesn't really qualify as a "subwoofer" IMO (maybe that's what they meant by "fast bass" - the absence of any bass below 40 Hz :-)). Of course, if you plan to use some sort of active filtering to boost the low end, that may not matter.
What size is the cabinet? What's the Vas of the driver? How many driver cutouts are there in the cabinet?
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