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In Reply to: RE: Beyma sm115/k as sub posted by KanedaK on June 07, 2017 at 15:22:10
This driver is really not designed for sub-woofer duties. I have noticed over the last several years, the term "sub-woofer" has lost it's original and true meaning. Also, it's now very common to simply use the shortened term, "sub". I have heard reference to a "sub" that is a .75 cubic foot box with a 6 inch driver, F^3 of 45 Hz, 80 db/w.
So, I thought to myself, how can I add value to this post ?
Please see the link for an article in Audio Magazine Aug-1976.
Follow Ups:
Well, it is indeed not a SUBwoofer in the "true" meaning of the word and won't give me the 20-35Hz band.
But I use it in a musical context to support a pair of bass horns dropping like stones under 60Hz. In that context, it is a subwoofer, and it has a lower FS than the vast majority of high sensitivity, high power 15inch drivers.
I also own a KEF TDM45B thx subwoofer whose plate amp died. That one is a sealed box, heavy diaphragm sub, and i couldn't yet find a replacement amplifier that fits - there must be some EQ involved. Without it it just sounds ridiculous. But I remember when it was working - heartshakibg bass indeed. Mostly useful for movies tho.
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