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| Date: |
January 22, 2008 at 12:42:20 |
| From: |
Luigisdad, [cpe-76-170-22-12.socal.res.rr.com] |
| Subject: |
M&K DIY Subwoofer -- MPS-5320SFBF |
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URL: http://web.archive.org/web/20070220031401/www.mkprofessional.com/mps5320.htm |
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Hi:
I'm about to start on a DIY M&K Subwoofer project for a MPS-5320SFBF.
I bought the cabinet from a surplus dealer and I'll be using an older Yamaha amp.
Here are the specs on the 2 12 inch drivers:
In speaking with Miller and Kreisel, (M & K) I was told that the woofers were designed to work in a sealed cabinet and that perofmance could suffer if used in a ported enclousure. In examing the speaker it was found to be pretty heavy, right at 9 pounds and fitted with a pair of magnets for greater efficency, the SPL is at 90 db at 1 meter at 1 watt. 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. Oh, power handling is 250 Watts RMS...
Taking it into the lab I got these specs...
Revc = 7.4440 ohms
Fs = 33.57 Hz.
Zmax = 223.52 ohms
Ro = 40.408 ohms
F0 = 27.861 ohms
F1 = 40.118 ohms
Fmin = 124.205 Hz
Qes = 0.5179
Qms = 14.7085
Qts = 0.5003
Le = 1.8035 mH ( at 1 kHz )
Impedance is 8 ohms
Power Handling is 250 watts RMS
Any suggestions on alternative (or better) drivers than these that are similar in specs?
Thank you very much.
Roy
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