Posted by hitsware [ 76.105.43.164 ] on January 04, 2009 at 21:47:26:
In Reply to: Electro-mechanical formulas ( Thiele / Small ) posted by Wayne Parham on January 04, 2009 at 19:31:33:
I have a Woofer Tester for drivers in hand,
but am trying to develope a crude system
for deriving ballpark T/S (Fs,Qts,Vas) parameters from
the data given by ceiling speaker makers.
For instance:
http://www.miscospeakers.com/Upload/pdf/KC620W-B%20Lit.pdf
http://www.quamspeakers.com/documents/techspec/QUAM_0201_8C10FECO.pdf
Obviously the first has more to work with.
Unfortunately the second is more typical.
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