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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: RE: Your list of most influential/important speaker DESIGNERS? posted by J. Phelan on May 15, 2015 at 15:13:24:
Important and innovative, sure, but not really "influential" because nobody else seems to be using his ultra-steep passive filters approach. I think Joseph Audio has exclusive rights to this tech, at least for the time being. Of course, similar slopes can be achieved actively with DSP.
Good call on Bell Labs -- both Butterworth and Zobel worked there. Bell's research early on was all about speech intelligibility, but the work on passive filters majorly influenced speaker design later on.
Linkwitz derived the transfer functions that bear his name from cascaded Butterworth filters, sure, but he also described in greater detail than anyone before the on/off axis lobing effects of different transfer functions and orders.
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Follow Ups
- I think Modaferri's xo still protected by patent? - Brian H P 09:38:39 05/19/15 (0)
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