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Re: speaker/biamp crossovers

Posted by beermanpete@socal.rr.com (A) on February 1, 2006 at 19:20:14

In Reply to: speaker/biamp crossovers posted by commonmode@earthlink.net on January 26, 2006 at 21:13:34:

Active filters do not normally use inductors. The gain of the active circuitry is used to yield the same effect.

Normally once the part values for a given impedance and cut-off ar known you can scale the parts fo another impedance or frequency in a linear fashion.

The first step is to characterize the existing passive network to determine the cut-off and slope. Once that is known you can beging to design the active filters.

Look for these two books on the subject:

Active Filter Cookbook
Don Lancaster
SAMS
ISBN 0-672-21168-8

The Active Filter Handbook
Frank P. Tedeschi
Tab Books Inc.
ISBN 0-8306-1133-9

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