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<blockquote cite="mid:4CBF940A.7060201@gmx.net" type="cite"> It
shouldn't be too hard to do this integration with basic pole /
zero objects. A problem using integration only is the lack of
mechanical damping. A real speaker goes back to x=0 if no signal
is present. A simple integrator doesn't - so the 'simulated' cone
would just fly away slowly. So some damping should be included in
the integrator to make it stable. However I'm no expert on
designing filters yet...<br>
</blockquote>
[rpole~ 0.999] does it very well...<br>
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