|Chip Amps Amplifiers based on integrated circuits|
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|17th March 2005, 09:18 AM||#1|
Check filter Schema Please
This is my first active filter design for subwoofer.
I`m a beginner so could you guys check is it ok.
Chip OPA 2134
VOLUME is Rod Elliotts design
IC1A normal butterworth high pass 7.4Hz (DC protection)
IC3B variable gain from Linkwitz
IC3A Linkwitz transform
IC1B normal variable butterworth lowpass (12db)
IC2A and IC2B is variable phase from Rod Elliott
output R11 is to compensate cables capasitance.
C10 10pF (IC2B) is for preventing oscillation.
Please help beginner and check this schema.
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