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Old 15th May 2004, 10:09 AM   #11
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Quote:
Originally posted by officeboy
Well my example shows the basic layout of a second order high and low pass, the lowpass is the only part that is setup right (it's the middle section), and at those values it will crossover at about 115hz.[/url]
Hm, well, I know how to make them. I've got schematics for both active & passive crossovers, but I was afraid they might change the gain/input impedance of the opamp. You say that is not the case? Not even with a passive crossover? I'd set the high pass to 15-20Hz & the low pass to 20-25Khz, just to get rid of stuff that shouldn't be in the audio signal anyway.
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