[sdiy] Re: moog high pass

[Karl Dalen]

 --- mark verbos <mverbos at earthlink.net> skrev: > so? invert the output
then, after the summing stage.
> 
> what does it matter?

I think Magnus has a point here, it just changes sign, so it does
matter it dont work. As i have understand it to get a real HP filter
one either needs to "process the input signal" either by
removing frequencis, e.g. the shore/osamu design or the
OBI Xpander design, in both cases non uses phase cancelation
of a clean input signal.So it dosent matter if i invert the
input signal or the LP signal and sum them together.
 
> or invert the LP filtered signal before the summing.
> 
> mark

KD

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