[sdiy] Re: moog high pass

[Paul Perry]

At 11:48 AM 30/07/03 +0200, Theo H wrote:
>- The production model Voyager has HP, earlier prototype had not.
> -Simple as in adding inverted LP filter output to input signal to get HP.
>Takes about one opamp and 3 resistors.
>

Is it really that simple?
Granted, you would get a low pass filter this way.
But, I doubt it would sound anything like, for example, the 
patented Moog ladder high pass.
Because, the artifacts would be completely unalike.
In an ideal, distortion free, filter, then I agree.

paul perry (Melbourne Australia)