DSM01 Curtis Filter
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Dave Smith's first Eurorack module is his true classic: the trademark low pass filter which has been used in the Sequential Circuit vintage synthesizers and still is used in Dave Smith Insturments' modern machines.
It is based on a Curtis integrated circuit and soundwise it's brash, saturated and powreful. The filter can be used in 12 or 24dB/octave slopes, in the latter setting it can oscillate. The boost switch activates overdrive for an even fatter sound.
Besides the filter function the module has a low-noise VCA after the filter. It's activity is displayed by a LED. One output provides you with the filtered signal only (pre VCA), the other one carries the VCA output.
