User Manual

Table Of Contents
SUBTRACTOR SYNTHESIZER
620
12 dB Lowpass (LP 12)
This type of lowpass filter is also widely used in analog synthesizers (Oberheim, early Korg synths etc.). It has a
gentler slope (12 dB/Octave), leaving more of the harmonics in the filtered sound compared to the LP 24 filter.
The darker curve illustrates the roll-off curve of the 12dB Lowpass Filter. The lighter curve in the middle represents the filter
characteristic when the Resonance parameter is raised.
Bandpass (BP 12)
A bandpass filter cuts both high and low frequencies, while midrange frequencies are not affected. Each slope in
this filter type has a 12 dB/Octave roll-off.
The darker curve illustrates the roll-off curve of the Bandpass Filter. The lighter curve in the middle represents the filter
characteristic when the Resonance parameter is raised.