
SUBTRACTOR SYNTHESIZER
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➜ 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 fre-
quencies are not affected. Each slope in this filter type has a 12 dB/Oc-
tave 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.
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