The Filters Section/Menu
The Filters section receives the signal from the Oscillators section (whether that be one oscillator or all
three) and allows that signal to be shaped. The signal can be shaped by a High-pass (where low frequencies
can be removed), Low-pass (where high frequencies can be removed) or Band-pass (where only a small band
of frequencies remains) filter. To select the filter type, press the right hand button, and then adjust the filter
using the remaining controls as follows:
Frequency – sets the cut-off frequency of the high/low-pass filter or the centre frequency of the band-pass filter
Tracking – sets the amount that the resonance of the filter follows the pitch of the key being pressed. At 0,
the resonance will always have the same character
Resonance – sets the level of resonance (overtones/harmonics) of the filter. Increasing this value adds
character to the sound
Overdrive – increases the filter Overdrive, making the sound richer and more distorted
Mod Env Depth – sets the amount that the Filter Frequency is modulated by the Modulation Envelope in
either direction. A level of 0 will have no effect
LFO2 Depth – sets the amount that the Filter Frequency is modulated by LFO2
The remaining Filter controls are adjusted in the Filter Menu, accessed by pressing the Menus/Audio button
(so that the lower LED lights) followed by the button above ‘filter’. Once in the Filter Menu, use the page
up/down buttons next to the LCD scr
een to cycle thr
ough the following pages, using the data encoder to
change the settings for each page:
FIL
T Shape –
changes the shape of the Filter to incr
ease the amount of distortion and harmonics
FILT Velocity – sets how much velocity controls the Filter Frequency. A negative value makes the frequency
decr
ease with increased velocity, whereas a positive value has the opposite effect. Increase the value in
either direction to increase the effect
FILT Q Normalise – sets the amount of resonance normalisation. At 0, the signal will remain at normal level
when resonance is applied. Increasing the value, makes the signal level reduce in relation to the resonance
Filter Frequency when LED
1 is active and Tracking
w
hen LED 2 is active
Press to switch between a
1
2dB and 24dB Filter Slope
F
ilter Resonance when LED 1 is active
a
nd Overdrive when LED 2 is active
F
ilter Mod Env Depth when
L
ED 1 is active and LFO 2
D
epth when LED 2 is active
Press to switch the Filter
T
ype between Low-pass,
B
and-pass and High-pass
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