Reference Guide
133
Reference Guide
Effect
Parameters
4
Phaser
These are two-channel stereo phase shifters. Using delay and phase changes, they produce a
modulation effect that is clearer than chorus or flanger. These effects are especially suitable for
electric piano and guitar. Chorus and flanger produce their effects by modulating the delay time.
However, phasers, modulate the phase of the input signal, creating an effect that has a different
character to that of chorus or flanger.
32: Stereo Phaser 1
33: Stereo Phaser 2
For effects 32 and 33, dynamic modulation (16C) can be used to control the Mod Speed.
LCD Parameter Range Description
17A Manual (Manual) 0–99
The central frequency around which phase shifting is
concentrated
17B
Mod Depth (Mod) 0–99 Modulation depth
Mod Speed (M.SPO.) 0.03–30 Hz Modulation speed
17C
Feedback (FB) –99…+99%
The amount of phased signal that is fed back into the effect.
Minus values invert the feedback signal phase
Mod Waveform
Sine (SIN)
Triangle (TRI)
Modulation waveform
In Phaser 1, the left channel modulation
signal is in phase and the right channel
modulation signal is out of phase. This
produces a wide stereo phaser effect.
Left
Phaser
Right
Mix
Mix
Phaser
Mod
This stereo effect contains two phasers.
In-phase modulation is fed to both channels.
Left
Phaser
Right
Mix
Mix
Phaser
Mod
17A Phaser 1 ø
Manual=99
17A
17B
17C Phaser 1
FB+75 SIN
17C
17B Phaser 1 ø
Mod60 M.SP0.69Hz
ø
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