User Manual

HALF-RACK EFFECTS
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CF-101 Chorus/Flanger
The CF-101 is a combined chorus and flanger effect. It adds depth and movement to the sound by adding a short
modulated delay to the audio signal. The delayed signal is then mixed with the original (either in the effect device or
manually by you - see below). The CF-101 can be used as an insert or send effect.
Parameters
CV Inputs
The following CV inputs are available on the back panel of the device:
D Delay CV.
Allows you to control the delay time from another device. This may give best results if you turn off the LFO modu-
lation in the device (turn LFO Mod Amount to zero). For example, by controlling the delay parameter from a Matrix,
you can create “stepped flanger” effects, in sync with the tempo.
q If you use the Delay CV input for “playing” the feedback tone, note that a higher delay value gives a lower
pitch.
D Rate CV.
Lets you control the rate of the modulating LFO from another device.
About Stereo and Mono connections
The CF-101 can be connected using mono or stereo inputs, as shown by the graphs on the back panel. Note the fol-
lowing:
D A “moving” stereo effect is only obtained when you use a mono input and stereo outputs.
With a stereo input, the two sides are processed in parallel, maintaining the stereo image of the original sound.
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Parameter
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Description
Delay This is a manual control for the delay time used to create the chorus/flanger effect. Usually, flanger-type effects use fairly
short delay times while chorus-type effects use medium long delays.
Feedback This governs the amount of effect signal fed back to the input, which in turn affects the intensity and character of the ef-
fect. Turning this to the extreme left (negative feedback) or right (positive feedback) produces different flanger effects
with a pronounced resonance “tone”, while keeping it in between produces a more gentle chorus effect.
LFO Rate This is the frequency of the LFO modulating the delay time. The higher the value, the faster the sound will oscillate.
LFO Sync This button lets you activate/deactivate LFO sync. When it is activated, the frequency of the LFO is synchronized to the
song tempo, in one of 16 possible time divisions. The LFO Rate knob is then used for setting the desired time division.
Turn the knob and check the tooltip for an indication of the time division.
LFO Mod Amount This determines the depth of the LFO modulation, i.e. by how much the delay time should be modulated. If you set this to
0, the effect will be “frozen” (most effective if you add some feedback).
Send Mode This determines whether the delayed signal and the dry signal should be mixed in the effect device or not. If you use CF-
101 as an insert effect, you should turn this off - the device will then output a mix of the dry signal and the modulated de-
lay signal.
If you use the device as a send effect, you should activate Send mode. Then, the device will only output the modulated de-
lay signal, allowing you to mix it with the dry signal using the AUX send controls in the mixer. See also the note below
about using the CF-101 as a vibrato effect!