
THE EFFECT DEVICES
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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 be-
low). 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 re-
sults if you turn off the LFO modulation in the device (turn LFO Mod Amount to
zero). For example, by controlling the delay parameter from a Matrix, you can cre-
ate “stepped flanger” effects, in sync with the tempo.
✪ 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 following:
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.
D When you are using a mono input and stereo outputs, there will only be a
stereo effect if the internal LFO is used.
If you turn LFO Mod Amount to zero, both stereo outputs will carry the same signal
(mono). This is because the “fake stereo” effect is produced by inverting the mod-
ulation for one of the output channels.
Tip: Using the CF-101 as a vibrato effect
The Send mode is intended for when using the CF-101 as a send effect. In this mode,
the device will only output the modulated delay signal - you get the actual “chorusing”
by mixing this signal with the dry, unprocessed signal in the Mixer.
However, if you activate Send mode while using the device as an insert effect, the re-
sult will be a pitch modulated version of the original sound - in short, a vibrato effect.
Along with a little feedback, this can be used for special effects.
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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 effect. Turning this to
the extreme left (negative feedback) or right (positive feedback) pro-
duces 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 acti-
vated, 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 ef-
fect, you should turn this off - the device will then output a mix of the
dry signal and the modulated delay signal.
If you use the device as a send effect, you should activate Send
mode. Then, the device will only output the modulated delay 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 vi-
brato effect!
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