Specifications

Chapter 58: Reel Tape Flanger 285
Flange Range settings within the narrow center
band around “zero” simulate tape flanging, with
a phase cancellation effect as the variable delay
crosses the “zero” point.
ADT (Artificial Double Tracking) Range settings
outside the narrow center band simulate artifi-
cial double tracking, in which the variable delay
does not cross the “zero” point. This varying de-
lay creates a unique doubling effect, essentially
an analog precursor to chorusing. (You can hear
ADT-type effects on many classic analog record-
ings, such as those of the Beatles or Led Zeppe-
lin.)
Feedback
The Feedback control adds a short delay to the
flanged signal. Feedback amount is adjustable
from 0 to 100 percent, with a default value of 0
percent. (This is not the same feedback effect as
on an electronic flanger or delay.
Wow/Flutter
The Wow/Flutter control adjusts the amplitude
of the variable delay tape machine’s wow and
flutter, or the amount of fluctuation in tape
speed. A higher setting results in wider fluctua-
tions in speed. A lower setting results in nar-
rower fluctuations in speed. Wow/Flutter is ad-
justable from 0 to 1 percent, with a default value
of 0.03 percent.
Rate
The LFO Rate control adjusts the rate of change
in the variable delay. A higher setting results in
faster fluctuations in speed. A lower setting re-
sults in slower fluctuations in speed. LFO Rate is
adjustable from 0.05 Hz to 5 Hz, with a default
setting of 0.14 Hz.
You can set the LFO Rate control to synchronize
to the tempo of the current Pro Tools session.
See “Synchronizing Reel Tape Flanger to Session
Tempo” on page 286.
Depth
The LFO Depth control adjusts the amplitude of
the change in variable delay. A higher setting re-
sults in wider fluctuations in speed. A lower set-
ting results in narrower fluctuations in speed.
LFO Depth is adjustable from 0 to 100 percent,
with a default value of 65 percent.
Operation with “Flange” Range setting (no offset)
Operation with “ADT” Range setting (positive offset)
When the LFO Depth control is set to zero,
you can still achieve a “manual” flanging or
ADT effect by varying the Range control.
zero point
LFO Depth
LFO Rate
+20 ms
-20 ms
zero point
LFO Depth
LFO Rate