TS-12 Musician’s Manual Section 7 — Effect Parameters
21
50 EQ- -CHORUS + EQ- -DDL
EQ- -CHORUS + EQ- -DDL combines an EQ and a chorus, with an EQ and a digital delay. This is
the industry standard chorus effect, designed with very long delays to provide a modulated
detune effect. This algorithm sounds great with a guitar sound, but try it with any source!
EQ- -CHORUS + EQ- -DDL Signal Routing
FX-1 Left
FX-2 Left
FX-1 Right
FX-2 Right
Echo Level
EQ
R
Chorus
EQ
L
Main
Outputs
Chorus
(Delay)
Regen Control
Input Level Trim
Echo
The signal enters a programmable EQ, which is preceded by an input level trim (EQ TRIM). The
signal is then routed to the chorus which is heard directly at the output. There is also a delayed
unchorused signal (sharing the same delay lines) that is routed back into the chorus. There is also
a second signal from the delay line that is routed to the right side. There are two discrete echo
times tapped out before the chorus delay line. These are unchorused echoes. The signal from the
echoes is routed directly to the outputs. There is also a dry signal (not shown) that goes directly
from the input to the Main Output (DRY). The EFFECT MIX FX-1 and FX-2 CHORUS parameters
can be routed into the effect with different Dry/Wet mixes.
CHORUS CENTER Range: 00 to 99
Controls the nominal delay time of the chorus about which the delay modulation occurs.
Adjusting this parameter will change the tonal character of the effect. This delay time is not
related to the regen delays or the echo delays.
RATE Range: 00 to 99
Controls the rate of pitch modulation which is the chorus. To achieve chorusing, this rate must
be very slow.
WIDTH Range: 00 to 99
Controls the excursion of pitch modulation. Since the rate is usually very slow, then the width is
usually very large.
L/R LFO Range: OUT-OF-PHASE or IN-PHASE
When this parameter is IN-PHASE, the left and right choruses will modulate their detunes
together. When set to OUT-OF-PHASE, the detune on the left channel will go up while the
detune on the right will go down.
DELAY - REGEN Range: -99 to +99
Controls the amount of regeneration applied to the delay time taps. The sign of the value
determines the polarity of the regen.
TIME (L and R) Ranges: 0000 to 1500 msec
These parameters control the time delay for the left and right channel regen delay, and have
nothing to do with the chorus effect.
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