TS-12 Musician’s Manual Section 7 — Effect Parameters
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56 EQ- -VIBRATO + DELAY
EQ- -VIBRATO + DELAY combines an EQ and a vibrato effect (a pitch shifter modulating over a
very small range), with a digital delay. Many vintage guitar amplifiers offered a vibrato control,
but don’t feel that this effect is limited to guitar sounds, try this with other sources as well. There
is a sample & hold parameter that doesn’t hold the instantaneous pitch shift, but if set properly
will provide a “chirping” effect when acting on the input signal.
EQ- -VIBRATO + DELAY Signal Routing
EQ
R
EQ
L
Main
Outputs
EchoDelay
Vibrato
Vibrato
Delay Regen
Echo
Level
EQ Trim
FX-1 Left
FX-2 Left
FX-1 Right
FX-2 Right
The signal enters a programmable EQ, which is preceded by an input level trim (EQ TRIM). The
signal is then routed to the vibrato. The vibrato is routed directly to the output. The vibrato also
passes through the delay which is then regenerated back into the delay. A different delay signal
is routed to the output on the right side. This constitutes a “ping-pong” delay effect. The delay
REGEN parameter between the delay sends controls the delay feedback amount. There are also
two echoes that are sent to the left and right outputs respectively. The signal from the two echoes
has one level control. There is also an external dry signal (not shown) that goes directly from the
input to the Main Output (DRY). The EFFECT MIX FX-1 and FX-2 parameters can be routed into
the effect with different Dry/Wet mixes.
VIBRATO RATE Range: 00 to 99
Sets the amount of modulation. Higher values create a faster vibrating rate.
WIDTH Range: 00 to 99
This parameter sets the width (adjusts the amount) of the modulation.
S/H RATE Range: 000 to 100
Controls the sample rate of a sample and hold network. This is applied to the LFO within the
vibrato. When in hold (low values), it causes rhythmic chirps in the pitch of the audio signal.
Higher values will increase the number of holds per second, making the vibrato flow more
smoothly. The sample and hold function is turned off when set to 000.
L/R LFO Range: OUT-OF-PHASE or IN-PHASE
Controls the vibrato pitch direction of the left and right channels. When OUT-OF-PHASE, the
quadrature pitch change on the left channel will lag 90˚ from the right. When IN-PHASE, both
channels will change pitch together.
DELAY - REGEN Range: -99 to +99
Controls the amount of positive or negative feedback applied to the regenerated delay. The sign
of the value determines the polarity of the feedback. A value of +00 will eliminate any feedback.
Controls both left and right levels.
TIME L Range: 0000 to 1500 msec
Controls the time delay on the left regenerated delay.
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