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There’s probably no better way to enhance audio than with the judicious use of effects
such as reverb and echo. The TM300 has its own built-in Digital Signal Processor (DSP)
chip which provides three high-quality preset reverberation (“reverb”) effects.
As discussed in the “Using The Aux Sends and Returns” section on page 20 in this
manual, each TM300 channel has its own discrete Aux Send 2 knob. This allows effects
to be applied only to certain signals and not just to the overall mix (applying effects to the
overall mix could make for a muddy sound). As each channel’s Aux Send 2 knob is
turned clockwise, signal from that channel is routed increasingly to the internal DSP (if
the DSP On/Off switch (see #18 on page 8) is pressed in [“on”]). Note that the TM300’s
master Aux Send 2 Level knob (#10 on page 7) sets the overall amount of level being
routed to the internal DSP. For best signal-to-noise ratio, you should use the master
Aux Send 2 Level knob and the channel Aux Send 2 knobs to drive the DSP as hot as
possible, short of overloading it.
To return signal from the internal DSP, use the Aux Return 2 knob in the TM300 main
section (see #9 on page 7) to set the amount of “wet,” processed signal you want to have
added to the overall mix. (Note: this knob sets the amount of signal returning from the
Aux Return 2 jacks instead when the DSP On/Off switch is off). When set to the fully
counterclockwise (“∞”) position, no signal is returned from the DSP, so you’ll hear only
“dry” signal. Turning the Aux Return 2 knob clockwise will cause more and more DSP
(“wet”) signal to be added to the overall mix. When set to the fully clockwise (“+10”)
position, the wet signal is boosted by 10 dB. Wet signal is returning at unity gain (that is,
with no boost or attenuation) when the knob set to the “0” position.
The Rev To Aux 1 Level control (see #16 on page 7) is used to return signal from the
internal DSP to onstage monitors or headphones connected to the Aux Send 1 jacks
(when operating the TM300 in standard stereo configuration) or to the right speaker
outputs (when operating the TM300 in “split mono” configuration—that is, when the
Aux 1 / Monitor switch is pressed in [see #19 on page 8]). See the “Using Aux Sends
and Returns” section on page 20 in this manual for more information.
The TM300 provides three preset reverb effects. As its name implies, the “VOCAL”
preset is designed specifically to enhance the sound of vocals, though it can also be
used to add extra body to instrument sounds. Large Hall (“L HALL”) is a digital
representation of a large hall and Small Hall (“S HALL”) is a digital representation of a
small hall, allowing you to place your performance in a sizable or intimate acoustic
space.
Using the Internal Digital Signal Processor (DSP)
0
REV TO AUX 1
+10
VOCAL
L HALL
S HALL
ON
DSP
DSP Controls
ENGLISH