Samson TM300 owner manual Using the Internal Digital Signal Processor DSP

Using the Internal Digital Signal Processor (DSP)

	DSP
ENGLISH	0
	VOCAL
	+10
	REV TO AUX 1
	L HALL
	S HALL
	ON

DSP Controls

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.

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