ART Pro Audio Quadra/Fx - Two Channel Effects Processor - Manual (Page 32)

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Gated classes contain an auxiliary gate to create “ducking” effects. On reverbs, this class allows for
forward/reverse gated reverb with no decay tail.
Ambient classes contain some stereo special effects that are not available in Discrete 4 (mono) routing. The
Ambient Delay simulates “mic. placement” or “listener location” images and Ambient Reverb creates early-
reflection spaces.
Dynamic classes modify certain parameters based on the Quadra/FX’s input level. For example, a Dynamic
Reverb varies the algorithm’s decay time in response to the input signal level. On swept effects, this class
produces triggered sweeps based on input level. The Dynamic Pitch Transposer creates a level dependent
pitch-glide effect, called Whammit!.
DESCRIPTION OF EFFECTS AND THEIR PARAMETERS
Common Parameters
The following parameters are available in every effect and consist of Mix, Low EQ, and High EQ.
Mix
This parameter sets the ratio of unprocessed (dry) sound to processed (wet) sound. Each
effect has a Mix control with a range from 0 to 100 (0 = all dry, 100 = all wet). Pushing the
Bypass switch is the equivalent of turning the Mix control to 0. If Dry Kill is active, the MIX
control will set the total output level of the Quadra/FX. (For information on Dry Kill, see page
10.) For example, if Dry Kill is active and MIX is set to 0, no sound will come from the unit. Conversely, if Dry Kill is
active and MIX is set to 100, the highest effect output level is achieved.
Low EQ
Each effect has a user adjustable low equalization control that is inline with the processed (wet) signal. It has a
maximum bass boost/cut amount of ±15 dB (in 1-dB steps) and is musically balanced with variable frequency points
and a constant slope. The boost characteristics of this curve favorably compensate for typical bass losses within
audio systems (see the graph on the next page).