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Applications
Front-of-house
The GEQ's filters have been carefully selected to allow subtle tonal correction with a
minimum of ripple between adjacent bands. At the same time, the proportional-Q
nature of the filters ensures that, in the event of acoustic feedback, a tightly-focused
cut response is instantly available just by moving the fader. Range switching between
± 12dB or ± 6dB, together with the on-screen faders, provides superb control
resolution and excellent visibility of control settings. The sweepable high and low pass
filters allow the frequency extremes to be matched to the capabilities of the
loudspeaker system in use, leaving all the graphic EQ faders available for acoustic
management of the music. Twin sweepable notch filters provide excellent suppression
of room resonances with minimum impact on the program material. Positive in/out
switching for filters is combined with illuminated LEDs for instant "at a glance" status
indication.
Monitors
The design of the GEQ's filters, with carefully selected proportional-Q responses,
ensures that problem frequencies can be attenuated quickly and effectively. The
on-screen faders allow excellent control resolution, even when using all of the available
12dB of attenuation. Interaction with adjacent bands is minimised, ensuring that more
of the musical content is preserved. Even more precise are the two sweepable notch
filters on each channel that allow the surgical removal of resonances and feedback,
while leaving everything else intact. On-screen switches allow the filters to be switched
easily in and out, for example, when an artist is using different instruments during a
show. LEDs adjacent to the control knobs ensure that the filter status is always visible
at a glance. High and low pass filters allow the frequency limits to be accurately
controlled for each output. While very useful for conventional wedge monitors, this
feature really comes into its own when combining in-ear and wedge monitors, allowing
the response of each monitor subsystem to be tailored to suit the artist's requirements.
Chapter 11: Graphic Equaliser (GEQ)
XL8 Control Centre
Operator Manual
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