DEQX User Manual
4.4 PREFERENCE EQ
The DEQX has three Preference EQ bands, named HIGH, MID, and LOW, that are
controlled with the DEQX Remote. Preference EQ is used to adjust system response
with fine-grained frequency shaping to cater for different listening situations and for
different recordings. Up to 100 Preference EQ presets can be stored in the DEQX and
recalled with the remote.
Note that Preference EQ is distinct from room EQ: Preference EQ is stored in the DEQX
for each profile, but is not stored in the configuration. Loading a new configuration will
therefore not change Preference EQ settings.
Referring to the diagram below, the MID band is a fully parametric peaking or cut filter.
The center frequency is adjustable in semitone steps from 20 Hz to 20 kHz; the gain
(boost or cut) of the filter can be varied in 1 dB steps between −9 dB and +9 dB; and the
Q, which controls the width of the filter, can be set from very narrow to very broad.
The LOW and HIGH bands are shelving filters – that is, low or high frequencies below or
above the transition frequency are shelved up or down. The transition frequency of the
filters is settable in semitone steps and the gain (boost or cut) is adjustable in 1 dB steps
between −9 dB and +9 dB.
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