Crest Audio X-SERIES X 20R - Manual (Page 15)

Front Panel Features
Equalizer (EQ)
Many audio signals coming into the console require some degree of corrective EQ in order
to be part of a good-sounding mix. The X 18R & X 20R offer a very useful and great-sound-
ing EQ section on each channel. The input EQ consists of four bands: High, High-mid, Low-
mid and Low. The High and Low frequency bands each have a boost/cut control and their fre-
quencies are fixed. The High-mid and Low-mid bands each have variable boost/cut along with
tunable frequency.
High Frequency—HF
Boost / Cut 15 dB boost and cut. Shelving @12 kHz
High Mid—HM
Frequency continuously sweepable between 400 Hz and 8 kHz.
Boost / Cut 15 dB boost and cut. Bell curve with a BW of approx 1.5 octaves
Low Mid—LM
Frequency continuously sweepable between 100 Hz and 2 kHz.
Boost / Cut 15 dB boost and cut. Bell curve with a BW of approx 1.5 octaves
Low Frequency—LF
Boost / Cut 15 dB boost and cut. Shelving @ 80 Hz.
EQ On
Equalizer is OFF. The equalizer circuitry is bypassed.
Equalizer is ON. This switch is used to activate the EQ section and can be used to
make A/B comparisons between "flat" and eq'd signals.
p. 15
Mono Input Channel
1