Crest Audio X 18R, X 20R High Frequency-HF, High Mid-HM, Low Mid-LM, Low Frequency-LF, EQ On

Mono Input Channel 1

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.

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