Dbx DriveRack 220i User Manual download pdf (Page 29)

Gate On/Off

Turns the Gate on and off.

Threshold -50 to 20 dBu

The threshold is the volume level at which the gate opens. Anything above the threshold pass-

es, while signal that is lower than the threshold is attenuated. Beware, setting the threshold to

high can cut off the tail end of signals as they fade out (the sustain of a guitar note, a held piano

chord, a reverb tail, etc.).

Ratio 1:1.0 to 1:15

This is where you decide how much downward expansion you want. This ratio works oppo-

site from that of the compressor or limiter. If a ratio of 1:4 is selected, a signal that is 1dB below

the threshold will be reduced in gain so that it becomes 4dB below the threshold.

Attack 0.1 to 200 m Sec

As the signal reaches the threshold area, the Attack control sets the speed at which the gate

opens. Use very fast attack times to catch the fronts of transient signals.

Hold 0 to 500 m Sec

The Hold control sets the amount of time the gate is held open after the signal passes below

the threshold point.

Release 360 to 5 dB

Release sets the speed at which the gate “closes” or attenuates when the end of the Hold time

is reached.

Max ATT 0 to Inf. dB

This sets the maximum amount of attenuation for the gate.

The notch filter is the perfect tool for dropping out undesirable frequencies that may appear in

the input signal.

Notch On/Off

Turns the notch filters on and off.

Frequency (1 to 6) 20 to 20K

Selects the desired notch filter frequency of the selected notch filter.

3.9 - Notch Filters

Detailed Parameters

Section 3

220i

DriveRack

User Manual

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Dbx DriveRack 220i User Manual Page 29