Driverack px – dbx DriveRack PX Quickstart Guide User Manual

Page 11

26.

Turn the Data Wheel to choose the number of fixed filters to use with Advanced Feedback Suppression.
These filters, once populated or FIXED, will stay at the set frequency and level. LIVE “L” filters will
change as needed during a performance.

SETUP

AFS

RECALL

SUBHARMONIC COMP/LIMITER

UTILITY

PRESET

NEXT PG

STORE

WIZARD

Inputs

Sub Outs

UTILITY

PREV PG

WIZARD

SIG

Headroom dB

Outputs

Limiter

DriveRack PX

Powered Speaker

Optimizer

SIG

A. Turn the Data Wheel to select the number of fixed filters.

B. Press the
NEXT PG button.

27.

Turn the Data Wheel to choose the EQ notch filter width appropriate for your needs. Speech is a wide
filter, Music Low is a narrow filter, Music Medium is a very narrow filter, and Music High is an ultra nar-
row filter. We’ll use Music High for our example.

SETUP

AFS

RECALL

SUBHARMONIC COMP/LIMITER

UTILITY

PRESET

NEXT PG

STORE

WIZARD

Inputs

Sub Outs

UTILITY

PREV PG

WIZARD

SIG

Headroom dB

Outputs

Limiter

DriveRack PX

Powered Speaker

Optimizer

SIG

A. Turn the Data Wheel to select the EQ notch filter type.

B. Press the
NEXT PG button.

Music High

Ultra Narrow Notch

28.

With the channel faders down, set the mixer’s master level to zero (0 dB). With the microphones you’ll
be using during the performance in place and connected, turn up microphone channel levels until feed-
back begins. The AFS will start to populate the Advanced Feedback Suppression fixed filters.

NOTE: Do not talk into any of the microphones or play music. This is only a search for feedback at this

point.

SETUP

AFS

RECALL

SUBHARMONIC COMP/LIMITER

UTILITY

PRESET

NEXT PG

STORE

WIZARD

Inputs

Sub Outs

UTILITY

PREV PG

WIZARD

SIG

Headroom dB

Outputs

Limiter

DriveRack PX

Powered Speaker

Optimizer

SIG

A. Slowly increase the channel gain on your mixer to the desired level.