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dbx DriveRack PA2 User Manual

dbx DriveRack PA2
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Owner’s Manual
®

Table of Contents

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dbx DriveRack PA2 Specifications

General IconGeneral
Input Channels2
Output Channels6
Frequency Response20 Hz - 20 kHz, +/- 0.5 dB
Dynamic Range>110 dB
A/D Conversion24-bit
D/A Conversion24-bit
Sample Rate48 kHz
CrossoverYes
DelayYes
Subharmonic SynthesizerYes
Wi-Fi ControlYes
DisplayLCD
Rack Spaces1U
EQ8-band PEQ
Feedback SuppressionYes
ControlFront panel
Dimensions19 x 1.75 x 8.5 inches
Compressordbx Compressor
MountingRack mountable
Power Supply50/60 Hz
THD + Noise0.003% typical at +4dBu, 1kHz, 0dB gain

Summary

Warranty and Service Information

Warranty Registration and Coverage

Register product online; warranty covers defects in materials and workmanship under normal use.

Return Authorization and Service Procedures

Obtain Return Authorization Number before returning products for service. Contact Technical Support for assistance.

Front Panel Interface and Controls

Navigation, Display, and Input

Includes LCD display, BACK, DATA Wheel, WIZARD, PRESET, UTILITY, and RTA MIC INPUT.

Rear Panel Connections

Power, Network, and USB Ports

IEC power inlet, Ethernet for network control, and USB for firmware updates.

Audio Input/Output Connectors

XLR inputs for sources and XLR outputs for speakers/amplifiers.

Installation and Connection Procedures

Rackmount Installation and Ventilation

Install in a 19" rack ensuring proper airflow and avoiding heat and interference.

Audio Signal Connections

Connect mixer outputs to PA2 inputs and PA2 outputs to amplifiers/speakers with power off.

Network Configuration and Control

Wired and Wi-Fi Network Setup

Connect PA2 to network via Ethernet or Wi-Fi for control app operation.

System Power Application

Safe Power On/Off Sequence

Sequence for powering up/down mixer, PA2, and amplifiers to prevent damage.

Configuring the DriveRack PA2 System

Utilizing Setup Wizards for Configuration

Step-by-step guidance for system setup, optimization, and feedback elimination.

AutoEQ and Level Assist Wizard

Assists with speaker balancing, room EQ, and overall system optimization.

AFS Wizard for Feedback Elimination

Guides users to identify and remove feedback frequencies for increased gain.

Speaker and Amplifier Tuning Selection

Using Manufacturer Tunings in Setup Wizard

PA2 configures settings based on selected speaker/amplifier models or 'NOT LISTED' defaults.

Manual System Optimization Tips

Setting Crossover Frequencies and Filters

Guides for choosing crossover points, filter types (BW/LR), and slopes for driver alignment.

Optimizing Gain Structure and Limiters

Calibrate gain staging and set limiter thresholds to prevent clipping and maximize headroom.

Ringing Out the System with AFS

Process to identify and notch feedback frequencies for improved system gain.

Advanced Feedback Suppression (AFS)

AFS Algorithm Enhancements and Benefits

Faster, more precise feedback detection and elimination with minimal impact on audio quality.

Power-Up Functions

Factory Reset Procedure

Resets all user presets and utility settings to factory defaults.

Soft Reset Procedure

Resets only utility settings to factory defaults, preserving user presets.

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