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The Complete Speaker Management Solution

The DriveRack® 4800 and 4820 are the

FILE

next generation products in the famous

The DriveRack 4800 can save

DriveRack Family, and like their prede-

off Device and Preset files to a

computer for later use in system

cessors, they are engineered to provide

duplication or off-line editing.

"Everything you need between the mixer

PRESETS

Presets are snapshots of the pro-

and the power amps." In keeping with

cessing and signal path through

this philosophy the 4800 and 4820

the unit. The DriveRack can

store up to 50 presets internally;

include four inputs and eight out-

each of which can be viewed,

puts with both analog and AES/EBU

stored and recalled from the

Preset Tool.

XLRs; a CobraNet option rounds out

MIXER/ROUTER

the connectivity options for an amaz-

The Input and Output Mixer/

Router modules allow selection

ing amount of flexibility. The 96 kHz

of or mixing between the sources.

processing engine is capable of offering

The input allows mixing between

the analog, AES/EBU digital

DSP insert options in addition to the

and optional CobraNet inputs,

while the output allows selection

wealth of standard system processing

of/or mixing between the input

functions all with extremely low latency

channels.

and extended frequency response. From

Each input provides two EQs,

Signal Routing, EQ, and Bandpass

a full-time Graphic EQ and a

Filters, to classic dbx® Dynamics and

second EQ that can be switched

between Graphic and Parametric.

Feedback Suppression all the process-

This allows a system "House"

EQ that can be either Graphic or

ing is available with the sonic excel-

Parametric while still maintaining

lence that you would expect from the

a Graphic EQ for the "Show" or

event engineer. Each Output also

world's leader in system processing.

provides a 6-band Parametric EQ.

With all this processing power, control

INPUT INSERTS

Two DSP Inserts are available on

is of paramount importance. The dbx

each input providing the selection

DriveRack 4800 provides a full color

of additional in-line processing

like Compression, Automatic

display to speed manual operations, this

Gain Control, Notch Filtering,

Gating, De-Essing or Feedback

combined with intuitive front panel

Suppression. Like the other

controls, an easy to use GUI and op-

processing functions these inserts

can be linked across channels to

tional wall panel controllers means that

created stereo, tri or even quad

whether your application

processing functions.

is an installation or tour

sound, the 4800 or 4820

has what it takes. For

more informa-

tion please visit

dbxpro.com or

driverack.com.

DriveRack 4800/4820 Family

EDIT

TOOLS

Copying and Pasting of DSP

The Tools menu contains the powerful Configuration Wizard and the Zone

processing modules is easy either

Controller Wizard that simplify the setup procedure. It also offers access to the

through the Edit menu functions

device attributes like Sample Rate and Analog Gain Structure in the Utilities

or by right-clicking on the module

menu. Access Control provides multiple levels of security so that portions of the

itself.

system can be locked away.

MUTES, TRIMS & SOLOS

DELAY

The DriveRack 4800 provides

Each input channel in the DriveRack

immediate control of the output

4800 offers up to 680mSec (766 ft.

level with front panel Mute/Trim

or 233 m) of Delay for long delay lines. In addition, the outputs provide up to

knobs; the software also provides

1.3Sec of configurable Delay so it can be put where it is needed.

an additional Solo function allow-

ing independent output soloing for

SPEED OF USE

setup purposes.

Tablet Mode provides large

buttons and icons for easy sys-

RTA

tem tuning via a Tablet PC and

With a front panel XLR jack for a

802.11B&G wireless. The 4800

mic, the Real Time Analyzer offers

front panel provides access to all

the ability to "view" the frequency

processing functions in two but-

reponse of input signals. The RTA

ton presses or less. For example,

is also used as part of the Auto-EQ

press a channel button

Wizard function.

...then press a function button

and use the analog-style knobs.

Features

48 and 96 kHz operation

Color ¼ VGA Display (4800)

4 Analog and AES/EBU inputs

8 Analog and AES/EBU outputs

HELP

31-Band Graphic and 9-band

The Help menu provides an interactive

file that outlines the functionality of

Parametric EQ on every input

the DriveRack 4800 device and how

Full Bandpass Filter, Crossover and

various functions are done.

Routing Configurations with Bessel,

OUTPUT INSERTS

Butterworth, and Linkwitz-Riley filters

Each output channel provides two more

6-band Ouput Parametric EQ

inserts offering selections such as Peak

Limiting, Compression, AutoWarmth®,

Loudspeaker Cluster and Driver

SubHarmonic Synthesis and Automatic

Alignment Delays

Gain Control to customize the signal

path to the application.

Selectable DSP inserts on all inputs

and outputs including Classic dbx

BANDPASS FILTERS

Compression, Limiting and Advanced

Bandpass and Crossover filters are pro-

Feedback Suppression among others

vided on each output with Bessel, Butter-

worth and Linkwitz-Riley topologies and

Ethernet HiQnet networking

filter slopes up to 48 dB/Octave. This

and control

section is also where the output Gain,

Polarity, and Phase control are found.

Optional CobraNet

I/O

OUTPUTS

Optional Jensen

I/O Transformers

The DriveRack 4800/4820 provides the

Optional dbx

ZC wall panel controls

ability to reroute signals to the Analog

and Digital Outputs. Clicking on the

Output Icon will also show a composite

screen of the various filtering that is being

done in the output processing functions.

ZC-1

ZC-2

ZC-4

ZC-3

ZC-6

ZC-FIRE

OPTIONAL ZC

ZC-9

ZC-BOB

CONTROLLERS

ZC-series zone controllers can

be used with the DriveRack

4800 and 4820 together,

making them the perfect

system for contractor-based

permanent installations.

DriveRack 4800/4820 Family

Applications

STEREO FOH w/ SUBS ON AN AUX

As the centerpiece of this system, the DriveRack 4800

provides all the Signal Routing and Processing needed.

With Speaker Processing elements including: Bandpass

and Crossover Filters with up to 48 dB/Octave slopes,

Output Parametric EQ, Delay and Limiting, DriveRack

provides everything necessary to make the speakers per-

form their best. The 4800 also offers system-wide EQ with

both an Input Parametric EQ for the House or System

while also providing an Input Graphic EQ for the Front

of House Engineer. Additional processing is also available

including Noise Gating, Notch Filtering, or classic dbx

Compression that can be linked across all the input chan-

nels or Feedback Suppression. The DriveRack 4800 is a

complete solution for this high-powered system.

STEREO FOH w/ SUBS & MONITORS

The DriveRack 4800 is perfect for this very common

application where a single console is feeding both the ste-

reo Front of House system as well as a couple of Monitor

mixes. With the enormous amount of processing power

that the DriveRack offers there is plenty of EQ for both

systems; the System Technician or Contractor can have a

House Parametric EQ that is set then locked away while

the Engineer uses the Input Graphic EQs for the Stereo

FOH and the Monitors. The Monitors would also benefit

from the use of our Feedback Suppression algorithm that

can pinpoint feedback frequencies down to 1/100

of a

Hertz.

LCR w/ EXT . ROOM & AUX ZONES

The flexibility of the DriveRack 4820 is showcased in this

system that uses three inputs from the console to create an

LCR plus Sub system. The send to the subwoofer could

be an additional input from the console, or it could just

be an output that is receiving a signal summed from the

combination of the LCR inputs. The Extension Room

likewise uses an internal sub-mix to create quasi-stereo

or mono with a Delay. The Auxiliary Zones are mono

sends created using the Mid-Mixer in the 4820. Each of

these sub-systems benefits from the DriveRack's wealth

of processing. Wall panel control adds simple elegance; in

the main system this ZC-3 wall panel is recalling presets,

while the panels in the other areas are providing local

volume control.