Dbx Pro Driverack 4800 Users Manual

DriveRack 4800 to the manual 5ed85ee6-de8f-4138-92e3-12f8fe6f83df

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®

Designed to provide incredible flexibility, sonic excellence and intuitive control for performance
applications, the DriveRack® 4800 is the new flagship of the hugely successful DriveRack family. From
the powerful 96 kHz DSP engine and standard analog and digital I/O, to the QVGA display and
multiple control surfaces, the 4800 provides all the processing, flexibility and control necessary for both
installation and live use. The menu-based Wizard function enhances its capability by making the
DriveRack 4800 easier to use providing a menu based setup procedure including system configuration,
Auto-EQ, and an Advanced Feedback Suppression™ (AFS™) Wizard.

The DriveRack 4800 is the next generation of the famous DriveRack family, and like its predecessor
it is engineered to provide “Everything you need between the mixer and the power amps”. In keeping with this philosophy the 4800 includes four inputs and eight outputs with both analog and digital connectivity; a CobraNet option rounds it out offering greater flexibility for large installations.
The 96 kHz processing engine is capable of offering insert processing functions to customize the processing path for your application, in addition to the standard system processing functions all with
extremely low latency and extended frequency response. From Signal Routing, EQ, and Bandpass
Filters, to classic dbx® Dynamics and Feedback Suppression all the processing is available and with
the sonic excellence that you would expect from the world's leading system processing manufacturer.
With all this processing power available, control is of paramount importance. The DriveRack provides a full color display to speed manual operation; this combined with intuitive front panel controls, an easy to use GUI and optional wall panel controllers means that whether your application is
tour sound or installation, the DriveRack 4800 has what it takes. For more information please visit
www.driverack.com or www.dbxpro.com.

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48 and 96 kHz operation
Color QVGA Display
4 analog and AES/EBU inputs
8 analog and AES/EBU outputs
Optional CobraNet I/O
Optional Jensen® I/O Transformers
Full Bandpass Filter, Crossover and
Routing Configurations with Bessel,
Butterworth, and Linkwitz-Riley filters
• 31-Band Graphic and 9-band
Parametric EQ on every input
• 6-band Parametric EQ on every output

• Loudspeaker Cluster and Driver
Alignment Delays
• Selectable DSP inserts on all inputs
and outputs including Classic dbx
Compression, Limiting and Advanced
Feedback Suppression among others
• Ethernet
networking control
• dbx ZC wall panel control
8760 S. Sandy Pkwy.
Sandy, Utah 84070
Phone (801) 568-7660
Fax (801) 568-7662
Int’l Fax (801) 568-7583
customer@dbxpro.com
http://www.dbxpro.com

A Harman International Company
18-0335 -A 4/05

Analog Inputs:
Connectors:
Type:
Impedance:
Maximum Input Level:
CMRR:

(4)
Female XLR
Electronically balanced, RF filtered
>50k ohms
Software selectable for: +28, +26, +24, +22, +20, +18, +16, +14 dBu
>40 dB typical, >55 dB at 1 kHz

Digital Inputs:
Connectors:
Type:
Impedance:

(4) AES/EBU Channels
Female XLR
Transformer Isolated, RF filtered
110 ohms

Processing
Pre EQ Type:
Range:
Input Insert Processing:
Type:

One 31-band Graphic EQ on each input One EQ that is switchable
between 31-band Graphic and 9-band Parametric on each input
+/- 15 dB
Two selectable Insert Processing blocks per input
Noise Gate, Compressor, Auto Gain Control, De-Esser, Sub-Harmonic
Synth, Notch filters and Advanced Feedback Suppression

Input Delay Length:

Up to 682 mSec available

Routing/Mixing:

4-input mixer available at each output allowing any input to be sent or
mixed to any output

RTA Input:
Connectors:
Gain range:

(1) Analog
Female XLR
20 dB to 50 dB in 10 dB increments

Output Insert Processing:
Type:

Analog Outputs:
Connectors:
Type:
Impedance:
Max Output Level:

(8)
Male XLR
Electronically balanced, RF filtered
30 ohms
Software selectable for: +24, +22, +20, +12, +8, +4 dBu

Two selectable Insert Processing blocks per output
Noise Gate, AutoWarmth®, Compressor, Auto Gain Control, Peak Limiter,
Sub-Harmonic Synth

X-Over Filter Configs:

Digital Outputs:
Connectors:
Type:
Impedance:

(8) AES/EBU Channels
Male XLR
Transformer Isolated, RF filtered
110 ohms

Polarity:
Phase Control:

1x1, 1x2, 1x3, 1x4, 1x5, 1x6, 1x7, 1x8, 2x2, 2x3, 2x4
2x5, 2x6, 2x7, 2x8, 3x3, 3x4, 3x6, 3x7, 4x4, 4x8
Bessel 6, 12, 18, 24, 36 and 48 dB per Octave
Butterworth 6, 12, 18, 24, 36 and 48 dB per Octave
Linkwitz-Riley 12, 24, 36, and 48 dB per Octave
Positive and Negative
0 to -180 degrees in 5 degree increments

Output Delay Length:

1365 mSec shared between the outputs

Miscellaneous:
I/O Transformers:
CobraNet® I/O:
Control:

Optional, Jensen® JT-11 & JT-123-dbx
Optional
Ethernet, RS-232, Optional dbx ZC Wall Panels

Power Requirements:

100V to 240V 50/60Hz, 35 Watts

Dimensions:
Weight:
Shipping Weight:

3.5” x 19” x 12.15”
11 lbs. (14 lbs. w/audio transformers)
12.5 lbs. (15.5 lbs. w/audio transformers)

A/D Performance
Type:
Dynamic Range:
Type IV™ dynamic range:
Sample Rate:
A/D Wordlength:

dbx Type IV™ Conversion System
>113 dB unweighted, 116 dB A-weighted
126 dB with transient material, A-weighted, 22 kHz BW
123 dB with transient material, unweighted, 22 kHz BW
118 dB typical with program material, A-weighted, 22 kHz BW
96 kHz
24 bits

D/A Performance
Dynamic Range:
Sample Rate:
D/A Wordlength:

112 dB unweighted, 115 dB A-weighted
96 kHz
24 bits

System Performance
Dynamic Range:
Internal Processing:
THD + Noise:
Frequency Response:
Interchannel Crosstalk:

110 dB unweighted, 113 dB A-weighted
32 bit floating point
0.004% typical at +4 dBu, 1 kHz, 0 dB input gain
20 Hz- 20 kHz, +/-0.25 dB, <10 Hz- 50 kHz +0/-3dB @ 96kHz
<-85 dB at 1 kHz, 0 dB input gain

Types:

dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice.

FOR MORE INFORMATION CONTACT:
dbx Professional Products 8760 S. Sandy Pkwy. Sandy, Utah 84070
Phone (801) 568-7660 / Fax (801) 568-7662
customer@dbxpro.com / http://www.dbxpro.com

The Professional’s Choice In Signal Processing™
A Harman International Company



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