dbx 442, 480, 481, 482, 480R User Guide
User Manual
Complete Equalization & Loudspeaker Management System
442
480
481
482
480R
®
®
WARNING FOR YOUR PROTECTION
PLEASE READ THE FOLLOWING:
KEEP THESE INSTRUCTIONS
HEED ALL WARNINGS
FOLLOW ALL INSTRUCTIONS
CLEAN ONLY WITH A DRY CLOTH.
DO NOT BLOCK ANY OF THE VENTILATION OPENINGS. INSTALL IN ACCORDANCE WITH THE
MANUFACTURER’S INSTRUCTIONS.
DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS RADIATORS, HEAT REGISTERS, STOVES,
OR OTHER APP
ARATUS (INCLUDING AMPLIFIERS) THAT PRODUCE HEAT.
ONLY USE ATTACHMENTS/ACCESSORIES SPECIFIED BY THE MANUFACTURER.
UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME.
GROUNDING PRONG: The wide blade or the thir
d prong are pr
ovided for your safety. If the
provided plug does not fit into your outlet, consult an electrician for replacement of the
obsolete outlet.
Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point wher
e they exit from the apparatus.
Use only with the cart stand, tripod bracket, or table specified by the manufactur
e, or sold
with the apparatus. When a cart is used, use caution when moving the cart/apparatus
combination to avoid injury from tip-over.
Refer all servicing to to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally, or has been dropped.
POWER ON/OFF SWITCH: The Power switch used in this piece of equipment DOES NOT break
the connection from the mains.
ALL-POLE MAINS SWITCH: An all-pole mains switch with a contact separation of at least
3mm in each pole shall be incorporated in the electrical installation of the rack or building.
FOR UNITS EQUIPPED WITH EXTERNALLY ACCESSIBLE FUSE RECEPTACLE: Replace fuse with
same type and rating only.
MULTIPLE-INPUT VOLTAGE: This equipment may require the use of a different line cord,
attachment plug, or both, depending on the available power source at installation. Connect
this equipment only to the power source indicated on the equipment rear panel. To reduce
the risk of fire or electric shock, refer servicing to qualified service personnel or
SAFETY INSTRUCTIONS
NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER
CORD.
WARNING: THIS APPLIANCE MUST BE EARTHED.
CAUTION: EQUIPMENT IS NOT
DISCONNECTED FROM MAINS WHEN
SWITCH IS IN THE OFF POSITION
The cores in the mains lead are coloured in accordance with the following
code:
GREEN and YELLOW - Earth BLUE - Neutral BROWN - Live
As colours of the cores in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:
• The core which is coloured green and yellow must be connected to the
terminal in the plug marked with the letter E, or with the earth symbol,
or coloured green, or green and yellow.
• The core which is coloured blue must be connected to the terminal
marked N or coloured black.
• The core which is coloured brown must be connected to the terminal
marked L or coloured red.
This equipment may require the use of a different line cord, attachment plug,
or both, depending on the available power source at installation. If the attachment plug needs to be changed, refer servicing to qualified service personnel
who should refer to the table below. The green/yellow wire shall be connected directly to the units chassis.
WARNING: If the ground is defeated, certain fault conditions in the unit or in
the system to which it is connected can result in full line voltage between
chassis and earth ground. Severe injury or death can then result if the chassis and earth ground are touched simultaneously.
The symbols shown above are internationally accepted symbols that
warn of potential hazards with electrical products. The lightning flash
with arrowpoint in an equilateral triangle means that there are dangerous
voltages present within the unit. The exclamation point in an equilateral
triangle indicates that it is necessary for the user to refer to the owner’s
manual.
These symbols warn that there are no user serviceable parts inside the
unit. Do not open the unit. Do not attempt to service the unit yourself.
Refer all servicing to qualified personnel. Opening the chassis for any
reason will void the manufacturer’s warranty. Do not get the unit wet. If
liquid is spilled on the unit, shut it off immediately and take it to a dealer for service. Disconnect the unit during storms to prevent damage.
IMPORTANT SAFETY INSTRUCTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
ATTENTION: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
CONDUCTOR
L
N
E
LIVE
NEUTRAL
EARTH GND
WIRE COLOR
Normal Alt
BROWN
BLUE
GREEN/YEL
BLACK
WHITE
GREEN
U.K. MAINS
PLUG WARNING
A molded mains plug that has been cut off from the cord is
unsafe. Discard the mains plug at a suitable disposal facility.
NEVER UNDER ANY CIRCUMSTANCES SHOULD YOU INSERT A
DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET. Do not use the mains plug without the fuse cover in place.
Replacement fuse covers can be obtained from your local retailer. Replacement fuses are 13 amps and MUST be ASTA approved
to BS1362.
LITHIUM BATTER
Y
WARNING
CAUTION!
This product may contain a lithium battery.There is danger of
explosion if the battery is incorrectly replaced. Replace only
with an Eveready CR 2032 or equivalent. Make sure the battery is installed with the correct polarity. Discard used batteries according to manufacturer’s instructions.
ADVARSEL!
Lithiumbatteri - Eksplosjonsfare.Ved utskifting benyttes kun
batteri som anbefalt av apparatfabrikanten. Brukt batteri
returneres apparatleverandøren.
ADVARSEL!
Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering.
Udskiftning må kun ske med batteri av samme fabrikat og
type. Levér det brugte batteri tilbage til leverandøren.
VAROITUS!
Paristo voi räjähtää, jos se on virheellisesti asennettu.Vaihda
paristo ainoastaan laitevalmistajan suosittelemaan tyyppin.
Hävitä käytetty paristo valmistajan ohjeiden mukaisesti.
VARNING!
Explosionsfara vid felaktigt batteribyte.Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren. Kassera använt batteri enligt fabrikantens instruktion.
IMPORTANT SAFETY INSTRUCTIONS
ELECTROMAGNETIC
COMPATIBILITY
This unit conforms to the Product
Specifications noted on the Declaration of
Conformity. Operation is subject to the following two conditions:
• this device may not cause harmful inter-
ference, and
• this device must accept any interference
received, including interference that may
cause undesired operation.
Operation of this unit within significant electromagnetic fields should be avoided.
• use only shielded interconnecting cables.
DECLARATION OF
CONFORMITY
Manufacturer’s Name: dbx Professional Products
Manufacturer’s Address: 8760 S. Sandy Parkway
Sandy, Utah 84070, USA
declares that the product:
Product name: dbx Drive Rack 442,480,481,482
Note: Product name may be suffixed by the r, s, t, p and EU
Product option: None
conforms to the following Product Specifications:
Safety: IEC60065 (1998)
EN 60065 (1993)
CAN/CSA E60065-99
EMC: EN 55013 (1990)
EN 55020 (1991)
Supplementary Information:
The product herewith complies with the requirements of the Low Voltage
Directive 72/23/EEC and the EMC Directive 89/336/EEC as amended by
Directive 93/68/EEC.
dbx Professional Products
8760 S. Sandy Parkway
Sandy, Utah 84070, USA
March 15,2000
Revised: August 15,2001
European Contact: Your local dbx Sales and Service Office or
Harman Music Group
8760 South Sandy Parkway
Sandy, Utah
84070 USA
Ph: (801) 566-8800
Fax: (801) 568-7573
Ta b le of Contents
DriveRack
™
Introduction
1.1 Defining the DriveRack™ System ...................ii
1.2 Service Contact Info........................................iv
1.3 Warranty...........................................................iv
Section 1 - Getting Started
1.1 Rear Panel Connections (480) .........................2
1.2 Front Panel (480) ............................................3
1.3 Rear Panel Connections (481) .........................4
1.4 Front Panel (481) ............................................5
1.5 Rear Panel Connections (482) .........................6
1.6 Front Panel (482) ............................................7
1.7 Rear Panel Connections (442) .........................9
1.8 Front Panel (442) ..........................................10
Section 2 - Editing Functions
2.1 Basic Navigation Modes.................................14
2.2 Button Array Overview..................................15
2.3 Parameter Knob Encoders Coarse/Fine ........16
2.4 (Horizontal-Vertical nav)................................16
2.5 Cut and Paste..................................................16
2.6 Navigating the EQ Sections ...........................17
2.7 Navigating the Crossover Section..................18
2.8 Navigating the RTA Section...........................19
2.9 Navigating the Delay Section ........................20
2.10 Navigating the Dynamics Section................21
2.11 Navigating the Other Section.......................22
2.12 Navigating the Utility Section ......................23
Section 3 - Configuring the
DriveRack
3.1 Program Definition.........................................26
3.2 Navigating Factory Programs.........................26
3.3 Editing Factory Programs...............................28
3.4 Saving Factory Program Changes..................28
3.5 Creating a User Configuration.......................30
3.6 Linking Modules .............................................32
3.7 Selecting and Moving Crossovers..................33
3.8 Saving Configuration Changes.......................34
Section 4 - Detailed Parameters
4.1 Input Routing..................................................36
4.2.1 Pre-Crossover EQ (31 Band Graphic)........36
4.2.2 Pre-Crossover EQ (31 Band Graphic)
Show and House ..................................................37
4.2.3 Pre-Crossover EQ (9-Band Parametric)......37
4.2.4 RTA...............................................................38
4.3 Notch Filter .....................................................39
4.4 Delay (Pre-Crossover) ....................................39
4.5 Crossovers.......................................................39
4.6 Post-Crossover Parametric EQ.......................39
4.7 Compressor/Limiter (Dynamics)....................44
4.8 Speaker Alignment Delay ..............................45
4.9 Output Routing...............................................46
Section 5 - Storing Changes
5.1 Saving Factory Program Changes..................48
5.2 Saving Configuration Changes.......................50
Section 6 - Utilities
6.1 Network ID.....................................................52
6.2 Security Levels ................................................52
6.3 Security Passwords .........................................53
6.4 Entering Security Password ...........................54
6.5 Program List....................................................55
6.6 Program Change Mode ..................................54
6.7 Contrast Adjustment .......................................57
6.8 PC COMM Mode ............................................57
6.9 Power-up (Mutes/Saved) ...............................58
6.10 MIDI Channels..............................................58
6.11 MIDI Program Dumps..................................58
6.12 SYSEX Dump ................................................59
6.13 Setup SYSEX ID............................................59
6.14 Mic Pre Set up ..............................................59
6.15 Redundancy Enable......................................60
Section 7 - Network Functions
7.1 Network Connections (Specs) .......................63
7.2 Network Connections (Applications)............64
7.3 Master/Slave Assignments..............................68
7.4 Redundancy ....................................................71
7.5 Network Trouble Shooting ............................72
7.6 PC GUI Install and basic operation ..............73
7.7 System Control................................................79
DriveRack™ User Manual
Table of Contents
®
Ta b le of Contents
DriveRack
™
Section 8 - 480 Remote Controller
8.1 Rear Panel Connections .................................86
8.2 Front Panel Connections................................87
8.3 Rear Panel Connections (480P).....................88
8.4 Front Panel (480P) .........................................89
8.5 Using the RTA.................................................90
8.6 Hot Key Assignments.....................................91
8.7 Controlling Slave devices...............................91
8.8 480R Utility Menu...........................................92
8.9 480R System Control ......................................96
Section 9 - Application Guide
9.1 Four Way FOH .............................................100
9.2 Front of House w/Delay 3-Way Towers.....101
9.3 L-C-R + Sub + Rear.......................................102
9.4 Bi-Amp & In-Ear...........................................103
9.5 Dedicated FOH Crossover ...........................104
9.6 Stand-Alone Monitor EQ..............................105
Section 10 - Appendix
A.1 MIDI SYSEX..................................................108
A.2 Factory Reset ................................................111
A.3 Power up Quick Key Options ....................111
A.4 Flash Downloads .........................................112
A.5 Program List .................................................112
A.6 Specifications................................................113
A.7 Crossover Diagrams .....................................118
A.8 Gain Jumper Warning..................................123
A.9 Input and Output Section Diagrams...........124
A.10 “Pinking” a Room ......................................125
A.11 Wire Diagrams............................................126
DriveRack™ User Manual
Table of Contents
®
INTRO
CUSTOMER SERVICE INFO
Defining the
DriveRack
WARRANTY INFO
®
INTRODUCTION
DriveRack
™
Introduction
DriveRack™ User Manual
ii
DriveRack
™
Congratulations on your purchase of the dbx DriveRack™ Complete Equalization and
Loudspeaker Management System! For over 30 years, dbx has been the industry leader in
dynamics processing. With the introduction of the DriveRack™ , dbx Professional Products has
redefined the standard by which all other loud speaker management systems will be based
This manual will be your guide to understanding the full functionality of the powerful 480, 481,
482, 442 and 480R DriveRack™ units. By combining the different components, the configuration possibilities are limitless. After you have become familiar with the unit, we encourage you
to experiment and find the most effective and efficient way to run your system by utilizing the
powerful processing of the DriveRack™.
The dbx DriveRack™ is the most effective way to manage all aspects of post mix processing
and signal routing. The following are just some of the features of the 480, 481, 482 and 480R.
480 DriveRack™ features:
•
4 Input and 8 Outputs with routing
•
31 band graphic or 9 band parametric equalizer on every input (pre-crossover)
•
Dual Real Time Audio Analyzers
•
Butterworth, Bessel or Linkwitz-Riley crossover filters
•
27 Different Crossover Configurations
•
Time Alignment and Transducer Alignment Delays
•
Compressor/Limiter on every output
•
Speaker Compensation EQ (post crossover)
•
Multi-level Security System
•
Separate House and Show EQ with individual lockouts
•
Triple redundant back up of all parameters when running network, 480R and PC GUI
•
TYPE IV™ Conversion System
•
Electronically balanced/RF filtered XLR Inputs and Outputs
•
Proprietary RS-485 Control Network
•
RS-232 PC Interface for computer display and configuration
481 DriveRack™ features:
•
4 Input and 8 Outputs with routing
•
31 band graphic or 9 band parametric equalizer on every input (pre-crossover)
•
Dual Real Time Audio Analyzers
•
Butterworth, Bessel or Linkwitz-Riley crossover filters
•
27 Different Crossover Configurations
1.1 Defining the DriveRack™ System
INTRODUCTION
®
Introduction
DriveRack
™
DriveRack™ User Manual
•
Time Alignment and Transducer Alignment Delays
•
Compressor/Limiter on every output
•
Speaker Compensation EQ (post crossover)
•
Multi-level Security System
•
Separate House and Show EQ with individual lockouts
•
Triple redundant backup of all parameters when running network, 480R and PC GUI
•
TYPE IV™ Conversion System
•
Electronically balanced/RF filtered Euroblock Inputs and Outputs
•
Proprietary RS-485 Control Network
•
RS-232 PC Interface for computer display and configuration
482 DriveRack™ features:
•
4 Input and 8 Outputs with routing
•
31 band graphic or 9 band parametric equalizer on every input (pre-crossover)
•
Dual Real Time Audio Analyzers
•
Butterworth, Bessel or Linkwitz-Riley crossover filters
•
27 Different Crossover Configurations
•
Time Alignment and Transducer Alignment Delays
•
Compressor/Limiter on every output
•
Speaker Compensation EQ (post crossover)
•
Multi-level Security System
•
Separate House and Show EQ with individual lockouts
•
Triple redundant back up of all parameters when running network, 480R and GUI
•
TYPE IV™ Conversion System
•
Electronically balanced/RF filtered XLR Inputs and Outputs
•
Proprietary RS-485 Control Network
•
RS-232 PC Interface for computer display and configuration
442 DriveRack™ features:
•
4 Input and 4 Outputs
•
31 band graphic or 9 band parametric equalizer on every input
•
Time Alignment Delays
•
Compressor/Limiter on every output
•
Multi-level Security System
•
Separate House and Show EQ with individual lockouts
•
Triple redundant back up of all parameters when running network, 480R and GUI
•
TYPE IV™ Conversion System
•
Electronically balanced/RF filtered XLR Inputs and Outputs
•
Proprietary RS-485 Control Network
•
RS-232 PC Interface for computer display and configuration
iii
®
Introduction
DriveRack™ User Manual
iv
DriveRack
™
480R DriveRack™ features:
•
Dedicated remote interface to control all 480, 481, 482 and 442 DriveRack™ units
•
31 Motorized faders for equalization control
•
32 assignable hot-keys with up to 64 different assignment capabilities
•
Built-in Real Time Audio Analyzer (with rear-panel XLR connector)
•
System Mute button
•
Proprietary RS-485 Control Network
•
RS-232 PC Interface for computer display and configuration
•
480P Power Supply Included
•
Responds to MIDI commands from mixing consoles including: Soundcraft™ SM20
and Series 5 and the Allen & Heath™ ML 4000 and ML5000
By including every form of processing necessary to drive the signal from the mixer to the power
amp, the DriveRack™ allows you to eliminate all other processing devices that are normally
found in large and cumbersome traditional DriveRack systems of the past.
The 480 DriveRack™ Loud Speaker Management System includes four balanced XLR inputs, as
well as eight balanced XLR outputs, which can be routed for any configuration. The 481 and
482 DriveRack™ feature the identical processing power of the 480 DriveRack, but utilize streamline front panel interfaces. In addition, the 481 utilizes euroblock connectors as opposed to the
XLR connectors found in the 480 and 482 DriveRack.
The 480, 481 and 482 DriveRacks™ include features such as: pre-crossover EQ, dual RTAs, notch
filters, speaker delays, multiple crossovers and compression/limiting, as well as numerous other
features. Dual RTA analyzers can be run simultaneously with RTA source inputs capable of
being remotely switched on the fly. The 480 DriveRack™ is fully programmable from the front
panel, and can control other devices in a network including the 481 and 482 slave units. In
addition, the entire system can be controlled via the 480R DriveRack™ remote controller or
through the included GUI interface.
The 442 DriveRack Equalization Management system is the perfect tool for monitor mixing
applications. The 442 offers four balanced XLR inputs and four XLR outputs, with four independent channels of effect processing. Each channel offers a 31-band graphic or parametric
equalizers, as well as digital delay and industry-standard, dbx dynamics processing.
If you require technical support, contact dbx Customer Service. Be prepared to accurately
describe the problem. Know the serial number of your unit - this is printed on a sticker attached
to the rear panel. If you have not already taken the time to fill out your warranty registration
card and send it in, please do so now.
1.2 Service Contact Info
®
Before you return a product to the factory for service, we recommend you refer to the manual.
Make sure you have correctly followed installation steps and operation procedures. If you are still
unable to solve a problem, contact our Customer Service Department at (801) 568-7660 for consultation. If you need to return a product to the factory for service, you MUST contact Customer
Service to obtain a Return Authorization Number.
No returned products will be accepted at the factory without a Return Authorization Number.
Please refer to the Warranty below, which extends to the first end-user. After expiration of the warranty, a reasonable charge will be made for parts, labor, and packing if you choose to use the factory service facility. In all cases, you are responsible for transportation charges to the factory. dbx
will pay return shipping if the unit is still under warranty.
Use the original packing material if it is available. Mark the package with the name of the shipper
and with these words in red: DELICATE INSTRUMENT, FRAGILE! Insure the package properly.
Ship prepaid, not collect. Do not ship parcel post.
This warranty is valid only for the original purchaser and only in the United States.
1. The warranty registration card that accompanies this product must be mailed within 30 days
after purchase date to validate this warranty. Proof-of-purchase is considered to be the burden
of the consumer.
2. dbx warrants this product, when bought and used solely within the U.S., to be free from defects
in materials and workmanship under normal use and service.
3. dbx liability under this warranty is limited to repairing or, at our discretion, replacing defective
materials that show evidence of defect, provided the product is returned to dbx WITH RETURN
AUTHORIZATION from the factory, where all parts and labor will be covered up to a period of
two years. A Return Authorization number must be obtained from dbx by telephone. The company shall not be liable for any consequential damage as a result of the product's use in any
circuit or assembly.
4. dbx reserves the right to make changes in design or make additions to or improvements upon
this product without incurring any obligation to install the same additions or improvements on
products previously manufactured.
5. The foregoing is in lieu of all other warranties, expressed or implied, and dbx neither assumes
nor authorizes any person to assume on its behalf any obligation or liability in connection with
the sale of this product. In no event shall dbx or its dealers be liable for special or consequential damages or from any delay in the performance of this warranty due to causes beyond their
control.
1.3 Warranty
Introduction
Section i
DriveRack
™
DriveRack™ User Manual
v
®
Introduction
DriveRack™ User Manual
vi
Section i
DriveRack
™
®
Getting Started
Section 1
DriveRack
™
®
Getting Started
DriveRack™ User Manual
2
Section 1
DriveRack
™
IEC Power Cord Receptacle
The 480 comes with an International power supply that will accept voltages ranging from 100V240V at frequencies from 50Hz-60Hz. An IEC cord is included.
MIDI In, Out and Thru Connectors
These connectors provide MIDI functionality to the 480 DriveRack™. The In, Out and Thru jacks
allow you to use the 480 DriveRack™ at any point in the MIDI chain.
RS485 Control Bus Input (DB-9 connector type)
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
RS485 Control Thru Bus (DB-9 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
RS485 Control Bus Input (RJ-45 connector type)
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
RS485 Control Thru Bus (RJ-45 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
Termination LEDs
These LEDS indicate when network is properly terminated. The Green LED indicates that the
network has been correctly terminated.
Remote Controller In Connection
This DB-9 type input connection is used to send and receive information from the 480R Remote
Control unit.
PC Connection
This DB-9 type connection is used to send and receive information to and from the GUI interface.
Outputs 1-8
The output section of the 480 DriveRack™ offers eight electronically balanced XLR connectors.
35 WATTS
1.1 Rear Panel Connections (480)
®
Inputs 1-4
The input section of the 480 DriveRack™ offers four electronically balanced XLR connectors.
Inputs 3 and 4 offer Line/RTA switches that allow you to run a real time audio analyzer microphone directly into the input of the 480 DriveRack™. The four XLR inputs of the 480
DriveRack™ also offer Pin 1 lift switches which lift the ground of the selected XLR input pair
when pressed.
WARNING - For proper operation of the RTA microphone, the RTA button must be depressed
and the ground /lift switch must be in the grounded position. When the RTA button on the back
panel is depressed, 48V phantom power is applied to pins 2 and 3 of the XLR connector. To
maintain a proper ground return for the phantom power, the ground/lift switch must be in the
grounded position. This will prevent the possibility of electrical shock.
LCD Display
The large LCD display of the 480 DriveRack™ provides the user with all of the vital processing
information of the DriveRack™ including: signal routing, configuration modes, effect block editing and RTA displays. The top left corner of the display indicates network device ID numbers.
The reverse background number indicates the number of the slave unit being controlled, while
Mst indicates that the unit is set to act as the master.
Function Buttons
The function buttons of the 480 DriveRack™ allow access to all editing and navigating functions
of the 480 DriveRack™.
Parameter Knobs
The parameter knobs of the 480 DriveRack™ allow the user to edit parameters of selected
effects of the 480 DriveRack™. The parameter knobs of the 480 and 480R DriveRack™ units
also incorporate light display Logicators™ which surround the knob itself and indicate levels of
parameter and effect activity. The parameter knobs of the 480 DriveRack™ also provide the
1.2 Front Panel (480)
Getting Started
Section 1
DriveRack
™
DriveRack™ User Manual
3
4063100 160 250 400 630 1.0k 1.5k 2.5k 4.0k 6.3k 10k 16k
F7 4-Way FOH w/RTA
Parameter 1
Parameter 2
Single RTA
Parameter 3
Channel 1
25
+14
+12
+10
+8
+6
+4
+2
0
-2
-4
-6
-8
-10
-12
-14
315080 125 200 315 500 800 1.3k 2.0k 3.2k 5.0k 8.0k 13k 20k
20
+24 +6
+18 +4
+12 +2
+8 0
0 -2
-8 -4
-12 -8
-18 -9
-24 -12
-30 -15
-40 -20
-50 -25
-60 -30
-70 -35
-80 -40
-90 -50
®
Getting Started
DriveRack™ User Manual
4
Section 1
DriveRack
™
user with different modes of functionality including: coarse/fine encoding (successive presses
will toggle the knob between a fast and slow mode of operation) and horizontal-vertical navigators, which allow the parameter buttons (when used in program and configuration mode) to
navigate the program screen horizontally and vertically.
Input Meters
The 480 DriveRack™ provides the user with four independent 12 segment Lightpipe™ input meters that range from -30 to +22 dBu. Note:
These meters are calibrated for the +22dBu setting of the gain jumpers.
Threshold Meters
The threshold meters indicate that the threshold level has been
exceeded within the dynamics section (compressor/limiter), and gain
reduction is taking place within the specific output channel.
Output Meters
The 480 DriveRack™ provides the user with eight independent 12-segment Lightpipe™ output meters that range from -30 to +22 dBu. Note:
These meters are calibrated for the +22dBu setting of the gain jumpers.
Output Mutes
The eight output mute buttons are used for independently muting each
output on all eight outputs of the 480 DriveRack™.
Power Switch
Turns the 480 DriveRack™ on and off. Note: dbx Professional
Products recommends that power amps connected to the DriveRack™,
should be powered down prior to cycling the DriveRack™.
IEC Power Cord Receptacle
The 481 comes with an International power supply that will accept voltages ranging from 100V240V at frequencies from 50Hz-60Hz. An IEC cord is included.
RS485 Control Bus Input (DB-9 connector type)
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
RS485 Control Thru Bus (DB-9 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
RS485 Control Bus Input (RJ-45 connector type)
1.3 Rear Panel Connections (481)
®
Getting Started
Section 1
DriveRack
™
5
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
RS485 Control Thru Bus (RJ-45 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
Termination LEDs
These LEDS indicate when network is properly terminated. The Green LED indicates that the
network has been correctly terminated.
Remote Controller In Connection
This DB-9 type input connection is used to send and receive information from the 480 Remote
DriveRack™ Unit.
Outputs 1-8 (Euroblock Connectors)
The output section of the 481 DriveRack™ offers eight electronically balanced Euroblock connectors.
Inputs 1-4
The input section of the 481 DriveRack™ offers four electronically balanced Euroblock connectors.
Ground Lift Switch
This switch (when pressed in), is used to lift the Pin one ground on either inputs 1 and 2 or 3
and 4.
PC Connection
This DB-9 type connection is used to send and receive information to and from the GUI interface.
Program Up and Down
These program up and down buttons are used to scroll through the program menu of the 481.
Program Display
This program display is used to indicate the currently selected program of the 481.
ID Display
This ID display is used to indicate the current assigned identification of the 481. This identification is essential for unit recognition when the 481 is used in a network system.
Control Bus LED
1.4 Front Panel (481)
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Getting Started
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Section 1
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This LED (when lit), indicates that the 481 is connected to the control bus.
When it is flashing, the 481 is sending/receiving network information.
Remote LED
This LED (when lit), indicates that the 481 is connected to the 480R. When
it is flashing, the 481 is sending/receiving information from the 480R.
PC LED
This LED (when lit), indicates that the 481 is connected to the PC. When
it is flashing, the 481 is sending/receiving information from the PC.
Input Meters
The 481 DriveRack™ provides the user with four independent 6-segment
lightpipe™ input meters that range from -30 to +22 dBu. Note: These
meters are calibrated for the +22dBu setting of the gain jumpers.
Output Meters
The 481 DriveRack™ provides the user with eight independent 6-segment
lightpipe™ output meters that range from -30 to +22 dBu. Note: These
meters are calibrated for the +22dBu setting of the gain jumpers.
Power Switch
Turns the 481 DriveRack™ on and off. Note: dbx Professional Products recommends that power amps connected to the DriveRack™ should be powered down prior to cycling the DriveRack™.
IEC Power Cord Receptacle
The 482 comes with an International power supply that will accept voltages ranging from 100V-240V
at frequencies from 50Hz-60Hz. An IEC cord is included.
MIDI In, Out and Thru Connectors
These connectors provide MIDI functionality to the 482 DriveRack™. The In, Out and Thru jacks
allow you to use the 482 DriveRack™ at any point in the MIDI chain.
RS485 Control Bus Input (DB-9 connector type)
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
1.5 Rear Panel Connections (482)
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RS485 Control Thru Bus (DB-9 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
RS485 Control Bus Input (RJ-45 connector type)
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
RS485 Control Thru Bus (RJ-45 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
Termination LEDs
These LEDS indicate when network is properly terminated. The Green LED indicates that the network has been correctly terminated.
Remote Controller In Connection
This DB-9 type input connection is used to send and receive information from the 480 Remote
DriveRack™ Unit.
PC Connection
This DB-9 type connection is used to send and receive information to and from the GUI interface.
Outputs 1-8
The output section of the 482 DriveRack™ offers eight electronically balanced XLR connectors.
Inputs 1-4
The input section of the 482 DriveRack™ offers four electronically balanced XLR connectors.
Inputs 3 and 4 offer Line/RTA switches that allow you to run a real time audio analyzer microphone directly into the input of the 482 DriveRack™. The four XLR inputs of the 482 DriveRack™
also offer Pin 1 lift switches which lift the ground of the selected XLR input pair when pressed.
Warning - For proper operation of the RTA microphone, the RTA button must be depressed and
the ground /lift switch must be in the grounded position. When the RTA button on the back panel
is depressed, 48V phantom power is applied to pins 2 and 3 of the XLR connector. To maintain
a proper ground return for the phantom power, the ground/lift switch must be in the grounded
position. This will prevent the possibility of electrical shock.
1.6 Front Panel (482)
Getting Started
Section 1
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PC Connection
This DB-9 type connection is used to send and receive information to and from the GUI interface.
Program Up and Down
These program up and down buttons are used to scroll through the program menu of the 482.
Program Display
This program display is used to indicate the currently selected program of the 482.
ID Display
This ID display is used to indicate the current assigned identification of the 482. This identification is essential for unit recognition when the 482 is used in a network system.
Control Bus LED
This LED (when lit), indicates that the 482 is connected to the control bus.
When it is flashing, the 482 is sending/receiving network information.
Remote LED
This LED (when lit), indicates that the 482 is connected to the 480R.
When it is flashing, the 482 is sending/receiving information from the
480R.
PC LED
This LED (when lit), indicates that the 482 is connected to the PC. When
it is flashing, the 482 is sending/receiving information from the PC.
Input Meters
The 482 provides the user with four independent 12 segment lightpipe™
input meters that range from -30 to +22 dBu. Note: These meters are
calibrated for the +22dBu setting of the gain jumpers.
Threshold Meters
The threshold meters indicate that the threshold level has been exceeded within the dynamics section (compressor/limiter), and gain reduction is taking place within the specific output channel.
Output Meters
The 482 DriveRack™ provides the user with eight independent 12-segment lightpipe™ output meters that range from -30 to +22 dBu. Note:
These meters are calibrated for the +22dBu setting of the gain jumpers.
Output Mutes
The eight output mute buttons are used for independently muting each
output of the 482 DriveRack™.
Power Switch
Turns the 482 DriveRack™ on and off. Note: dbx Professional Products
recommends that power amps connected to the DriveRack™ should be
powered down prior to cycling the DriveRack™.
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IEC Power Cord Receptacle
The 442 comes with an International power supply that will accept voltages ranging from 100V240V at frequencies from 50Hz-60Hz. An IEC cord is included.
MIDI In, Out and Thru Connectors
These connectors provide MIDI functionality to the 442 DriveRack™. The In, Out and Thru jacks
allow you to use the 442 DriveRack™ at any point in the MIDI chain.
RS485 Control Bus Input (DB-9 connector type)
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
RS485 Control Thru Bus (DB-9 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
RS485 Control Bus Input (RJ-45 connector type)
This input network connection is used to receive information being sent from other units in the
DriveRack™ network link.
RS485 Control Thru Bus (RJ-45 connector type)
This Thru network connection is used to pass information to other units in the DriveRack™ network link.
Termination LEDs
These LEDS indicate when network is properly terminated. The Green LED indicates that the
network has been correctly terminated.
Remote Controller In Connection
This DB-9 type input connection is used to send and receive information from the 480 Remote
DriveRack™ Unit.
PC Connection
This DB-9 type connection is used to send and receive information to and from the GUI interface.
35 WATTS
1.7 Rear Panel Connections (442)
Getting Started
SECTION 1
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Outputs 1-4
The output section of the 442 DriveRack™ offers four electronically balanced XLR connectors.
Inputs 1-4
The input section of the 442 DriveRack™ offers four electronically balanced XLR connectors.
The four XLR inputs of the 442 DriveRack™ also offer Pin 1 lift switches which lift the ground
of the selected XLR input pair when pressed.
PC Connection
This DB-9 type connection is used to send and receive information to and from the GUI interface.
Program Up and Down
These program up and down buttons are used to scroll through the
program menu of the 442.
Program Display
This program display is used to indicate the currently selected program of the 442.
ID Display
This ID display is used to indicate the current assigned identification of the 442. This identification is essential for unit recognition when the 442 is used in a network system.
Control Bus LED
This LED (when lit), indicates that the 442 is connected to the control
bus. When it is flashing, the 442 is sending/receiving network information.
Remote LED
This LED (when lit), indicates that the 442 is connected to the 480R.
When it is flashing, the 442 is sending/receiving information from the
480R.
PC LED
This LED (when lit), indicates that the 442 is connected to the PC.
When it is flashing, the 442 is sending/receiving information from the
PC.
1.8 Front Panel (442)
DriveRack™ User Manual
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Input Meters
The 442 provides the user with four independent 12 segment lightpipe™ input meters that range
from -30 to +22 dBu. Note: These meters are calibrated for the +22dBu setting of the gain
jumpers.
Threshold Meters
The threshold meters indicate that the threshold level has been exceeded within the dynamics
section (compressor/limiter), and gain reduction is taking place within the specific output channel.
Output Meters
The 442 DriveRack™ provides the user with four independent 12-segment lightpipe™ output
meters that range from -30 to +22 dBu. Note: These meters are calibrated for the +22dBu setting of the gain jumpers.
Output Mutes
The four output mute buttons are used for independently muting each output of the 442
DriveRack™.
Power Switch
Turns the 442 DriveRack™ on and off. Note: dbx Professional Products recommends that power
amps connected to the DriveRack™ should be powered down prior to cycling the DriveRack™.
Getting Started
SECTION 1
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SECTION 1
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EDITING
FUNCTIONS
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Editing Functions
Section 2
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Editing Functions
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The 480 DriveRack™ has been carefully designed and engineered to ensure that all aspects of
operation are intuitive and logical. Simply stated, the 480 DriveRack™ operating system was
designed with user’s best interest in mind. Editing the 480 DriveRack™ can be done by utilizing key functions and tools. This section will provide you with detailed information on all of
the tools used to optimize the editing performance of your DriveRack™. This intuitive front
panel interface can also be used to control other units (481, 482 and 442) which are used within a a DriveRack™ network system.
Navigational aspects of the 480 DriveRack™ are clear, concise and more important: flexible.
The DriveRack™ provides you with essentially three different modes of navigation when performing programming edits. 1. FX buttons - This array of 12 FX buttons is your primary mode
of accessing any effect module. 2. NEXTPG & PREVPG page buttons - Successive presses
of the NEXTPG or PREVPG page buttons will move the user from one page to the next in
an effect block. 3. PARAMETER KNOBS - In addition to editing parameter values with the
PARAMETER knobs, the PARAMETER 2 & 3 knobs (when used in program mode) will move
the cursor throughout the display horizontally and vertically. For more information on this
unique feature, please see section 2.4.
The following sections will provide you with detailed information for accurate navigation of the
FX button section of the 480 DriveRack™. Each diagram indicates the functionality of each FX
button and its ability to guide the user through each operational menu.
2.2 FX Button Array Overview
2.1 Basic Navigation Modes
Editing
Functions
DriveRack™ User Manual
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PREVIOUS PAGE - Moves to the previous page in the currently selected effect menu.
NEXT PAGE - Moves to the next page in the currently selected effect menu.
EQ - Selects the EQ effect menu. Successive presses will rotate through the various
EQ modules.
XOVER - Selects the Cross over menu. Successive presses will toggle between the
various crossovers. Note: when used as a controller for the 442, pressing
the X-over button will access the notch filter section of the 442.
RTA - Enters the RTA mode of the DriveRack. Successive presses will toggle between
the RTA modules.
DELAY - Selects the DELAY effect menu. Successive presses will toggle between the
various delay modules.
DYNAMICS - Selects the Compressor/Limiter effect menu. Successive presses will
move through the dynamics modules.
OTHER - Selects the Input and Output editing sections of the DriveRack™.
PROGRAM/CONFIG - This button will load a selected program, loads the Program
mode or enters the Configuration edit mode when pressed and held.
STORE - The STORE button is used to store program edits.
UTILITY - Selects the Utility edit menu of the DriveRack.
COMPARE - The Compare button is used to compare program edits to the original
(unedited) program.
PARAMETER KNOBS - The parameter knobs perform various functions including: program
changes (parameter 1), parameter value edits and cursor navigation utilizing the parameter
knobs 2 and 3.
2.2 FX Button Array Overview (cont.)
Editing Functions
Section 2
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Editing Functions
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The parameter knob encoders of the 480 and 480R DriveRack™ Remote provide the user with
the option of coarse or fine performance modes. This means that the parameter knobs can be
set to either move or change values at a rapid (coarse) or slower (fine) rate. This option can
be selected in any mode by simply pressing the selected parameter knob. Successive presses
will toggle between coarse and fine mode.
The 480 DriveRack™ offers the horizontal-vertical navigation feature which helps streamline
navigation and editing of the unit. The Horizontal-Vertical Navigation mode allows the user to
use the parameter knobs (2&3) to quickly navigate through the program/configuration menu of
any DriveRack™ unit. This feature can be used to navigate the display screen in program or
configuration mode. To utilize this feature, simply select the high-lighted cursor, then use the
PARAMETER 2 knob to move the cursor left and right, and use the PARAMETER 3 knob to
move the cursor up and down while the unit is in Program or Configuration mode.
The front panel of the 480 and 480R allow you to copy and paste the parameter value settings
for entire effect module blocks, and then paste them into another block. Note that the information from one module must be pasted into a similar module, ie; from one dynamic module
to another. This function can be performed in a single unit, or to any unit in a network setup.
The procedure for cut and paste is as follows:
• From program mode, use the PARAMETER knobs to navigate to the desired module.
• Once the desired module has been selected, press and hold the PREVIOUS PAGE button
until the display reads: COPY.
• The information is now held in what is commonly known as the “pasteboard.”
• At this point, navigate to the unit that you wish to paste the information into using the
PARAMETERS knobs.
• If you are pasting into a unit within the network, either enter in the device id# (key pad on
the 480R, or from the Utility page in the 480).
• Once the desired module has been selected, press and hold the NEXT PAGE button and
the display will read: PASTE.
2.5 Copy/Paste Functionality
Up-DownLeft-Right
Select
1
2
3
2.4 Parameter Knobs (Horizontal-Vertical Navigation Mode)
2.3 Parameter Knob Encoders Coarse/Fine Operation
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2.6 Navigating the EQ Sections
Editing Functions
Section 2
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Navigating the "EQ and Notch Filter Sections"
To edit the parameters of the EQs and Notch Filters used in a selected program, simply use the following procedure. From progra m mode,
either press the EQ button or use the Parameter 2 or 3 knobs to move to EQ module to be edited. Once you have reached the desired EQ,
press the Parameter 2 or 3 knob. Successive presses of the EQ button will move through each channel (input or output) that utilizes an EQ module.
Navigate throughthe Pages of the selected EQ section by pressing "Next Page" or "Prev Page" successively until arriving at the desired Page.
The EQ button
toggles through
the EQs or notch
filters used in
each channel of
the selected
program
menu.
EQ
EQ
EQ
GEQ
PEQ
EQ On/Off
Flat Set/Undo
EQ On/Off
Type
Flat Set/Undo
Band 5 Freq
Q
Level
Frequency
Level
Band 1 Freq
Slope
Level
Band 6 Freq
Q
Level
Boom
Zizz
Band 2 Freq
Q
Level
Band 7 Freq
Q
Level
Band 3 Freq
Q
Level
Band 8 Freq
Band 9 Freq
Q
Slope
Level
Level
Band 4 Freq
Q
Level
Band 9 Freq
Slope
Level
NOTCH
EQ
PEQ
The PARAMETER knobs are used
to edit parameter values
Notch On/Off
EQ On/Off
Type
Flat Set/Undo
1
Notch1 Freq
Q Adjust
Level
Band 1 Freq
Q Adjust
Level
Notch 2 Freq
Q Adjust
Level
Post XOVER
Band 2 Freq
Q Adjust
Level
2 3
Band 3 Freq
Q Adjust
Level
Band 4 Freq
Q Adjust
Level
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Editing Functions
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Navigating the "X-OVER Section"
The PARAMETER knobs are used
to edit parameter values
1
2 3
The X-OVER button
toggles through
the Crossover
modules used in
each channel of
the selected
program.
X-OVER
X-OVER
Low Fc
Center Fc
High Fc
X-OVER
X-OVER
Type
Low Slope
High Slope
1X2... X-OVER
X-OVER
Filter Type
X-OVER
Lowpass
Highpass
Low Slope
High Slope
Filter - Dual Filter
1X3... X-OVER
Low1 Fc
Center1 Fc
High1 Fc
Type
Low1 Slope
High1 Slope
Low2 Fc
Center2 Fc
High2 Fc
Type
Low2 Slope
High2 Slope
X-OVER
X-OVER
1X4... X-OVER
Low1 Fc
Center1 Fc
High1 Fc
Type
Low1 Slope
High1 Slope
Low2 Fc
Center2 Fc
High2 Fc
Type
Low2 Slope
High2 Slope
Low3 Fc
Center3 Fc
High3 Fc
Type
Low3 Slope
High3 Slope
To edit the parameters of the Crossover used in a selected program, simply use the following procedure. From program mode,
either press the X-OVER button or use the Parameter 2 or 3 knobs to move to Crossover module. Once you have reached the Crossover module,
press the Parameter 2 or 3 buttons to access the editing pages of the module. Navigate through the Pages of the selected Crossover
module by pressing the "Next Page" or "Prev Page" buttons successively until arriving at the desired Page.
2.7 Navigating the XOVER
DriveRack™ User Manual
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