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Introduction

Driverack

®

4800/4820 user Manual

ii

Congratulations on your purchase of the dbx

®

DriveRack

®

4800 or 4820 system processor! Designed

to provide “Everything you need between the mixer and the power amps,” the 4800 and 4820 provide
incredible flexibility, sonic excellence, and intuitive control for performance applications. From the pow-
erful 96kHz processing engine and advanced processing algorithms, to the VGA display and direct access
Processing and Channel buttons, the DriveRack 4800 provides all the processing and control you need
for live use. The 4820 offers all the DSP functionality of the 4800 with a tamper-proof front panel for
installation use. Some of the many features of the 4800 and 4820 include:

0.1 - Driverack 4800/4820 features

• 48 and 96 kHz operation

• Color 1/4 VGA (320x240) Display (4800)

• 4 analog and AES/EBU digital inputs

• 8 analog and AES/EBU digital outputs

• 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 HiQnet networking and control

• Optional dbx ZC wall panel control

• Optional CobraNet I/O

• Optional Jensen

®

I/O Transformers

INTRODUCTION

DriveRack

®

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Содержание DriveRack 4800

Страница 1: ...User Manual 4800 4820 CompleteEqualization LoudspeakerManagementSystem...

Страница 2: ...fied service personnel or equivalent This Equipment is intended for rack mount use only If connected to 240V supply a suitable CSA UL certified power cord shall be used for this supply Safety Instruct...

Страница 3: ...Amd 1 EMC EN 55022 2006 EN 55024 1998 FCC Part 15 Supplementary Information The product herewith complies with the require ments of the Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC RoHS...

Страница 4: ...In Use 5 1 Front Panel Operation 32 5 2 GUI Operation 36 Section 6 Detailed Parameters 6 1 Input Mixer 40 6 2 Input Router 41 6 3 Input Graphic EQ 42 6 4 Input 9 Band Parametric EQ 43 6 5 Input Delay...

Страница 5: ...tory Reset 77 A 10 Ethernet Networking 78 A 10 1 Overview of TCP IP Address 78 A 10 2 Connecting the Computer Directly to the DriveRack 79 A 10 3 Setup of a Simple Isolated Ethernet Network Using DHCP...

Страница 6: ...DriveRack...

Страница 7: ...features Customer Service Info WARRANTY INFO INTRODUCTION DriveRack Introduction...

Страница 8: ...h a tamper proof front panel for installation use Some of the many features of the 4800 and 4820 include 0 1 DriveRack 4800 4820 Features 48 and 96 kHz operation Color 1 4 VGA 320x240 Display 4800 4 a...

Страница 9: ...lect Do not ship parcel post 0 3 Warranty 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 ma...

Страница 10: ...Introduction DriveRack 4800 4820 User Manual DriveRack iv...

Страница 11: ...Rear panel front panel software installa tion Getting Started Section 1 DriveRack...

Страница 12: ...t channels two XLR connectors are transformer isolated 5 Analog Output Channels 1 8 XLR The eight analog outputs of the 4800 and 4820 are electronically balanced and the signals sent to these outputs...

Страница 13: ...s of the DriveRack 4800 2 Function Buttons The Function buttons of the DriveRack 4800 allow direct access to all editing and navigating functions of the DriveRack 4800 The functions of the aforementio...

Страница 14: ...nd holding the WIZARD button enters Configuration Mode where changes to the preset configuration can be made RTA is used to view the Real Time Analyzer In other modes such as Preset Recall or Configur...

Страница 15: ...is balanced XLR input is used for the connection of an RTA microphone which may be used with the Auto EQ function in the Wizard 48V phantom power is always engaged on this connector 2 Serial PC Connec...

Страница 16: ...ol of all the links in the signal chain from within a single application It enables flagship products from best in class brands to act as one collective consciousness and makes real the benefits only...

Страница 17: ...t www harmanpro com or from the dbx website at www dbxpro com or from the included CD ROM onto your computer Once the software setup is downloaded double click on the file named System Architect setup...

Страница 18: ...Getting Started 8 Section 1 DriveRack DriveRack 4800 4820 User Manual...

Страница 19: ...Presets attributes DriveRack Philosophy Section 2 DriveRack...

Страница 20: ...xed in their positions The second type includes insertable functions that can be selected from a list in four positions this list includes Feedback Suppression Compression Noise Gate Limiter Notch Fil...

Страница 21: ...navigation modes Front Panel Operation Section 3 DriveRack...

Страница 22: ...the Edit mode where a combination of Matrix navigation and Page navigation are used to access individual parameters in the various processing modules Matrix Navigation This refers to moving around th...

Страница 23: ...T button returns you to the main preset screen that shows the signal path through the unit and all the current processing functions Additionally this main preset screen in Edit mode is the safe or hom...

Страница 24: ...Encoder Knobs below the buttons to adjust the value Copy Paste Mode Copy Paste mode lets you navigate through the processing matrix and select modules to copy and paste It is only available from the p...

Страница 25: ...50 Presets 1 While in Edit mode press the STORE button 2 To store the preset with the same name and in the same location press STORE again and then one more time to confirm storing of this preset 3 T...

Страница 26: ...ty menus including Sample Rate Analog I O Gain Structure etc 1 While in Edit mode press the UTILITY METER button 2 Scroll through the various Utility menus using Encoder Knob 1 Press the knob to enter...

Страница 27: ...king any changes press the PRESET button Configuration Mode The DriveRack 4800 is configurable from the front panel through the Configuration mode This mode lets you create a signal path and a combina...

Страница 28: ...is created press and hold the RTA LOAD button to load the configura tion 6 To exit Configuration and return to Edit mode without making any changes to the configuration press the PRESET button DriveR...

Страница 29: ...moduleview deviceview venueview Software Operation Section 4 DriveRack...

Страница 30: ...tem Architect DriveRack 4800 4820 Philosophy The philosophy of the HPro System Architect software is built around the idea of Views or Windows used interchangeably Nearly every function of the DriveRa...

Страница 31: ...Recycle Icon in the upper right hand corner allowing the window location to be reused upon opening a new module 4 3 2 Device Window The DriveRack Device View seen below is accessed by double clicking...

Страница 32: ...as the Preset Device Tools Menu In the Device Tools Menu you can access the Configuration Wizard Zone Controller Wizard Utilities and Manage Roles The Configuration Wizard is central in the operation...

Страница 33: ...Sample Rate Critical Error Count IP address etc The Device Locate On Off is a handy feature for finding devices in a larger system The Locate function flashes the front panel display The About DriveR...

Страница 34: ...utes and Solos The Mutes and Solos are also in the bottom left hand corner of the Device Window directly below the Meters Mutes provide a quick way of muting DriveRack 4800 outputs The Solos employ th...

Страница 35: ...ound on the Windows Menu of the Venue View Venue File Menu Beginning with the File Menu the Venue View lets you save and open Venue Files that are complete copies of the entire system including every...

Страница 36: ...rrently part of the venue it can be selected and dragged over into the venue view The Event Log shows system activity that has occurred within System Architect and on any HiQnet device including error...

Страница 37: ...Alignment toolbar provides tools that can be used in aligning the various units in the venue view The Windows Sets toolbar lets you have different device panels control panels and customer control pan...

Страница 38: ...iQnet and communications address Re populate Venue automatically searches for devices and adds them to your venue Grouping Wizard creates a custom control panel with channels from multiple devices lin...

Страница 39: ...roup tiles the tab groups vertically Close Current closes the selected window tab Close All closes all window tabs except the primary Venue View Venue Help Menu The Help Menu provides links to the Hel...

Страница 40: ...Software Operation 30 Section 4 DriveRack DriveRack 4800 4820 User Manual...

Страница 41: ...31 front panel operation SOFTWARE OPERATION In Use Section 5 DriveRack...

Страница 42: ...Select Preset 8 Stereo 2 Way with Sub from the preset table by turning the Encoder 1 knob until Preset 8 appears on the display 4 Press and hold the RTA LOAD button to load the preset This 2x5 preset...

Страница 43: ...c EQs on Inputs 1 and 2 4 Press the INSERT 2 button and turn the Encoder 1 knob to select the Compressor 5 Turn Encoder knob 3 to link the Compressors on Inputs 1 and 2 6 Select the Input Router on In...

Страница 44: ...e configuration loads the change is now active and audio can be passed through this new configura tion Now we ll edit the processing function parameters in the Bandpass filter Compressor and Graphic E...

Страница 45: ...d 2 by pressing the Input Channel A button and the EQ 1 button 5 Edit the Graphic EQ parameters using the NEXT and PREV buttons to move between the pages Once again Input Channels A and B are linked s...

Страница 46: ...et 5 If you want to store an altered preset over the previous preset in the same location you can press the Store delete button three times in succession 6 Once the preset is stored you re returned to...

Страница 47: ...t our configuration is complete we can Edit the parameters in the Bandpass filter Compressor and Graphic EQ as well as create the correct mono mix for our Delayed speakers 1 Double click the linked In...

Страница 48: ...In Use 38 Section 5 DriveRack DriveRack 4800 4820 User Manual...

Страница 49: ...Detailed Parameters Detailed Parameters Section 6 DriveRack...

Страница 50: ...n Control Like the Fixed functions they too can be linked between adjacent channels if there is the same type of function in the other channels The following section outlines each of the Fixed process...

Страница 51: ...ble in this module Selected Source Switch Allows selection between the input Sources Analog 1 4 AES EBU 1 4 CobraNet 1 4 Pink Noise Gain fader Provides Gain control of the internal Pink Noise source 2...

Страница 52: ...ters EQ On Off switch This turns the Graphic EQ on and off Flat Restore switch This either flattens the EQ or restores it to its previous settings Frequency switch This lets you select any one the 31...

Страница 53: ...Bell and Shelf switch Filter 1 and 9 are selectable between Bell and Shelf Filter Select switch This allows selection of the Parametric EQ filter to be adjusted Filter On Off switch This turns the Sel...

Страница 54: ...input channel Delay module on and off Delay fader This sets the amount of delay time and is adjustable in either 10 or 20 Sec steps one sample at either 96 or 48 kHz The Input Delay maximum is 680 mS...

Страница 55: ...t DSP channels Master Gain and Muting of this Mixer is also available Channels A D Provides gain control for each of the input channels inf to 20dB Master Gain fader Provides Gain control for the Mixe...

Страница 56: ...els adjust the Master Gain and Mute the output Selected Source Switch Allows selection between the input channels Channels A D Master Gain fader Provides Gain control for the Router module inf to 20dB...

Страница 57: ...t active Gain fader This sets the gain of the Crossover output and is adjustable between Inf and 20dB Lowpass and Highpass Slope switch This selects the desired slope and filter topology It offers the...

Страница 58: ...ycling is turned on it is a convenient way to jump back and forth between the Composite and filter views Bandpass and Parametric while making changes Filter Select switch This allows selection of the...

Страница 59: ...d to where it is needed Delay On Off switch This turns the output channel Delay module on and off Delay fader This sets the amount of delay time and is adjustable in either 10 or 20 Sec steps one samp...

Страница 60: ...itch The Mode switch toggles between Fixed and Live mode Fixed mode sets Fixed filters and Live mode sets Live filters Fixed filters will remain in place until they are reset Live filters will either...

Страница 61: ...the bass region and is adjustable between Off 11 7 410 1Hz Sensitivity fader The AFS algorithm is very effective when the audio has a nominal level of 0 dBu However if the audio is too low in level t...

Страница 62: ...hat region of the AGC the input signal is in The T yellow indicates the signal is within the Window A red indicates the signal is above the target window and a green indicates the AGC is adding Gain a...

Страница 63: ...e of its slow nature a fast Limiter has been added to the AGC to protect the system from sudden transients The Limiter threshold can be set from the top of the AGC Window up to 0dBFS Limiter Auto On O...

Страница 64: ...gnal Above the Threshold there is no processing The Threshold meter will light green when the threshold has been crossed and AutoWarmth is active The Threshold range is between 60 and 0 dBFS To set th...

Страница 65: ...he Threshold is the signal level at which the unit begins to compress the signal If the level is set to 10 dBFS then any signal larger than 10 dBFS is compressed and any signal that has a level that i...

Страница 66: ...r is the time the 4800 4820 remains in compression after the signal has dropped back below the threshold Hold is adjustable between 0 to 500 mSec and is dynamically set while in Auto mode Release fade...

Страница 67: ...For example in Bandpass mode the Width can be set so the De Esser will ignore frequencies above 12 kHz while still removing unwanted sibilance in the neighborhood of 6 kHz De Esser On Off switch This...

Страница 68: ...If a Ratio of 1 4 is selected a signal that is 1dB below the threshold will be reduced in gain so that it becomes 4dB below the threshold The Ratio is adjustable between 1 1 and 1 15 Max Attenuation f...

Страница 69: ...l larger than 10 dBFS is reduced in gain The range of the Threshold fader is 60 to 0dBFS PeakStopPlus On Off switch This switch engages PeakStopPlus and changes the Limiter from an RMS Root Mean Squar...

Страница 70: ...ack below the threshold Hold is adjustable between 0 and 500 mSec and is dynamically set while in Auto mode Release fader The Release parameter is the rate at which the Limiter comes out of gain reduc...

Страница 71: ...ther flatten all bands Flat or restore Restore all bands to their previous settings Filter Select switch This selects the Parametric EQ filter to be adjusted Filter On Off switch This turns the Select...

Страница 72: ...offers two separate frequency bands of synthesis to provide the best combination of frequency content and control SubHarmonic Synth On Off switch This turns the SubHarmonic Synth module on and off Su...

Страница 73: ...UTILITIES Section 7 Utilities DriveRack...

Страница 74: ...the DriveRack will support These attributes let you maximize the gain structure of the system by setting all the devices in the system so they clip at the same point The DriveRack units come from the...

Страница 75: ...s along with the password for that role Access Rights for both Processing and Device Functions must be stored by pressing the Store button while in that Access Rights menu Due to the possible complexi...

Страница 76: ...e factory for DHCP allowing it to be assigned an IP address by a DHCP Server If there is no DHCP Server present the DriveRack will then default to Auto IP meaning that it will give itself a semi rando...

Страница 77: ...DriveRack Appendix...

Страница 78: ...rmance Type dbx Type IV Conversion System Dynamic Range 113 dB unweighted 116 dB A weighted Type IV dynamic range 126 dB with transient material A weighted 22 kHz BW 123 dB with transient material unw...

Страница 79: ...dback Suppression X Over Filter Configs 1x1 1x2 1x3 1x4 1x5 1x6 1x7 1x8 2x2 2x3 2x4 2x5 2x6 2x7 2x8 3x3 3x4 3x6 3x7 4x4 4x5 4x8 Types Bessel 6 12 18 and 24 dB per Octave Butterworth 6 12 18 and 24 dB...

Страница 80: ...Appendix DriveRack DriveRack 4800 4820 User Manual 70 A 2 Block Diagram...

Страница 81: ...n o m d e p m a i b r u o f r o f s i t e s e r p s i h T y a w 4 U B E S E A T S 5 U B E S E A n o e l o s n o c l a t i g i d a m o r f l a n g i s a t p e c c a o t d e n g i s e d s i t e s e r p...

Страница 82: ...Appendix A 5 Digital I O and Clocking Clock Source 4800 4820 4800 4820 4800 4820 75 Coaxial Cable BNC T 75 BNC Terminator DriveRack DriveRack 4800 4820 User Manual 72 A 6 Word Clock Termination...

Страница 83: ...ZC input on the rear panel and ID 7 12 are connected to the bottom input To create ID 7 12 add 6 to the ID selected on the back of the ZC For example to get an ID of 10 connect to the bottom ZC Input...

Страница 84: ...45 CONNECT ONLY TO ZONE CONTROLLER I N P U T IEC60065 UL 6500 80 1342 A RJ45 CONNECT ONLY TO ZONE CONTROLLER I N P U T IEC60065 UL 6500 80 1342 A ID 1 ID 4 Diagram B Diagram C DriveRack DriveRack 4800...

Страница 85: ...am C RJ 45 8 Position RJ 45 8 Position Orange White Blue Green Blue White Brown Brown VREF Zone 1 Zone 2 Zone 4 Zone 3 Zone 5 Zone 6 GND 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 White Green White Orange Cable...

Страница 86: ...Appendix DriveRack DriveRack 4800 4820 User Manual 76 A 8 ZC 4 Wiring Diagram...

Страница 87: ...til the following message appears HARD RESET Yes MUTE 7 No MUTE 8 Pressing the MUTE 7 button will perform a System Reset resetting all device Presets and Attributes Pressing MUTE 8 will abort the Fact...

Страница 88: ...Please refer to the VPN portion of this section for more information Factory defaults for the Internet Protocol IP settings for the 4800 4820 are as follows IP Address 169 254 2 2 Subnet Mask 255 255...

Страница 89: ...Wizard in the Tools menu of the Venue View and change the IP address of the device so it can be on the same network as your computer Windows networking in its default configuration will automatically...

Страница 90: ...sists of exactly one computer that will be used to run the System Architect software and one or more 4800 4820 units 1 Connect the PC and any 4800 4820 to the switch hub using normal Ethernet cables 2...

Страница 91: ...e Internet Instead of using a dedicated real world connection such as a leased line a VPN uses virtual connections through the public network The advan tage to a VPN is that your computer can be virtu...

Страница 92: ...tor that shows the link is present Check the following connections 4800 4820 device If there is a valid connection on the 4800 4820 you will see a solid green LED PC running the System Architect softw...

Страница 93: ...um Inc Berkeley based copyrights General Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions o...

Страница 94: ...SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OT...

Страница 95: ...Appendix DriveRack DriveRack 4800 4820 User Manual 85...

Страница 96: ...Sandy Parkway Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Int l Fax 801 568 7583 Questions or comments E mail us at customer dbxpro com or visit our World Wide Web home page at www dbxpro com...

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