Related Manuals for dbx DriveRack PA
Summary of Contents for dbx DriveRack PA
- Page 1 ® ® ® Complete Equalization & Loudspeaker Control System Featuring Custom Tunings User Manual...
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Page 2: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS W W A A R R N N I I N N G G F F O O R R Y Y O O U U R R P P R R O O T T E E C C T T I I O O N N C A U T I O N P P L L E E A A S S E E R R E E A A D D T T H H E E F F O O L L L L O O W W I I N N G G : : R I S K O F E L E C T R I C S H O C K... - Page 3 Sandy, Utah 84070, USA • this device may not cause harmful inter- Date: April 19,2002 ference, and European Contact: Your local dbx Sales and Service Office or • this device must accept any interference Harman Music Group 8760 South Sandy Parkway...
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Page 4: Table Of Contents
® DriveRack Table of Contents Introduction Section 5 - Application Guide 0.1 Defining the DriveRack ® PA ......ii 5.1 2X6 Crossover..........30 0.2 Service Contact Info........iii 5.2 2X5 Crossover..........31 0.3 Warranty............iv 5.3 2X4 Crossover..........32 5.4 2X3 Crossover..........33 Section 1 - Getting Started Appendix 1.1 Rear Panel ............2 1.2 Front Panel .............2... - Page 5 ® DriveRack INTRODUCTION INTRO CUSTOMER SERVICE INFO Defining the DriveRack WARRANTY INFO ®...
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Page 6: Defining The Driverack ® Pa
Drive your PA to a whole new level of performance with the DriveRack ® PA Complete Equalization & Loudspeaker Control System. The DriveRack PA from dbx Professional Products represents a complete integration of the key elements that help ensure optimal loudspeaker sys- tem management in PA-specific applications. -
Page 7: Service Contact Info
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 war- ranty. -
Page 8: Warranty
In no event shall dbx or its dealers be liable for special or con- sequential damages or from any delay in the performance of this warranty due to causes beyond their control. -
Page 9: Section 1 - Getting Started
Section 1 ® DriveRack Getting Started ®... -
Page 10: Rear Panel
® DriveRack Section 1 Getting Started 1.1 Rear Panel Connections Left/Mono Left/Mono IEC Power Cord Receptacle ® The DriveRack PA comes with a power supply that will accept voltages ranging from 100V- 120V at frequencies from 50Hz-60Hz. An IEC cord is included. EU version accepts 220V-240V at frequencies from 50Hz-60Hz. -
Page 11: Quick Start
-30 to +20 dBu. Power Switch The Power Switch turns the DriveRack ® ® PA on and off. Note: dbx Professional Products strong- ® ly recommends that power amplifiers connected to the DriveRack ® PA, should be powered down prior to cycling the power on the DriveRack ®... - Page 12 ® DriveRack Section 1 Getting Started Signal Path Block Diagram The following diagram shows the logical and intuitive signal path of the input, effect mod- ® ules, and output of the DriveRack Meters Outputs Meters Left Input Left High Right Input Right High Left Mid Mic Input...
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Page 13: Getting Started
® DriveRack Section 1 Getting Started The RTA MIC input button is used to engage the RTA input connector. LCD Display- ® All operational information of the DriveRack PA is displayed here. The display will also notify the user if any internal clipping is taking place within the unit. The follow- ing message will appear: CLIP. - Page 14 St Tri-Amp ® DriveRack Section 1 Getting Started Rack PA WIZARD Input Setup Graphic EQ Setup Main Speaker Sub Speaker Select Input as MONO Select GEQ as Dual Select Main PA Select Sub P em Setup EQ WIZARD or STEREO. Mono or Stereo JBL SRX WIZARD...
- Page 15 ® DriveRack Section 1 Getting Started • You will now rotate the <DATA> wheel to match the same setting as your amplifier of choice. Note that based on your amp selection, the DriveRack ® PA will initially display the recommended setting of that particular amp for obtaining maximum headroom.
- Page 16 RTA XLR input, and press the <RTA Input> button. It is recommended that you use the Select an amplifier Select Sensitivity Adjust level Select optional dbx RTA-M microphone. If you wish to bypass the previous Crwn MacroTech 1202 same as your amp same as your amp >Crwn MacroTech 1202 steps all together, from program mode, press the <RTA Input>...
- Page 17 DriveRack PA WIZARD Auto EQ Auto EQ Warnin System Setup Connect mic to RTA ® DriveRack Section 1 Auto EQ WIZARD input. Press RTA RTA INPUT butto DriveRack PA WIZARD Input Setup Graphic EQ Setup Main Speaker Getting Started Select Input as MONO AFS WIZARD input button.
- Page 18 Dual Select Main PA Select Sub PA Select an amplifier Select Sensitivity JBL SRX Crwn MacroTech 1202 >SR4702X Passive >None >Crwn MacroTech 1202 >0.775 Volts ® DriveRack Section 1 Getting Started ning Auto EQ : Pink Noise Auto EQ : Pink Noise Mic Level Mic Level tton...
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Page 19: Section 2 - Editing Functions
Section 2 ® DriveRack Editing Functions EDITING FUNCTIONS ®... -
Page 20: Basic Navigation Modes
® DriveRack Section 2 Editing Functions ® Editing The DriveRack PA has been carefully designed and engineered to ensure that all aspects of operation are intuitive and logical. Simply stated, the DriveRack ® PA operating system was Functions designed with user’s best interest in mind. 2.1 Basic Navigation Modes ®... -
Page 21: Navigating The Eq Section (Geq/Peq)
® DriveRack Section 2 Editing Functions Navigating the "EQ Section" 2.3 Navigating the EQ Section (28-GEQ and PEQ) To edit the parameters of the EQs used in a selected program, simply use the following procedure. From program mode, press the EQ button to reach the EQ module to be edited. Successive presses of the EQ button will move through each channel. Navigate through the Pages of the selected EQ section by depressing "Next Page"... -
Page 22: Navigating The Crossover Section
Successive presses of the Data wheel will select effect parameters within the currently selected page. ® DriveRack Section 2 Editing Functions 2.5 Navigating the XOVER Section Navigating the Delay Section To edit the parameters of the Crossover used in a selected program, simply use the following procedure. From program mode, From program mode, press the Delay button. -
Page 23: Navigating The Comp/Limiter Section
® DriveRack Section 2 Editing Functions 2.7 Navigating the Comp/Limiter Section Navigating the Compressor/Limiter Section From program mode, press the comp/limiter button to move to eithter the Compressor or Limiter module. Once you have reached the Crossover module, successive presses of COMP/LIMITER button will move through each channel that utilizes either a Compressor (pre Crossover) or Limiter (post-crossover) module. Navigate through the Pages of the selected compressor or Limiter module by pressing the "Next Page"... -
Page 24: Navigating The Utility Section
The NEXT and PREV buttons scroll through Successive presses of the Data wheel will select the pages of selected module. effect parameters within the currently selected page. ® DriveRack Section 2 Editing Functions Navigating the Utility Section 2.9 Navigating the Utility Section Navigating the Utility Section From program mode, press the UTILITY button. -
Page 25: Driverack Pa
Section 3 ® DriveRack SOFTWARE OPERATING FUNCTIONS ®... -
Page 26: Program Definition
® DriveRack Section 3 Operating Functions The Operation section of the DriveRack ® PA will be your key to successful navigation of the operation of the DriveRack ® PA. The following information provides descriptions about pro- gram functions and operating functions of the DriveRack ®... - Page 27 ® DriveRack Section 3 Operating Functions <PREV PG> - is used to navigate back through the various pages of any module block. <NEXT PG> - is used to navigate forward through the various pages of any module block. <EQ> - is used to move to the EQ modules. Successive presses will move you through the EQ modules in the input section and through EQ modules located in the output section.
- Page 28 ® DriveRack Section 3 Operating Functions • Rotating the <DATA> wheel will change the icons on the currently selected position. • Pressing the <DATA> wheel will toggle between upper and lowercase letters, numbers or symbols. • Use the <PREV PG> and <NEXT PG> button to move icon positions. •...
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Page 29: Section 4 - Detailed Parameters
Section 4 ® DriveRack PARAMETERS DETAILED PARAMETERS ®... -
Page 30: Pre-Crossover Graphic Eq
4.2 Feedback Eliminator ® The DriveRack PA is the first product in the dbx family to offer the exclusive patent pending AFS (Advanced Feedback Suppression) feedback elimination module. Feedback is caused when a microphonic signal such as a guitar pickup or microphone is reproduced by an ampli- fication and is repeatedly picked up in phase. - Page 31 ® DriveRack Section 4 Detailed Parameters Clear Live/All This parameter clears the filters. If Clear Live is selected, then (if invoked) the live filters are reset. If Clear All is selected, then (if invoked) all of the filters are reset. When either Clear Live or Clear All is selected, the third parameter row displays “Start w/ Data Wheel.”...
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Page 32: Subharmonic Synthesizer
® DriveRack Section 4 Section 4 Detailed Parameters 4.3 Subharmonic Synthesizer The Subharmonic Synthesizer module has been specifically optimized to enhance Bass audio material for use in a variety of professional applications, including nightclub and dance DJ mix- ing, theatre and film sound, music recording, live music performance and broadcasting. The Subharmonic Synthesizer module’s two separate bands of subharmonic synthesis provide the best combination of smoothness and control, and the independent low frequency boost cir- cuit is designed to get the most out of high-performance low frequency speaker systems. -
Page 33: Post-Crossover Parametric Eq
® DriveRack Section 4 Detailed Parameters 4.5 Post-CROSSOVER PEQ ® In addition to the pre-crossover EQ options within the signal path, the DriveRack PA also offers a 2 or 3-band parametric EQ after the crossover section. The parameters for the post-crossover EQ are as follows and are user adjustable. -
Page 34: Compressor/Limiter
® DriveRack Section 4 Section 4 Detailed Parameters 4.6 Compressor/Limiter The DriveRack ® PA also offers Compression and Limiter modules. The Compressor is a full bandwidth Stereo Compressor located prior to the Crossover. The Compressor is the perfect tool for tightening uneven signal sources such as vocals and guitars. The Limiters are located on each stereo output channel and have been strategically placed for speaker and amplifier pro- tection. -
Page 35: Speaker Alignment Delay
® DriveRack Section 4 Detailed Parameters LIMITER Limiter On/Off Turns the Limiter module on and off. OverEasy (O) Off to 10 There are ten levels of OverEasy® that can be used for the limiters. The point when the com- pressor starts to compress is the "knee." When the compressor starts to reduce the level of a signal abruptly as it passes over the threshold this is called "hard knee"... - Page 36 ® DriveRack Section 4 Section 4 Detailed Parameters USER NOTES ® ® ® DriveRack ® PA User Manual...
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Page 37: Section 5 - Application Guide
Section 5 ® DriveRack APPLICATION GUIDE ®... -
Page 38: 2X6 Crossover
® DriveRack Section 5 Application Guide This Application guide section is provided to offer suggested installation applications of the ® DriveRack PA that will allow you to optimize peak performance of the units. Note that the 25 included application programs represent the extensive flexibility of the DriveRack ®... -
Page 39: 2X5 Crossover
® DriveRack Section 5 Application Guide 5.2- 2X5 Crossover Hardware ® Connect the outputs from the mixer to the inputs of the DriveRack 2. Connect the outputs of the DriveRack ® PA and run to the selected speaker amplifier. 3. Make sure that the mixer and power amps are turned off prior to powering up the DriveRack ®... -
Page 40: 2X4 Crossover
® DriveRack Section 5 Application Guide 5.3 2X4 Crossover Hardware ® Connect the outputs from the mixer to the inputs of the DriveRack 2. Connect the outputs of the DriveRack ® PA and run to the selected speaker amplifier. 3. Make sure that the mixer and power amps are turned off prior to powering up the ®... -
Page 41: 2X3 Crossover
® DriveRack Section 5 Application Guide 5.4 - 2X3 Crossover Hardware ® Connect the outputs from the mixer to the inputs of the DriveRack 2. Connect the outputs of the DriveRack ® PA and run to the selected speaker amplifier. 3. - Page 42 ® DriveRack Section 5 Application Guide USER NOTES ® ® ® ® DriveRack PA User Manual...
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Page 43: Appendix
Appendix ® DriveRack ®... -
Page 44: Factory Reset
® DriveRack Appendix A A.1 Factory Reset ® In the event that a reset is required, the DriveRack PA offers you the option of performing a “Soft” or “Hard” reset. The Soft Reset resets all operating parameters except user programs. The Hard Reset Procedure will reset all programmable information back to the factory defaults. -
Page 45: Specifications
Alignment Delay: 10ms per channel (60ms total) A/D Performance: Type: dbx Type IV conversion system Dynamic Range: >107 dB unweighted, >110 dB A-weighted Type IV dynamic range: 123 dB with transient material, A-weighted, 22kHz BW 121 dB with transient material, unweighted, 22kHz BW 115... -
Page 46: Crossover Diagrams
® DriveRack Appendix A out positive affect. You may be able to see if a lifted band is a mode by manually adjusting a lifted EQ band - if no change in the EQ is perceived, you probably are seeing a mode in your frequency response. -
Page 47: Block Diagram
® DriveRack Appendix A A.6 Block Diagram Alignment Delay Alignment Delay Alignment Delay Peak Stop Limiter Peak Stop Limiter Peak Stop Limiter 3-Band PEQ 2-Band PEQ 2-Band PEQ Crossover Section - (2X3, 4,5,6) Stereo Compressor SubHarmonic Synth AFS Notch Filters ®... -
Page 48: Prog List/Speaker Tunings/Amp Tunings
® DriveRack Appendix A A.7 Program List / Speaker Tunings / Power Amp Tunings PROGRAM LIST SRX4722X 100) Yamaha C115V SRX4725X 101) Yamaha C215V Stereo 3Way SRX4726X 102) Yamaha CM10V Stereo 2Way SRX4731X 103) Yamaha CM12V Full Range SRX4732X 104) Yamaha CM15V DJ Setup... -
Page 49: System Setup And Gain Structure
® DriveRack Appendix A A.8 System Setup and Gain Structure The DriveRack PA offers a wide range of tools for sound system design and setup. These tools can make your system more efficient and better sounding, but to get the best possible sound it is important to use these tools properly. - Page 50 ™ DriveRack Appendix A Once you have found the clip point of your amplifiers, you can mark this position and turn the amplifiers back up to the point where they are clipping. You can now use the output limiters in the DriveRack PA to protect the amplifier from clipping no matter what you do at the con- sole.
- Page 51 ™ DriveRack Appendix A USER NOTES ® ® ® ® ® ®...
- Page 52 ® 8760 South Sandy Parkway • Sandy, Utah 84070 Phone: (801) 568-7660 • Fax (801) 568-7662 Int’l Fax: (801) 568-7583 E-mail us at: customer@dbxpro.com or visit us on the web at: www.dbxpro.com A Harman International Company 18-1790V-B Printed in China...