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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 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™. 1.1 Defining the DriveRack™ System 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 ® DriveRack™ User Manual ii Introduction DriveRack™ • 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 or 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 480R DriveRack™ features: • Dedicated remote interface to control all 480, 481 and 482 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, Allen & Heath™ ML5000 and Midas™ Heritage ® DriveRack™ User Manual iii Introduction DriveRack™ DriveRack™ ® DriveRack™ User Manual 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...