1 Introduction

Welcome to the JBL Synthesis and DACS user guide. The below information is designed to help an installer use the SDEC and DACS kit to properly test and calibrate a room. This guide is designed to help guide you through the calibration process when using the original DACS Digital Acoustic Calibration System with the newly introduced SDEC-3000 and SDEC-4000 digital EQ systems.

NEED HELP? CALL. . .

If you encounter problems that cannot be resolved using the information presented here, please call your Synthesis Representative for further assistance.

JBL Synthesis Technical Support (USA Only):

888.691.4171

Monday through Friday 9am-6pm Eastern Time Zone

Todd Packer:

516.682.6491

 

Ron Rouse:

916.451.0225

 

Chris Neumann:

818.895.5712

 

Dan Siefert (DACS problems only):

805.492.0773

 

SHIPPING THE DACS KIT TO THE NEXT DEALER

By the time you have completed your Client's installation, you should have received a FAX or email giving detailed shipping instructions. If you have not received this information, please call immediately and request shipping information.

Unless otherwise instructed, always ship via UPS Blue.

When shipping, always insure kit for $15,000.00

2 Equipment Required:

PC with windows XP (Windows 2000 supported, for use with Windows 2000 the MDAC database components will need to be downloaded from www.microsoft.com) and one Ethernet Network port. Windows Vista has not been tested as of the writing of this manual.

￿PC must have BSS Audio London Architect installed to access advanced features. Please contact JBL Synthesis Technical Support for download instructions

￿PC should be set to DHCP (default)

￿PC may need to have Windows® firewall turned off

3 Standard Ethernet Network cables (for SDEC-4000). 2 Ethernet cables are needed for SDEC-3000.

4 port (or higher) Ethernet hub or router. JBL Synthesis has used the Linksys® brand of compact Wireless-G broadband Router with good results. Four ports are required for use with the Harman Audio Test System (HATS™) system to be released in the summer of 2008.

DACS calibration kit. These are available from JBL Synthesis on a loaner basis. The kits are not for sale and are used by all our dealers. Please contact Luisa Welsh at (818) 830-8757 to reserve your kit. The kit includes all additional tools you will need.

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SDEC -X000 DACS Calibration Manual v1.0.doc

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JBL SDEC-3000, SDEC-4000 manual Introduction, Equipment Required

SDEC-4000, SDEC-3000 specifications

The JBL SDEC-4000 is an advanced digital signal processor designed for professional audio applications, offering a range of features tailored for optimizing sound quality in both live and installation settings. This powerful device is equipped with cutting-edge technologies that elevate the audio experience through precise control and manipulation of audio signals.

One of the standout features of the SDEC-4000 is its high-performance 32-bit DSP engine, which allows for complex audio processing tasks to be executed seamlessly. This means sound engineers can utilize precise adjustments without any degradation in audio quality. The processor supports various crossover types, making it versatile for different speaker configurations and ensuring proper frequency distribution across audio systems.

The SDEC-4000 comes with comprehensive networking capabilities, supporting both Ethernet and USB connections. This enables easy integration into larger systems while allowing for remote control and monitoring via a user-friendly interface. The device also supports various audio protocols, including AES/EBU and analog inputs, providing flexibility for connecting with multiple sources.

A vital aspect of the SDEC-4000 is its extensive array of built-in algorithms for equalization, compression, limiting, and delay. These tools empower sound engineers to tailor the audio output precisely to their requirements, whether it’s for a concert, a theater production, or a permanent audio installation. With up to 20 channels of processing, users have the freedom to fine-tune each element of their sound system individually.

In addition, the SDEC-4000 features a robust and intuitive graphical user interface that simplifies programming and adjustments. Users can visually represent their audio setups, making it easier to manage complex configurations. The processor also includes comprehensive diagnostic tools, ensuring that any issues can be quickly identified and resolved, thereby maintaining optimal performance.

Furthermore, the device is built with durability in mind. Its rugged construction ensures reliability even in demanding environments, making it a trustworthy choice for both touring applications and fixed installations. The JBL SDEC-4000 is not just a technical marvel, but a comprehensive solution designed to meet the diverse needs of audio professionals, setting a new standard in digital signal processing technology.