JBL Synthesis SDEC-3000 Calibration Manual
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JBL Synthesis SDEC-3000 Calibration Manual

Digital equalizer with dacs
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®
S
YNTHESIS
SDEC-3000
SDEC-4000
D
E
IGITAL
QUALIZER
WITH
DACS C
ALIBRATION
C
& M
HECKLIST
ANUAL

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Summary of Contents for JBL Synthesis SDEC-3000

  • Page 1 ® YNTHESIS SDEC-3000 SDEC-4000 IGITAL QUALIZER WITH DACS C ALIBRATION & M HECKLIST ANUAL...

  • Page 2: Table Of Contents

    1 Introduction... 4 2 Equipment Required: ... 4 3 Calibration Checklist ... 5 4 SDEC Hardware Connection ... 6 Audio Connections... 6 Ethernet Connection... 8 4.2.1 Initial Network Connection... 8 5 Software Operation using the Java Remote ... 9 Using the JAVA Remote ... 9 5.1.1 Speaker Setup Screen...
  • Page 3 11 Saving Your Work ... 20 11.1 Save a copy using SAVE AS ... 20 11.2 Save to Network Device ... 20 12 Recalling Saved Settings... 20 12.1 Recalling from a Saved File... 20 12.2 Recalling without a Saved File ... 20 12.3 Recalling from Network Device ...

  • Page 4: Introduction

    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 •...

  • Page 5: Calibration Checklist

    Follow this list in the order below and you will be guaranteed a great sounding and properly calibrated JBL Synthesis installation. Speaker placement and installation is correct...

  • Page 6: Sdec Hardware Connection

    Please refer to the SDEC Installers Manual for detailed hardware connection instructions and diagrams. Check the SDEC for correct connection using the below chart for SDEC-3000 and the next page for SDEC-4000 installations: Make sure you have access to the SDEC-3000 or SDEC-4000P and SDEC-4000X Ethernet port(s).
  • Page 7 SDEC-4000 with Bi-Amplified Fronts Surround Processor to SDEC4000P Inputs S4000IC Number Channel Left Front Right Front Center Front Left Side Right Side Left Rear Right Rear Subwoofer (Mono Sub L) SDEC4000X Outputs to Amplifiers S4000IC Number Channel Left Front-Low Left Front -Hi Right Front -Low Right Front -Hi Center Front -Low...

  • Page 8: Ethernet Connection

    (figure 4). NOTE: The below instructions assume you will be using an Ethernet hub or router. If you are using the SDEC-3000 you can optionally use a crossover cable and not use a hub. Figure 3. SDEC-3000 Figure 4.

  • Page 9: Software Operation Using The Java Remote

    5 Software Operation using the Java Remote The SDEC can be controlled and configured from any computer that has access to the network via Ethernet. All necessary features can be accessed and all system setup parameters can be viewed and adjusted using the JAVA remote but advanced features can only be accessed if using London Architect to configure the SDEC.

  • Page 10: Software Operation Using London Architect

    Software ™ 6.2 Initial Software Connection to the If you are using SDEC-3000 or SDEC-4000 file version 1.0 of higher the software will automatically attempt to connect. The software automatically checks the hardware and updates any of the following to the latest version.

  • Page 11: Opening From A Network Device

    To do this select “File” then to “Open from Device Network” instead of “File” and “Open” Note: Check to make sure that you are using the most current version of the control file. Please contact JBL Synthesis Technical Support or your JBL Synthesis Representative for the most current information.

  • Page 12: Online Mode

    6.3 ONLINE Mode When in ONLINE mode you are actively controlling the SDEC-3000 or SDEC-4000. The SDEC-4000 can be configured for Full Range (factory default) or Bi-amp mode. The SDEC-4000 is set to full range to ensure that the bi-amp speakers without built in crossovers will not be damaged accidentally.

  • Page 13: Eq Controls

    6.3.2 EQ Controls Entering the EQ settings can be accomplished simply by clicking inside the boxes and typing in your settings. Any channel can be accessed by selecting from the channel list on the left. Enter the EQ filter settings here Click on the channel button to show the EQ...

  • Page 14: Channel Delay (Speaker Distance Offset Correction)

    6.3.3 Channel Delay (Speaker Distance Offset Correction) Do not enter the distance measured into the channel distance box. Use the longest measured distance as your 0 reference and SUBTRACT each speaker distance from this reference. This result is the number you should enter. For example: If the Left is 10 ft from the primary listening seat and the center is 8 ft, you should enter 0 ft into the left (10 ft –...

  • Page 15: Channel Output

    6.3.4 Channel Output Use each output to adjust each channel to give the same output level using an SPL meter. 6.3.5 Level Matching Multiple Surround and Subwoofer Channels The SDEC-4000 has multiple outputs for Subwoofers and Side Surrounds. These will need to be level matched to each other before final output levels are set.

  • Page 16: Speaker Sound Check

    7 Speaker Sound Check Use the circulating noise generator of the Surround Processor to confirm that all channels have output and that each speaker is connected to its corresponding channel. 8 Speaker Phase Test This procedure uses the Surround Processor to route the phase tester's output to the appropriate channel for test.

  • Page 17: Dipole Surrounds

    8.2.2 Dipole Surrounds Regardless of model there is one standard for phase configuration of Dipole surrounds. Figure 16. 8.2.3 Direct Radiating Point Source Surrounds Figure 17. 8.3 Using the Phase Tester The Galaxy Audio phase tester consists of two battery operated instruments, Cricket-S is the "sender", and Cricket-R is the "receiver".

  • Page 18: Setting Output Level

    9 Setting Output Level 9.1 Setting Levels before Calibrating Using the internal noise generator of the SDP set all outputs to achieve 75dB using the “C” weighting and “SLOW” response. This will maintain the best signal to noise and headroom possible by optimizing the gain structure of the system.

  • Page 19: Dacs Measurement System

    10 DACS Measurement System 10.1 DACS Hardware Setup Unpack the DACS Kit and setup the microphone array. Make all standard connections except for connecting to the SDEC. Use the below diagram as a guide. Note: Please refer to the DACS manual that comes with the DACS Kit for detailed instructions.

  • Page 20: Parametric Filter Values

    This is the same file that is saved in the SDEC but all the settings are flat with no EQ or calibration settings saved. This is the file you would have received from JBL Synthesis or opened from the device network originally. Using this “blank”...

  • Page 21: Advanced Features

    Due to this possibility JBL Synthesis is not releasing the information except to qualified personnel who have undergone advanced training with JBL Synthesis personnel.
  • Page 22 Figure 21. Figure 22. Figure 23. - 22 - SDEC -X000 DACS Calibration Manual v1.0.doc...

  • Page 23: Troubleshooting Guide

    Check Cobranet connections Use London Architect to update Close the project and reopen. When prompted if you want to change HiQnet address select NO. Call your JBL Synthesis representative or JBL Synthesis technical support for the proper password. Use the Java Remote...
  • Page 24 - 24 - SDEC -X000 DACS Calibration Manual v1.0.doc...

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Synthesis sdec-4000

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