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JBL LSR4312SP - User Manual

JBL LSR4312SP
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LSR4312SP
Linear Spatial Reference
Powered Sub
woofer
Owner’s Manual
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Summary

Important Safety Instructions

Introduction

Manual Conventions

Explains the conventions used in the owner's manual, including special tips and cautions.

Features

RMCTM Room Mode Correction

Details JBL's RMC technology for analyzing and correcting room acoustics for better sound.

HiQnet Networking

Describes the Harman HiQnet protocol for networking up to eight monitors and two subwoofers.

Surround Smart

Details how the subwoofer integrates into surround sound production and monitoring.

Selectable Inputs

Lists and describes the various analog and digital input options available on the subwoofer.

Quick Start

Front Panel Controls

Core Controls Overview

Details Meter Display, Power Indicator, Power Button, and SOLO function.

Bass Management & Filter Settings

Explains controls for Bass Management, Crossover, and LFE Filter settings.

Level Adjustment & Input Selection

Describes subwoofer level adjustment and input source selection.

Rear Panel Connections

Audio Input;Output Connectors

Details analog/digital connectors and input sensitivity switch for audio signals.

Digital and Networking Connectors

Explains HiQnet connectors, USB port, and DIP switches for system configuration.

Remote Control Functions

Bass Management and Filter Controls

Covers remote control of Bass Management, X OVER, and LFE Filter settings.

Subwoofer Level and Solo Controls

Explains remote control of subwoofer level and soloing functions for individual speakers.

Subwoofer Placement and Polarity

Subwoofer Placement

Provides guidance on optimal placement for stereo and surround sound setups.

Polarity Setting

Explains how to set the subwoofer polarity manually or automatically via RMC.

Network Connections and DIP Switch Settings

Network Interconnections

Details how to interconnect LSR4300 speakers and subwoofers using CAT5 cables.

DIP Switch Settings for Network Operation

Explains DIP switch settings for network operation, including speaker ID and channel assignment.

Audio Connections

Analog Connections

Explains connecting analog sources via XLR or 1/4" jacks and routing signals to speakers.

Digital Connections

Details connecting digital sources via AES/EBU or S/PDIF and their configuration.

Protection Circuitry

Explains peak limiting and thermal protection circuits within the subwoofer.

RMCTM Room Mode Correction

Restoring Factory Settings and Software Control

LSR4300 Control Center Software

Explains how to use the Control Center Software for system control and configuration.

Appendix A: About Surround Sound

The LFE Channel

Explains the LFE channel's role in surround sound and its low-frequency effects.

Bass Management

Explains using the subwoofer to reproduce bass frequencies from all main channels.

Appendix B: Using Two LSR4312 SP Subwoofers

Appendix C: Using with Other Speakers

Functional Features

Lists onboard features that remain functional when used with non-JBL LSR series speakers.

Non-Functional Features

Highlights advanced features that are not functional with speakers other than the LSR4328P/LSR4326P.

Appendix D: System Block Diagram

Signal Processor Overview

Provides a diagram illustrating the signal flow and processing within the subwoofer.

Appendix E: Wiring Requirements

Analog Connections

Provides recommendations for optimal analog signal wiring using balanced and unbalanced sources.

Digital Audio Connections

Recommends high-quality cabling for AES/EBU and S/PDIF digital audio connections.

Appendix F: Error Messages and Troubleshooting

List of Error Messages

Details common error messages, their causes, and corrective actions for troubleshooting.

Troubleshooting List

Provides a list of common operational issues and their remedies for quick problem-solving.

Appendix G: Important Information About LSR4300 Firmware

Firmware Update Procedure

Explains how to check and update the firmware for compatible LSR4300 speakers.

Specifications

System Specifications

Lists detailed technical specifications for the system, including frequency response and SPL.

Amplifier and I;O Specifications

Details amplifier power, distortion, input/output connector specs, and sensitivity.

Warranty Statement

Warranty Coverage and Service

Explains warranty coverage, exclusions, and how to obtain repair services.

JBL Professional Contact Information

Customer Service and Online Resources

Details customer service hours, contact numbers, and website resources for support.

Summary

Important Safety Instructions

Introduction

Manual Conventions

Explains the conventions used in the owner's manual, including special tips and cautions.

Features

RMCTM Room Mode Correction

Details JBL's RMC technology for analyzing and correcting room acoustics for better sound.

HiQnet Networking

Describes the Harman HiQnet protocol for networking up to eight monitors and two subwoofers.

Surround Smart

Details how the subwoofer integrates into surround sound production and monitoring.

Selectable Inputs

Lists and describes the various analog and digital input options available on the subwoofer.

Quick Start

Front Panel Controls

Core Controls Overview

Details Meter Display, Power Indicator, Power Button, and SOLO function.

Bass Management & Filter Settings

Explains controls for Bass Management, Crossover, and LFE Filter settings.

Level Adjustment & Input Selection

Describes subwoofer level adjustment and input source selection.

Rear Panel Connections

Audio Input;Output Connectors

Details analog/digital connectors and input sensitivity switch for audio signals.

Digital and Networking Connectors

Explains HiQnet connectors, USB port, and DIP switches for system configuration.

Remote Control Functions

Bass Management and Filter Controls

Covers remote control of Bass Management, X OVER, and LFE Filter settings.

Subwoofer Level and Solo Controls

Explains remote control of subwoofer level and soloing functions for individual speakers.

Subwoofer Placement and Polarity

Subwoofer Placement

Provides guidance on optimal placement for stereo and surround sound setups.

Polarity Setting

Explains how to set the subwoofer polarity manually or automatically via RMC.

Network Connections and DIP Switch Settings

Network Interconnections

Details how to interconnect LSR4300 speakers and subwoofers using CAT5 cables.

DIP Switch Settings for Network Operation

Explains DIP switch settings for network operation, including speaker ID and channel assignment.

Audio Connections

Analog Connections

Explains connecting analog sources via XLR or 1/4" jacks and routing signals to speakers.

Digital Connections

Details connecting digital sources via AES/EBU or S/PDIF and their configuration.

Protection Circuitry

Explains peak limiting and thermal protection circuits within the subwoofer.

RMCTM Room Mode Correction

Restoring Factory Settings and Software Control

LSR4300 Control Center Software

Explains how to use the Control Center Software for system control and configuration.

Appendix A: About Surround Sound

The LFE Channel

Explains the LFE channel's role in surround sound and its low-frequency effects.

Bass Management

Explains using the subwoofer to reproduce bass frequencies from all main channels.

Appendix B: Using Two LSR4312 SP Subwoofers

Appendix C: Using with Other Speakers

Functional Features

Lists onboard features that remain functional when used with non-JBL LSR series speakers.

Non-Functional Features

Highlights advanced features that are not functional with speakers other than the LSR4328P/LSR4326P.

Appendix D: System Block Diagram

Signal Processor Overview

Provides a diagram illustrating the signal flow and processing within the subwoofer.

Appendix E: Wiring Requirements

Analog Connections

Provides recommendations for optimal analog signal wiring using balanced and unbalanced sources.

Digital Audio Connections

Recommends high-quality cabling for AES/EBU and S/PDIF digital audio connections.

Appendix F: Error Messages and Troubleshooting

List of Error Messages

Details common error messages, their causes, and corrective actions for troubleshooting.

Troubleshooting List

Provides a list of common operational issues and their remedies for quick problem-solving.

Appendix G: Important Information About LSR4300 Firmware

Firmware Update Procedure

Explains how to check and update the firmware for compatible LSR4300 speakers.

Specifications

System Specifications

Lists detailed technical specifications for the system, including frequency response and SPL.

Amplifier and I;O Specifications

Details amplifier power, distortion, input/output connector specs, and sensitivity.

Warranty Statement

Warranty Coverage and Service

Explains warranty coverage, exclusions, and how to obtain repair services.

JBL Professional Contact Information

Customer Service and Online Resources

Details customer service hours, contact numbers, and website resources for support.

JBL LSR4312SP Specifications

General IconGeneral
Input ConnectorsXLR, TRS
OutputsXLR
TypePowered Subwoofer
Driver Size12 inches
Amplifier Power300W
LF Driver12 inches
Power Output300 Watts

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