JL Audio NexD M800/8v2 User Manual

OWNER’S MANUAL
Remote
Level
Mode
All
|
5- 8
|
7&8
Input Mode
2 Ch.
|
4 Ch.
|
8 Ch.
CH. 7
(
L
)
CH. 8
(
R
)
CH. 7 & 8
Filter Mode
Filter Freq. (Hz)
Input
Sens.
O
|
HP
|
LP
CH. 5
(
L
)
CH. 6
(
R
)
CH. 3
(
L
)
CH. 4
(
R
)
CH. 1
(
L
)
CH. 1 & 2
CH. 3 & 4 CH. 5 & 6
CH. 2
(
R
)
Filter Mode
Filter Freq. (Hz)
Input
Sens.
O
|
HP
|
LP
Filter Mode
Filter Freq. (Hz)
Input
Sens.
O
|
HP
|
LP
Filter Mode
Filter Freq. (Hz)
Input
Sens.
O
|
HP
|
LP
CH. 1
CH. 2
CH. 3
CH. 4
CH. 5
CH. 6
(
L
)
(
R
)
CH. 7
CH. 8
INPUT SECTION
+12 VDC Ground Remote
Turn-On
Mode
Rem.
|
Oset
|
Signal
Input Voltage
Low
|
High
2 Ch. Input 1 feeds CH. 1, CH. 3, CH. 5 & CH. 7
Input 2 feeds CH. 2, CH. 4, CH. 6 & CH. 8
4 Ch. Input 1 feeds CH. 1 & CH. 3
Input 2 feeds CH. 2 & CH. 4
Input 5 feeds CH. 5 & CH. 7
Input 6 feeds CH. 6 & CH. 8
8 Ch. Each input feeds its
corresponding output channel
INPUT MODES:
Marine 8 Channel Amplifier
Thank you for purchasing a JL Audio amplifier for
your marine sound system.
Your amplifier has been designed and manufactured to exacting
standards in order to ensure years of musical enjoyment in your vessel.
For maximum performance, we highly recommend that you have
your new amplifier installed by an authorized JL Audio dealer. Your
authorized dealer has the training, expertise and installation equipment
to ensure optimum performance from this product. Should you
decide to install the amplifier yourself, please take the time
to read this manual thoroughly so as to familiarize yourself
with its installation requirements and setup procedures.
If you have any questions regarding the instructions in this
manual or any aspect of your amplifier’s operation, please contact your
authorized JL Audio dealer for assistance. If you need further assistance,
please call the JL Audio Technical Support Department
at (954) 443-1100 during business hours.
800W Marine 8 Channel Amplier

JL Audio NexD M800/8v2 Specifications

General

Brand	JL Audio
Model	NexD M800/8v2
Category	Amplifier
Language	English

Summary

M800/8v2 Amplifier Overview

Product Introduction

Introduction to the JL Audio M800/8v2 marine amplifier and its purpose.

Installation Planning and Safety

Hearing Protection Warning

Warning to protect hearing from high sound pressure levels generated by the amplifier.

Serial Number Recording

Space to record the amplifier's serial number for service or theft.

Installation Guidelines

Key considerations for planning, cooling, mounting, and safety during installation.

Product Description and Installation

Product Description

Overview of the JL Audio M800/8v2 eight-channel marine amplifier.

Typical Installation Sequence

Step-by-step guide for a typical amplifier installation process.

Power Connections

Detailed instructions and requirements for connecting power to the amplifier.

Turn-On Options and Input Section

Turn-On Options

Methods for switching the amplifier on and off: remote, signal-sensing, DC offset.

Input Section Overview

Description of the amplifier's input section and RCA jack connections.

Input Voltage Range Selection

Selecting input sensitivity range for preamp or speaker-level signals.

Amplifier Controls

Input Sensitivity Controls

Adjusting input sensitivity for maximum clean output without distortion.

Filter Controls

Using built-in active filters (Low-Pass/High-Pass) to manage frequency ranges.

Remote Level Control (Optional)

Using the optional HD-RLC for remote volume control of specific channels.

Speaker Outputs and Bridging

Speaker Outputs

Connecting speaker wires and recommended load impedance for outputs.

Bridging Considerations

Combining amplifier channels to drive a single load, including input requirements.

Status LED / Protection Circuitry

Understanding the multi-color LED for amplifier status and protection modes.

Servicing and Support

Servicing Your JL Audio Amplifier

Instructions for returning the amplifier for service and warnings against self-repair.

Technical Support Contact

Information for contacting JL Audio Technical Support for assistance.

Appendices

Appendix A: Input Sensitivity Level Setting

Procedure for setting input sensitivity using a voltmeter and test tone.

Appendix B: Frequency Selection Chart

Chart for precise frequency selection for filter controls.

Appendix C: M800/8v2 Specifications

Technical specifications for the M800/8v2 amplifier.

Troubleshooting

Input Sensitivity Issues

Troubleshooting problems related to setting amplifier input sensitivity.

No Sound Output

Diagnosing issues when the amplifier turns on but produces no audio output.

Intermittent Output or Shutdowns

Troubleshooting fluctuating output or unexpected shutdowns at high volumes.

Installation Notes

Control and Switch Diagram

Diagram for documenting amplifier switch and control positions.

Limited Warranty

USA Warranty Terms

Details of the two-year limited warranty for JL Audio amplifiers in the USA.

Service and Return Policy

Procedures for warranty returns, required documentation, and shipping instructions.