JL Audio 1000/1 User Manual

Thank you for purchasing a JL Audio amplifier for
your automotive sound system.
Your amplifier has been designed and manufactured to exacting
standards in order to ensure years of musical enjoyment in your
vehicle. For maximum performance and extended warranty
coverage, 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 (Eastern Time Zone).
JL AUDIO 1000/1
monoblock subwoofer amplifier
owner’s manual

JL Audio 1000/1 Specifications

General

Signal to Noise Ratio	>95 dB
Input Sensitivity	200mV - 8V
RMS Power at 2 Ohms	1000W x 1
RMS Power at 1.5 Ohms	1000W
Rated Power (14.4V, 1% THD)	1000W
THD+N	<0.05% at rated power
Damping Factor	> 500
Dimensions	2.36"
Fuse Rating	80A

Summary

INSTALLATION APPLICATIONS

Planning Your Installation

Covers crucial considerations for planning amplifier installation.

Cooling Efficiency Considerations

Discusses factors affecting amplifier cooling for optimal performance.

Safety Considerations

Outlines crucial safety aspects for amplifier installation and placement.

PROTECT YOUR HEARING!

PRODUCT DESCRIPTION

TYPICAL INSTALLATION SEQUENCE

POWER CONNECTIONS

FUSE REQUIREMENTS

REMOTE TURN-ON

AMPLIFIER INPUT SECTION

Input Voltage Range

Details the selectable input voltage ranges for sensitivity adjustment.

Input Sensitivity Adjustment

Guides users on setting the input sensitivity for optimal performance.

CROSSOVER CONTROLS

Amplifier Low-Pass Filter

Explains the function and adjustment of the amplifier's low-pass filter.

PREAMP OUTPUT SECTION

Out Filter Mode

Preamp output uses an independent filter, configurable for HP/LP.

ADVANCED BASS CONTROL SECTION

Parametric Bass Equalizer

Allows adjustment of bass frequency center, bandwidth, and boost.

SUBWOOFER OUTPUT

OUTPUT POLARITY SWITCH

STATUS INDICATOR LIGHTS / PROTECTION CIRCUITRY

APPENDIX A: PRECISE FREQUENCY SELECTION

APPENDIX B: INPUT SENSITIVITY LEVEL SETTING

APPENDIX C: MASTER/SLAVE CONFIGURATIONS

APPENDIX D: TROUBLE SHOOTING

Amplifier Not Turning On

Troubleshooting steps for when the amplifier does not power up.

Distorted or Attenuated Sound

Diagnosing causes of poor audio output quality.

Amplifier Shuts Off

Troubleshooting steps for intermittent shutdowns at high volumes.

No Output When Turned On

Diagnosing issues causing no audio output from the amplifier.

APPENDIX D: TROUBLE SHOOTING (CONT.)

Output Fluctuates

Troubleshooting steps for output fluctuations with bumps or taps.

APPENDIX E: 1000/1 SPECIFICATIONS

INSTALLATION NOTES

LIMITED WARRANTY - AMPLIFIERS (USA)