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JL Audio 250/1v2 User Manual

JL Audio 250/1v2
11 pages
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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.
OWNER’S MANUAL
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JL Audio 250/1v2 Specifications

General IconGeneral
THD at Rated Power< 0.05%
Crossover TypeLow-pass
Power Output (RMS)250 watts x 1 @ 4 ohms
Input Sensitivity200 mV - 4 V
Fuse Rating30 A
Crossover Frequency Range50 Hz - 200 Hz
Bass Boost0 to +12 dB @ 45 Hz

Summary

PROTECT YOUR HEARING!

INSTALLATION PLANNING AND SAFETY

Guidance on optimal amplifier mounting for heat dissipation and safety precautions during installation.

PRODUCT DESCRIPTION

INSTALLATION SEQUENCE AND POWER

Steps for installing the amplifier, connecting power, and understanding fuse requirements.

TURN-ON OPTIONS

Conventional Remote Turn-On

How to use a +12V remote turn-on lead to control the amplifier's power state.

Signal Sensing Turn-On

Using audio signal presence to automatically turn the amplifier on and off.

Important Turn-On Notes

Warnings about signal sensing limitations and using turn-on output for other devices.

AMPLIFIER INPUT SECTION

Input Connections and Voltage Range

How to connect audio sources and explanation of switchable input voltage ranges.

INPUT SENSITIVITY AND CROSSOVER CONTROLS

Input Sensitivity Adjustment

How to use the Input Sens. control to match source unit output for optimal clean output.

Amplifier Low-Pass Filter

Details on the variable low-pass filter, its slope selection, and defeat option.

Bass Control Section

Description of the infrasonic filter and LF boost features.

SUBWOOFER OUTPUT AND CONNECTIONS

Subwoofer Output and Impedance Notes

Details on R.I.P.S. power supply, impedance handling, and warnings about loads.

Speaker Connections and Bridging Warning

How to connect speakers and a crucial warning against bridging amplifiers.

STATUS INDICATORS AND SERVICING

Status Indicator Lights

Explanation of the Power (Green), Thermal (Red), and Low Ω (Amber) indicator lights.

Servicing Your Amplifier

Instructions on how to obtain service and a warning against self-repair.

APPENDIX A: INPUT SENSITIVITY LEVEL SETTING

Setting Input Sensitivity Procedure

A step-by-step guide to correctly setting the amplifier's input sensitivity with necessary equipment.

APPENDIX B: FREQUENCY SELECTION CHART

APPENDIX C: SPECIFICATIONS

APPENDIX D: TROUBLESHOOTING

Troubleshooting Common Issues

Steps to diagnose and resolve common amplifier problems like no power, distortion, or no output.

INSTALLATION NOTES

LIMITED WARRANTY AND SERVICE INFORMATION

USA Limited Warranty Details

Details of the limited warranty terms, coverage, and exclusions for the amplifier.

Product Service and Contact

Instructions on how to send the product for service and contact information for inquiries.

International Warranty Disclaimer

Information regarding warranties for products purchased outside the United States.

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