JL Audio m2250 Owner's Manual
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JL Audio m2250 Owner's Manual

JL Audio m2250 Owner's Manual

250w 2-channel marine amplifier
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OWNER'S MANUAL
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 vehicle.
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.

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Summary of Contents for JL Audio m2250

  • Page 1 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.

  • Page 2: Protect Your Hearing

    Cooling Efficiency Considerations: proper cooling. high-power amplifiers are capable of producing use in aircraft. The outer shell of your JL Audio amplifier such high sound pressure levels when connected is designed to remove heat from the amplifier Safety Considerations: amplifier with the outputs of a second amplifier, circuitry.
  • Page 3 14) Turn on the source unit at a low level Note: Smaller AWG numbers mean bigger wire being run from that power wire. If only the M2250 to double-check that the amplifier is and vice-versa (1/0 AWG is the largest, 2 AWG is...

  • Page 4: Input Section

    (quieter for a given input voltage.) which can degrade subwoofer performance. accommodated by the M2250’s input section The active filter built into the M2250 can be useful for connection of component speakers to (200mV – 8V). This wide range is split up into used to eliminate potentially harmful and/or the M2250’s channels in a bi-amplified system.

  • Page 5: Speaker Outputs

    250W x 1 into a 4 ohm load or There are two status indicator lights on the The M2250 is designed to deliver power into 160W x 1 into an 8 ohm load. Operating a input / control end of the amplifier.
  • Page 6 If the vessel’s supply voltage drops below 10 return it to your authorized JL Audio dealer so volts, the entire amplifier will shut itself off to that it may be sent in to JL Audio for service. Power There are no user serviceable parts or fuses inside indicator will turn off when this occurs.
  • Page 7 Following the directions below will allow the target voltage is observed with the voltmeter. “FILTER FREQ” AMP FILTER installer to adjust the input sensitivity of each 9) Once you have adjusted the M2250 to its General Specifications: Detent Panel Actual...

  • Page 8: Appendix D: Troubleshooting

    Please refer to Appendix A (page 12) to set the input sensitivity for Check your voltage source and grounding point. The power supply maximum, low-distortion output. of the M2250 will operate with charging system voltages “My amplifier doesn’t turn on” down to 10V. Shutdown problems at higher volume levels Check the fuse, not just visually, but with a continuity meter.

  • Page 9: Installation Notes

    INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. JL AUDIO M2250 JL AUDIO M2250...
  • Page 10 INSTALLATION NOTES: INSTALLATION NOTES: JL AUDIO M2250 JL AUDIO M2250...
  • Page 11 International Warranties: Products purchased outside the United States of America are covered only by that country’s distributor and not by JL Audio, Inc. Absolute Symmetry™ Class A/B Amplifier Circuit is covered by U.S. Patent #6,294,959 and is pending in the countries listed below.

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