JL Audio M600/1 Owner's Manual
JL Audio M600/1 Owner's Manual

JL Audio M600/1 Owner's Manual

600w marine monoblock subwoofer amplifier
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OWNER'S MANUAL
600W Marine Monoblock Subwoofer 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.

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Summary of Contents for JL Audio M600/1

  • 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

    The outer shell of your JL Audio amplifier is installed electronic devices. You should also take such high sound pressure levels when connected...
  • Page 3: Product Description

    If the M600/1. overall output and the desired balance only the M600/1 is being run from that power in the system. See Appendix A (page 14) Note: Smaller AWG numbers mean bigger wire, we recommend a 50A fuse be used.
  • Page 4: Turn-On Lead

    TURN-ON LEAD INPUT SECTION INPUT SENSITIVITY CONTROLS The M600/1 uses a conventional +12V remote The M600/1’s input section allows you to send Input Sens. turn-on lead, typically controlled by the source signal to the amplifier section through the use used to match the source unit’s output voltage to unit's remote turn-on output.
  • Page 5: Filter Controls

    Filter” is highly recommended to protect the subwoofer performance. an external active crossover in the system. speaker(s) from excessive excursion at inaudibly The active low-pass filter built into the M600/1 With the internal crossover turned off, the low frequencies. When connected to the amplifier, the is designed to attenuate frequencies above its M600/1’s upper frequency response limit is 500...
  • Page 6: Subwoofer Outputs

    JL Audio dealer so functioning normally, audio output is active. that it may be sent in to JL Audio for service. The preamp output signal by any crossover There are no user serviceable parts or fuses inside...
  • Page 7 Linkwitz-Riley with continuously variable cutoff frequency frequency range to be amplified by the M600/1) 35 ......337 selection from 50 - 500 Hz (defeatable).
  • 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 M600/1 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. 16 | JL Audio - M600/1 Owner’s Manual...
  • Page 10 Miramar, FL 33025 (do not send product for repair to this address) International Warranties: Products purchased outside the United States of America are covered only by that country’s distributor and not by JL Audio, Inc. Printed in China M600/1 MAN-01-2010...

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