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JL AUDIO 500/1
monoblock subwoofer amplifier
o w n e r ' s m a n u a l
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).

Summary of Contents

  • Page 1

    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...

  • Page 2

    Cooling Efficiency Considerations: Your JL Audio amplifier employs an advanced type of heat management, called RealSink™.This feature takes advantage of convection and radiation effects to remove heat from the amplifier circuitry.

  • Page 3

    PRODUCT DESCRIPTION The JL Audio 500/1 is a monoblock subwoofer 7) Securely mount the amplifier using the amplifier utilizing proprietary and patented Class D supplied screws. technology. Its frequency response is limited to the 8) Connect the positive and negative power range below 250 Hz.

  • Page 4

    200mV and 2V. This means that the “Input Sens.” rotary control will operate within that voltage window. If you are using an aftermarket source JL AUDIO 500/1 JL AUDIO 500/1 unit, with conventional preamp-level outputs, this is most likely the position that you will use.

  • Page 5

    “Input Voltage” settings. All “slave” amplifiers should get this switch set to “Low”. See Appendix C (page 16) for details. JL AUDIO 500/1 JL AUDIO 500/1 ADVANCED BASS CONTROL SECTION The 500/1 includes a versitile bass processing...

  • Page 6

    Do not chassis ground any speakers connected This sophisticated power supply allows the amplifier to this or any other JL Audio amplifier. Doing so will to produce its optimum power (500 watts x 1) cause the amplifier to go into protection and mute over a wide range of speaker impedances.

  • Page 7

    38 ..... . .192 39 ..... . .197 Full-clockwise : 197 JL AUDIO 500/1 JL AUDIO 500/1 CHART A-3...

  • Page 8

    11 - 14.5V. This design is beneficial for many 4Ω (or higher) reasons. One of these reasons is ease of setup. Because each JL Audio amplifier will always deliver the same amount of power within its operational range of impedances and supply voltages, the maximum, unclipped output is very predictable.

  • Page 9

    MASTER: +12VDC The Master amplifier’s “Advanced Bass Control” section is active and affects all three amplifiers equally. JL AUDIO 500/1 monoblock subwoofer amplifier SLAVE (A): This Slave amplifier’s +12VDC “Advanced Bass Control” section and AMP LP Filter are...

  • Page 10

    Check the nominal load impedance to verify that the amplifier is driving a load between 1.5 - 4Ω. JL Audio monoblock amplifiers have two “+” positive connections and two “–”...

  • Page 11

    2-Channel, with fully independent, state-variable, 12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley filter with continuously variable cutoff frequency selection from 40 - 200 Hz, defeatable JL AUDIO 500/1 JL AUDIO 500/1 ADVANCED BASS CONTROL SECTION: Parametric EQ: Single-band, fully parametric equalizer with “Q”...

  • Page 12

    INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. +12VDC Ground Remote JL AUDIO 500/1 monoblock subwoofer amplifier JL AUDIO 500/1 JL AUDIO 500/1...

  • Page 13

    LIMITED WARRANTY - AMPLIFIERS (USA) JL AUDIO warrants this product to be free of defects in materials and workmanship for a period of ninety (90) days from the original date of purchase. The warranty term is extended to two (2) years if installation is performed or approved by an authorized JL AUDIO dealer (proof of installation or approval required on purchase receipt).

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