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OWNER'S MANUAL
600W Monoblock Subwoofer Amplifier
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, 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 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 NexD XD600
- Page 1 OWNER’S MANUAL 600W Monoblock Subwoofer Amplifier 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, we highly recommend that you have your new amplifier installed by an authorized JL Audio dealer.
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Page 2: Protect Your Hearing
Infrasonic LP Filter Filter Filter Status Mode/Slope Frequency Selection Selection Selector (pg. 9) (pg. 11) (pg. 8) (pg. 8) Input Turn-On Input Sensitivity Voltage Mode Control (pg. 7) (pg. 6) (pg. 7) 2 | JL Audio - XD600/1v2 Owner’s Manual... -
Page 3: Planning Your Installation
PLANNING YOUR INSTALLATION Mounting the amplifier upside down is It is important that you take the time to strongly discouraged. If mounting the amplifier read this manual and that you plan out your under a seat, make sure there is at least 1 inch installation carefully. -
Page 4: Product Description
(use of the JL Audio ECS master The XD600/1v2 can be operated with a wide ground lug, XB-MGLU is recommended). Use variety of source units and system configurations. 4 AWG wire, no longer than 36 inches (90 cm) -
Page 5: Power Connections
If and vice-versa (1/0 AWG is the largest, 2 AWG is only the XD600/1v2 is being run from that power smaller, then 4 AWG, then 8 AWG, etc.). wire, use a 50A fuse. -
Page 6: Turn-On Options
DC offset sensing. Of course, the XD600/1v2 must be the first amplifier in the If a source unit does not have a dedicated signal path for this to function properly. -
Page 7: Input Sensitivity Controls
JL Audio ECS Speaker Wire to RCA adaptor (XD-CLRAIC2-SW). Remote Level Control Line output converters are usually not needed with the XD600/1v2. If you find that the output +12 VDC Ground Remote cannot be reduced sufficiently with a direct Mono Subwoofer Output speaker level signal applied to the amplifier and the “Input Voltage”... -
Page 8: Filter Controls
2) LP Filter Operation: The low-pass filter in the the “LP Filter Mode/Slope” switch to the XD600/1v2 is fully variable between 50 Hz and “Off” position. This is useful if you are using 500 Hz via the “Filter Freq.” control knob (80 an external active crossover in the system. -
Page 9: Infrasonic Filter
INFRASONIC FILTER REMOTE LEVEL CONTROL (OPTIONAL) The “Infrasonic Filter” is a 24 dB/octave high- pass filter, with a fixed cutoff frequency of 30 Hz. This filter is designed to conserve amplifier power Remote Level and protect subwoofer systems, without audibly Control degrading the sub-bass output. -
Page 10: Subwoofer Outputs
Subwoofer loads below 2 ohms nominal are not recommended and may cause the amplifier to initiate a protection mode, which reduces power output. 10 | JL Audio - XD600/1v2 Owner’s Manual... - Page 11 The only condition that will shut down an operating status. undamaged XD600/1v2 completely is if battery voltage or remote turn-on voltage drops below 10 volts. The “Status LED” will turn off when this occurs.
- Page 12 6) Verify that you have disconnected the speakers before proceeding. Play a track with an appropriate sine wave (within the frequency range to be amplified by the XD600/1v2) at 3/4 source unit volume. 7) Connect the AC voltmeter to the speaker output connectors of the amplifier.
- Page 13 08 ... “60” ... .61 Amplifier Topology: NexD™ High Speed Class D 09 ......63 Power Supply: Unregulated MOSFET switching type 10 .
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Page 14: Appendix D: Troubleshooting
Check the input connectors to ensure that they all are making good contact with the input jacks on the amplifier. 14 | JL Audio - XD600/1v2 Owner’s Manual... - Page 15 “My amplifier shuts off once in a while, usually at higher volumes.” Check Check your voltage source and grounding point. The power supply of the XD600/1v2 will operate with charging system voltages down to 10V. Shutdown problems at higher volume levels can occur when the charging system voltage (or remote turn-on voltage) drops below 10V.
- Page 16 INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. 16 | JL Audio - XD600/1v2 Owner’s Manual...
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Page 18: Installation Notes
INSTALLATION NOTES: 18 | JL Audio - XD600/1v2 Owner’s Manual... - Page 20 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 XD600/1v2 MAN-09-2013...
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