JL Audio 98643 - User Manual
JL Audio 98643 Car Amplifier – User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 3 – Cooling Efficiency Considerations:; The outer shell of your JL Audio amplifier; Mounting the amplifier upside down is; Your amplifier needs to be installed in a dry,
- Page 6 – LOW Z SWITCH; The RD1500/1 is equipped with a specialized
- Page 9 – PREOUTS; The preamp output delivers the same signal; SUBWOOFER OUTPUTS; The RD1500/1 is designed to deliver power
- Page 10 – STATUS LED / PROTECTION CIRCUITRY; There is a bi-color LED light strip on the top; ) Constant Blue: The amplifier is on and; functioning normally, audio output is active.; ) Constant Red: lights to indicate that the
- Page 11 – SERVICING YOUR JL AUDIO AMPLIFIER; If your amplifier fails or malfunctions, please
- Page 12 – Follow the steps below to adjust the input; Necessary Equipment; • CD with a sine-wave test tone recorded at; The Seven-Step Procedure; amplifier’s speaker output connectors.; It will be necessary to re-adjust the “Input
- Page 13 – Rated Power at 14.4V with less than; Signal to Noise Ratio:
- Page 14 – driving a load equal to or greater than 2 ohms.; “My amplifier’s output fluctuates when I tap on it or hit a bump.”; contact with the input jacks on the amplifier.; APPENDIX C: TROUBLESHOOTING
- Page 18 – NOTES
- Page 20 – If you need service on your JL AUDIO product:; (do not send product for repair to this address); International Warranties:; by that country’s distributor and not by JL Audio, Inc.
OWNER’S MANUAL
1500W 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. For additional information,
visit www.jlaudio.com/support.
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Summary
3 Cooling Efficiency Considerations: The outer shell of your JL Audio amplifier is designed to remove heat from the amplifier circuitry. For optimum cooling performance, this outer shell should be exposed to the largest possible volume of air. Enclosing the amplifier in a small, poorly ventilated ch...
6 | JL Audio - RD1500/1 Owner’s Manual LOW Z SWITCH The RD1500/1 is equipped with a specialized low impedance circuit allowing its operation with speaker impedance loads as low as 1 ohm (nominal). The functionality of this circuit is determined by the position of the “Low Z” switch, which should be ...
9 PREOUTS The RD1500/1 incorporates a buffered, pass- through preamp output section, so that additional amplifiers can be easily added to the system. The preamp output delivers the same signal that is connected to the RD1500/1’s inputs. Note: The preamp output signal is not affected by the amplifier...
