JL Audio 98643 - Manuals - manualsarea.com

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,

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...

Page 6 - LOW Z SWITCH; The RD1500/1 is equipped with a specialized

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 ...

Page 9 - PREOUTS; The preamp output delivers the same signal; SUBWOOFER OUTPUTS; The RD1500/1 is designed to deliver power

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...

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

10 | JL Audio - RD1500/1 Owner’s Manual STATUS LED / PROTECTION CIRCUITRY There is a bi-color LED light strip on the top surface of the amplifier to indicate the amplifier’s operating status. Note: When the amplifier is powering up, the outputs are muted and the light strip will turn red for a ½ sec...

Page 11 - SERVICING YOUR JL AUDIO AMPLIFIER; If your amplifier fails or malfunctions, please

11 SERVICING YOUR JL AUDIO AMPLIFIER If your amplifier fails or malfunctions, please return it to your authorized JL Audio dealer so that it may be sent in to JL Audio for service. There are no user serviceable parts or fuses inside the amplifier. The unique nature of the circuitry in the JL Audio a...

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

12 | JL Audio - RD1500/1 Owner’s Manual APPENDIX A:Input Sensitivity Level Setting Follow the steps below to adjust the input sensitivity of each amplifier channel pair, simply and easily, in just a few minutes to achieve overall system balance. Necessary Equipment • CD with a sine-wave test tone re...

Page 13 - Rated Power at 14.4V with less than; Signal to Noise Ratio:

13 APPENDIX B: RD1500/1 Specifications Amplifier Section: Amplifier Topology: NexD™ High Speed Class D Power Supply: Unregulated MOSFET switching type Rated Power at 14.4V with less than 1% THD+Noise (20Hz - 20 kHz) RMS Method 750W RMS x 1 @ 4 ohms*1000W RMS x 1 @ 3 ohms*1500W RMS x 1 @ 2 ohms*1500W...

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

14 | JL Audio - RD1500/1 Owner’s Manual “How do I properly set the input sensitivity on my amplifier?” Please refer to Appendix A (page 12) to set the input sensitivity for maximum, low-distortion output. “My amplifier doesn’t turn on.” Check the fuse, not just visually, but with a continuity meter....

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.

LIMITED WARRANTY - AMPLIFIERS (USA) JL AUDIO warrants this product to be free of defects in materials and workmanship for a period of two (2) years. The warranty is extended to three (3) years total if installation is performed by an authorized JL Audio dealer using a JL Audio Premium Power Connecti...