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OWNER'S MANUAL
800W Marine 8 Channel Ampli er
NOT FOR USE IN 12 V SYSTEMS!
Thank you for purchasing a JL Audio amplifier for
Your amplifier has been designed and manufactured to exacting
standards in order to ensure years of musical enjoyment in your vessel or
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 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.
your marine sound system.
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Summary of Contents for JL Audio M800/8-24V
- 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.
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Page 2: Planning Your Installation
(irreparable) hearing loss. This and Cooling Efficiency Considerations: all other high-power amplifiers are capable of The outer shell of your JL Audio amplifier is producing such high sound pressure levels when designed to remove heat from the amplifier connected to a speaker system. -
Page 3: Safety Considerations
• Do not run system wiring outside or underneath Mounting the amplifier upside down is the vehicle or vessel. This is an extremely strongly discouraged. dangerous practice which can result in severe damage and/or injury. Safety Considerations: • Protect all system wires from sharp edges Your amplifier needs to be installed in a dry, (metal, fiberglass, etc.) by carefully routing well-ventilated environment and in a manner... -
Page 4: Product Description
A fuse near deliver outstanding fidelity and efficiency. the amplifier is not necessary if the The M800/8-24V can be operated with a wide M800/8-24V is the only device being variety of source units and system configurations. -
Page 5: Power Connections
If 1/0 AWG power wire should terminate into a only the M800/8-24V is being run from that fused distribution block mounted as close to power wire, we recommend a 40A fuse or circuit the amplifiers as possible (within 12 inches / breaker be used. -
Page 6: Turn On Lead
(not the insulation) is firmly gripped by the set screw. 6 | JL Audio - M800/8-24V Owner’s Manual... -
Page 7: Input Section
Filter Freq. (Hz) Filter Fre CH. 1 CH. 3 CH. 5 CH. 7 If you wish to send eight discrete channels into the M800/8-24V, simply use all eight CH. 2 CH. 4 CH. 6 CH. 8 Remote CH. 1 & 2 CH. -
Page 8: Filter Controls
M800/8-24V’s channel pairs in a The active filter built into each channel section bi-amplified system. of the M800/8-24V can be used to eliminate “HP”... -
Page 9: Remote Level Control Optional
Level Control (HD-RLC or MHD-RLC), you can control the volume of two, four or all eight channels of the M800/8-24V from the front of the vessel. This feature can be used for subwoofer level control, rear channel level control, zone control, or even as a master volume control for the system. -
Page 10: Speaker Outputs
RCA inputs. This option is useful when using a pair of the M800/8-24V’s channels to drive left BRIDGING CONSIDERATIONS channel speakers only and another pair of the Bridging is the practice of combining the M800/8-24V’s channels to drive right channel... -
Page 11: Status Led / Protection Circuitry
The only condition that will shut down operating status. an undamaged M800/8-24V completely is if battery voltage or remote turn-on voltage drops below 10 volts. The “Status LED” will turn off when this occurs. The amplifier will turn back on when voltage climbs back above 11 volts. - Page 12 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 amplifiers requires specifically trained service personnel.
- Page 14 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 M800/8-24V) at 3/4 source unit volume. 7) Connect the AC voltmeter to the speaker output connectors of the amplifier.
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Page 15: General Specifications
APPENDIX B: APPENDIX C: Precise Frequency Selection Chart M800/8-24V Specifications “FILTER FREQ” General Specifications: Detent Panel Actual Recommended Fuse Value: 40A Number Marking Freq. Recommended Fuse Type: MAXI™ or AGU Full counter-clockwise: 49 01 ......49 Input Sections: 02 . -
Page 16: Appendix D: Troubleshooting
Check the input connectors to ensure that they all are making good contact with the input jacks on the amplifier. 16 | JL Audio - M800/8-24V Owner’s Manual... - Page 17 “My amplifier shuts off once in a while, usually at higher volumes.” Check your voltage source and grounding point. The power supply of the M800/8-24V will operate with charging system voltages down to 20V. Shutdown problems at higher volume levels can occur when the charging system voltage (or remote turn-on voltage) momentarily drops below 20V.
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Page 18: Installation Notes
Input 5 feeds CH. 5 & CH. 7 Input 6 feeds CH. 6 & CH. 8 CH. 2 CH. 4 CH. 6 CH. 8 8 Ch. Each input feeds its corresponding output channel +24 VDC Ground Remote 18 | JL Audio - M800/8-24V Owner’s Manual... - Page 19 CH. 1 & 2 CH. 3 & 4 CH. 5 & 6 CH. 7 & 8 Input Input Input Input Sens. Sens. Sens. Sens. Filter Mode Filter Mode Filter Mode Filter Mode O | HP | LP O | HP | LP O | HP | LP O | HP | LP Filter Freq.
- Page 20 All warranty returns should be sent to JL AUDIO ’s Amplifier Service Facility freight-prepaid through an authorized JL AUDIO dealer and must be accompanied by proof of purchase (a copy of the original sales receipt). Direct returns from consumers or non-authorized dealers will be refused unless specifically authorized by JL AUDIO with a valid return authorization number.
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