Table of Contents
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M6450
six-channel marine amplifier
OWNER'S MANUAL
Thank you for purchasing a JL Audio amplifier for
your marine sound system.
Your amplifier has been designed and manufactured to exacting
standards in order to ensure years of musical enjoyment in your vessel.
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.
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Table of Contents
Related Manuals for JL Audio M6450
Summary of Contents for JL Audio M6450
- 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...
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Page 2: Protect Your Hearing
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 as large a volume of air as possible. - Page 3 The fuse value at each power wire should be high enough for all of the equipment being run from that power wire. If only the M6450 is being run from that power wire, we recommend a 60A fuse be used. AFS (mini blade fuse), AGU (big glass fuse) or MaxiFuse™...
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Page 4: Input Section
If you wish to send six discrete channels into output preamp level signals as well as speaker- the M6450, simply use all six inputs and set the level outputs from source units not equipped with “Input Mode” switch in the “Channel 5 & 6 preamp-level outputs. -
Page 5: Bass Boost Controls
12dB per octave. This is useful for connection of component speakers to one or more of the M6450’s channel pairs in a bi-amplified system. 1) “Bass Boost”: Found in the “Channel 5 & 6 2) “Filter Freq. - Page 6 JL Audio dealer so that it may be sent in to JL Audio for service. 2) “Protect” (Red): Indicates that the amplifier There are no user serviceable parts or fuses inside protection circuitry has been activated to the amplifier.
- Page 7 “CH 2 (Right)” Next, turn your attention to the “Channel 1 & and “CH 4 (Right)” inputs of the M6450. The 2 Controls” and “Channel 3 & 4 Controls” and source unit’s dedicated subwoofer outputs are select “HP”...
- Page 8 Following the directions below will allow the target voltage is observed with the voltmeter. installer to adjust the input sensitivity of each 9) Once you have adjusted the M6450 to its amplifier channel pair simply and easily in just a maximum low-distortion output level, few minutes using equipment which is commonly reconnect the speaker(s).
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Page 9: Appendix D: Trouble Shooting
JL AUDIO M6450 Check your voltage source and grounding point. The power supply of the M6450 will operate with charging system voltages down to 10V. Shutdown problems at higher volume levels can occur when the charging system voltage drops below 10V. -
Page 10: Installation Notes
INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. JL AUDIO M6450 JL AUDIO M6450... - Page 11 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).