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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 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.

OWNER’S MANUAL

600W Marine 6 Channel Amplifier

NOT FOR USE IN 12 V SYSTEMS! 

Summary of Contents for m600

Page 1: ...nt 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 instal...

Page 2: ...ber Please take the time to enter that number in the space provided below The serial number can be found on the bottom panel of the amplifier and on the amplifier packaging Serial Number INSTALLATION...

Page 3: ...plifier using appropriate hardware so that it does not come loose in the event of a collision or a sudden jolt to the vehicle or vessel Stupid Mistakes to Avoid Check before drilling any holes in your...

Page 4: ...power wire to the negative battery post Use the same size power wire as the wire connected to the 24V connection minimum 8 AWG 5 Run signal cables and remote turn on wire from the source unit to the...

Page 5: ...m of insulation from the end of each wire and insert the bare wire into the terminal block seating it firmly so that no bare wire is exposed While holding the wire in place tighten the set screw firml...

Page 6: ...that derives power from an ignition switched circuit Ground Remote 24 VDC NOT FOR USE IN 12V SYSTEMS The M600 6 24V s Remote turn on connector is designed to accept 18 AWG 12 AWG wire To connect the r...

Page 7: ...with the Channel 2 signal Input Voltage Range The M600 6 24V s input sections are designed to accept signal voltages from 100mV 4V This will accommodate all preamp level signals and many speaker leve...

Page 8: ...hannels 1 2 another filter for channels 3 4 and a third filter for channels 5 6 Each of these filters can be configured independently into one of two filter types or defeated completely by way of the...

Page 9: ...from a single HD RLC controller using a simple phone line splitter and multiple phone cables When connected to the amplifier the HD RLC operates as follows At full counter clockwise rotation the audio...

Page 10: ...n bridged each channel will deliver optimum power into a 4 ohm load When a pair of channels are bridged they will deliver 200W x 1 into a 4 ohm load or 150W x 1 into an 8 ohm load Operating a pair of...

Page 11: ...n This functionality can be used to diagnose a short circuit by only connecting one channel at a time The Status LED will turn amber when you connect the channel that is experiencing the problem and t...

Page 12: ...de switch Result the relative level of the LF and HF channels will be fixed by the M600 6 24V s Input Sens settings and will not be user adjustable from the helm unless an optional HD RLC is connected...

Page 13: ...source unit s dedicated subwoofer output is connected to the CH 5 Left and CH 6 Right inputs select 6 Ch on the Input Mode switch Result in this mode the user has the ability to control the absolute...

Page 14: ...speaker system connected to the amplifier outputs 6 Verify that you have disconnected the speakers before proceeding Play a track with an appropriate sine wave within the frequency range to be amplifi...

Page 15: ...referred to rated power A weighted 20 Hz 20 kHz noise bandwidth 84 dB referred to 1W A weighted 20 Hz 20 kHz noise bandwidth Frequency Response 12 Hz 22 kHz 0 1dB Damping Factor 150 4 ohms per ch 50...

Page 16: ...uired To test for this problem jump the 24VDC wire to the Remote terminal to see if the amplifier turns on I hear a repetitive ticking or popping sound coming out of the speaker s Check the speaker wi...

Page 17: ...source unit while an appropriate test tone is played through the source unit disconnect the input cables from the amplifier prior to this test The frequency used should be in the range that is to be...

Page 18: ...18 JL Audio M600 6 24V Owner s Manual INSTALLATION NOTES Use this diagram to document your amplifier s switch and control positions...

Page 19: ...19...

Page 20: ...ereafter Some states do not allow limitations on implied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights whi...

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