UПL
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HARMAN
СНАРТЕR 1: PICTORIAL INDEX OF INPUT CONNECТIONS
MARINE Amplifier top panel
MARINE Amplifier front panel
MARINE Amplifier back panel
PREO\JТ
REAR
FRONT
Page 1: ...JBL Marine 704 4505 AMPLIFIERS MANUAL yHARMAN...
Page 2: ...er important documents in order to expedite warranty service if needed ABOUTTHE MANUAL This manual describes general installation guidelines and operation instructions However please note that proper...
Page 3: ...1 Power indicator 2 Protect indicator 3 Speaker output connectors 4 Fuses 5 Power input connectors 6 Front and rear inputs and outputs RCA 7 lnput level 8 Crossover filter selectors 9 Gain 1 Crossover...
Page 4: ...U L by HARMAN R 1 PICTORIAL INDEX OF INPUT CONNEC IONS MARINE Amplifier top panel MARINE Amplifier front panel MARINE Amplifier back panel PREO J REAR FRONT...
Page 5: ...le operation Use caution when drilling or cutting in the mounting area When making electrical connections make sure they are secure and properly insulated lf you must replace of the amplifier s fuses...
Page 6: ...nals observing proper polarity connect each speaker s positive lead to the appropriate positive terminal and negative lead to the appropriate negative terminal The 704 features Front L L R and R termi...
Page 7: ...r R terminal Left Front speaker Right Front speaker 10001 4 ohm subwoofer or high power speaker 0 2 channel bridged operation Connect speaker s lead to the Front L terminal and the lead to the Front R...
Page 8: ...negative lead to the terminal 4 ohm subwoofer Left front speaker Right front speaker J Left rear speaker Right rear speaker 0 3 channel front and rear bridged operation Connect speaker s lead to the...
Page 9: ...paint from the vehicle chassis and connect with bolt and star washer below the ring terminal for secure connection Remote Connect 20 gauge wire from the Remote Out lead of the source unit to the REM...
Page 10: ...tant The 12 setting should never used when the amplifier is connected to aftermarket head unit s line level RCA type outputs 8 Grossover filter selectors X OVER Crossover filter seIectors LP Low pass...
Page 11: ...e this setting if you are connecting subwoofer s or want to provide low pass filter for separate mid bass speakers FULL Full range Choose this setting if you are connecting full range speakers and are...
Page 12: ...n Check voltages at amplifier terminals with V0M PROBLEM No audio and R INDICAT0R flashes every 4 seconds CAUSE and S0LUTION DC voltage amplifier output Amplifier may need service see enclosed warrant...
Page 13: ...stall an alternator noise filter on power line between battery and alternator Check ground connections the amplifier since loose or improper ground is of the main causes for extraneous noise in your a...
