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JL Audio E6450 manual

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Table of contents for the manual

  • Page 1

    Thank you for purchasing a JL Audio amplifier for your automotive sound system. Your amplifier has been designed and manufactured to exacting standards in or der to ensure years of musical enjoyment in your vehicle. For maximum performance and extended warranty coverage, we highly recommend that you have your new amplifier installed by an authorize[...]

  • Page 2

    PLANNING Y OUR INST ALLA TION It is impor tant that you take the time to read this manual and that you plan out y our installation carefully . The following are some considerations that you m ust take into account when planning your installation. Cooling Efficiency Considerations: The outer shell of your JL Audio amplifier is designed to remov e he[...]

  • Page 3

    The e6450's “+12 VDC” and “Ground” connections are designed to accept 4 A WG power wire. 4 A WG is a minimum pow er wire siz e for this amplifier . If you are installing the e6450 with other amplifiers and wish to use a single main power wire, use 2 A WG or 1/0 AWG main po wer wire (depending on the ov erall cur rent demands of all the[...]

  • Page 4

    AMPLIFIER CONTROLS Input Sensitivity These controls, labeled “Input Sens. ” ,can be used to match the source unit's output voltage(s) to each input stage of the e6450 for maximum clean output. Rotating an “Input Sens. ” control clockwise will result in higher sensitivity (louder for a given input voltage). Rotating an “Input Sens. ?[...]

  • Page 5

    only information or the sum of the information from both the right and left channels. In order to achieve one of these options, configure the inputs to that pair of channels in one of these two ways: 1) Left Channel Only or Right Channel Only Information: If you wish to send a Left-onl y or Right-only signal to a pair of the e6450’ s channels, us[...]

  • Page 6

    “CH 2 (Right)” inputs, the second pair of stereo source unit outputs is connected to the “CH 3 (Left)” and “CH 4 (Right)” inputs and the source unit’ s dedicated subwoofer output is connected to the “CH 5 (Left)” and “CH 6 (Right)” inputs (select “Discrete” on the “Input Mode” switch in the “Channel 5 & 6 Control[...]

  • Page 7

    JL AUDIO e6450 13 APPENDIX B: Precise Fr equency Selection Chart “FIL TER FREQ” AMP FIL TER Detent Panel Actual Number Marking Fr eq. Full counter -clockwise: 53 01 . . . . . . . . . . . . . . . . . . . . . . . .53 02 . . . . . . . . . “50” . . . . . . . . .53 03 . . . . . . . . . . . . . . . . . . . . . . . .53 04 . . . . . . . . . . . . .[...]

  • Page 8

    JL AUDIO e6450 15 “ MY AMPLIFIER TURNS ON, BUT THERE IS NO OUTPUT ” Check the input signal using an A C voltmeter to measure the voltage from the 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 b[...]

  • Page 9

    JL AUDIO e6450 17 16 JL AUDIO e6450 INST ALLA TION NO TES: Use this diagram to document your amplifier’ s switch and control positions.[...]

  • Page 10

    JL AUDIO e6450 19 18 JL AUDIO e6450[...]

  • Page 11

    LIMITED W ARRANTY - AMPLIFIERS (USA) JL AUDIO warr ants this product to be free of defects in materials and wor kmanship for a period of ninety (90) days from the original date of purchase . The warr anty term is extended to two (2) year s if installation is performed or approved b y an authorized JL AUDIO dealer (proof of installation or appro val[...]