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JL Audio E4300 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

    PO WER CONNECTIONS Before installing the amplifier , disconnect the negative (ground) wire from the vehicle's batter y . This will prevent accidental damage to the system, the vehicle and y our body during installation. The e4300's “+12 VDC” and “Ground” connections are designed to accept 8 A WG - 4 A WG po wer wire . 8 A WG is a [...]

  • 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 e4300 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

    SPEAKER OUTPUTS The e4300’ s speaker outputs are designed to accept 8 AWG - 16 A WG wire . Each pair of the e4300’ s channels are designed to deliver pow er into speaker loads equal to or greater that 2 Ω when using a “stereo” configuration and speaker loads equal to or greater than 4 Ω when using a “br idged” conf iguration. Speake[...]

  • Page 6

    SY STEM CONFIGURA TIONS The e4300 is a flexible amplif ier , well-suited for a multitude of system conf igurations. In this section, the most likely conf igurations are explained in detail. Once you ha ve selected y our desired configuration, you can use the amplif ier panel drawing on pages 18 & 19 to mar k the required switch positions for ea[...]

  • Page 7

    Crosso ver Setup for Bi-Amplif ied System with one e4300 and a separate subwoof er amplifier: Once the input and preamp output sections hav e been configured appropriately , go to the “Channel 1 & 2 Controls” and “Channel 3 & 4 Contr ols” Yo u will set both control sections identically to star t: Select “HP” (high-pass) on the ?[...]

  • Page 8

    JL AUDIO e4300 15 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 9

    JL AUDIO e4300 17 “ 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 10

    JL AUDIO e4300 19 18 JL AUDIO e4300 INST ALLA TION NO TES: Use this diagram to document your amplifier’ s switch and control positions.[...]

  • 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[...]