Instruction/ maintenance manual of the product E1400D JL Audio
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Thank you for purchasing a JL Audio amplifier for your automotive sound system. Y our amplifier has been designed and manufactured to exacting standar ds in or der to ensure years of musical enjoyment in your vehicle.
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.
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 e1400D's “+12 VDC” and “Ground” connections are designed to accept 8 AWG - 4 AWG po wer wire.
which are acceptable and commonly used f or filtering between mids and tweeters. Filter ing between subwoof er systems and satellite speaker systems is best done with active f ilter s, which cut off frequency content at the input to the amplifier .
AMPLIFIER ST A TUS INDICA T OR LIGHTS / PRO TECTION CIRCUITR Y There are two status indicator lights on the input / control end of the amplifier : 1) “Po wer” (Green): lights to indicate that the amplifier is turned on and operating nor mally .
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 .
JL AUDIO e1400D 13 “ 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).
JL AUDIO e1400D 15 14 JL AUDIO e1400D INST ALLA TION NO TES: Use this diagram to document your amplifier’ s switch and control positions..
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 .
An important point after buying a device JL Audio E1400D (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JL Audio E1400D yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data JL Audio E1400D - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JL Audio E1400D you will learn all the available features of the product, as well as information on its operation. The information that you get JL Audio E1400D will certainly help you make a decision on the purchase.
If you already are a holder of JL Audio E1400D, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime JL Audio E1400D.
However, one of the most important roles played by the user manual is to help in solving problems with JL Audio E1400D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JL Audio E1400D along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center