Instruction/ maintenance manual of the product 300/2 JL Audio
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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.
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 300/2's “+12 VDC” and “Ground” connections are designed to accept 8 - 4 AWG power wire.
INPUT SECTION The 300/2 has one input section, which contains a pair of RC A-type input jacks, an “Input V oltage” switch and an “Input Sens. ” rotar y control. 1) Input V oltage Range: A wide r ange of signal input voltages can be accommodated by the 300/2's input section (200mV – 8V).
PREAMP OUTPUT SECTION The 300/2 incorpor ates a flexible preamp output section, so that additional amplifier s can be added to the system. This pre-amp output can be configured three different ways using the switch labeled “Output Mode” in the “Preamp Output Section” .
SER VICING Y OUR JL AUDIO AMPLIFIER If your amplif ier fails or malfunctions, please return it to your authorized JL Audio dealer so that it may be sent in to JL Audio for ser vice . There are no user ser viceable par ts or fuses inside the amplifier .
APPENDIX B: Input Sensitivity Lev el Setting JL Audio amplifier s utilizing the Regulated Intelligent P ow er Supply (R.I.P .S.) allow deliver y of their rated power when connected to any load impedance from 1.5 - 4 Ω per channel (3 - 8 Ω bridged) and when connected to a char ging system with any voltage from 11 - 14.
JL AUDIO 300/2 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 play ed through the source unit (disconnect the RC A cables from the amplif ier prior to this test).
JL AUDIO 300/2 17 APPENDIX D: 300/2 Specifications GENERAL SPECIFICA TIONS: Recommended Fuse Value: 40A Recommended Fuse T ype: A GU or MaxiFuse™ INPUT SECTIONS: No.
JL AUDIO 300/2 19 18 JL AUDIO 300/2 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 300/2 (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 300/2 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 300/2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JL Audio 300/2 you will learn all the available features of the product, as well as information on its operation. The information that you get JL Audio 300/2 will certainly help you make a decision on the purchase.
If you already are a holder of JL Audio 300/2, 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 300/2.
However, one of the most important roles played by the user manual is to help in solving problems with JL Audio 300/2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JL Audio 300/2 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
