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manual abstract
This may be connected to the head unit power antenna lead. Installation Precautions This amplifier comes complete with all mounting harware required. Please remember that this is a high-power unit, which generates considerable electrical energy and heat. Therefore, be sure to install the unit in a place with sufficient airflow, a minimum of dust, and no moisture. Allow enough space around the cooling fins to permit reasonable airflow and cooling. • Before you drill or cut any holes, investigate your car’s layout very carefully. Take care when you work near the gas tank, fuel lines, hydraulic line and electrical wiring. • Do not operate the amplifier when it is unmounted. Attach all audio system components securely within the automobile to prevent damage, especially in an accident. • Do not mount this amplifier so that the wire connections are unprotected or in a pinched condition, or likely to be damaged by nearby objects. Be sure to select a location inside your vehicle which has adequate ventilation. • Before making or breaking power connections in your system, disconnect the vehicle battery. Confirm that your head unit or other equipment is turned off while connecting the input jacks and speaker terminals. • If you need to replace the power fuse, only replace it with a fuse identical to that supplied with the system. Using a fuse of a different type or rating may result in damage to your system which isn’t covered by the manufacturer’s warranty. Setting Up and Turning On Your New Amplifier After all electrical connections have been made, and physical installation is complete, turn on your stereo and listen for the amplifier to turn on. If there are any unusual noises from the speakers, turn the stereo off and recheck ALL wiring. Assuming the amplifier turn on normally, you may have to adjust the LEVEL control(s) to match the output levels from your head unit. Follow these steps: 1. Set the volume control on your head unit to about the 2/3 position. 2. Adjust the amplifier LEVEL control(s) to an average listening position. 3. Turn the head unit volume all the way down, and listen for background noise. 4. Start your vehicle, and again, listen for background noise. 5. By fine tuning the LEVEL control(s), you can reduce background and engine noise, if present. These adjustments should only be made once. After that, use the head unit volume control to adjust the system volume, not the LEVEL control(s). CAUTION: Never turn the LEVEL control(s) up any higher than you need to get clear sound at 2/3 volume on the head unit. PLEASE NOTE! If using high level inputs, do not use the low level RCA inputs at the same time! wiring harness L L R R from speaker terminals head unit orange black black orange L/R audio outputs head unit Electrical Connections (all models) 5 2CH AMPS LA438 LA538 LA738 LA938 LA1438 LA1838 LA2038 to remote turn-on +12V head unit 12V battery Input Connections Low Level 4 CH Stereo Input from 2 CH Audio Source Low Level 4 CH Stereo Inp...
Other models in this manual:Car Amplifiers - LA1438 (1.07 mb)
Car Amplifiers - LA1838 (1.07 mb)
Car Amplifiers - LA2038 (1.07 mb)
Car Amplifiers - LA438 (1.07 mb)