User manual CLARION APA5241 INSTALLATION MANUAL

[. . . ] · Variable bass boost circuit to reinforce low frequency signals that maybe lost due to subwoofer box design. · Adjustable input level controls with ground loop isolation, which allows a wide range of input signals. · Remote turn-on with "soft start" muting to prevent turn-on "thump". · Pulse-width modulated (PWM) MOSFET power supply with low AM RFI and protection circuits for overheating and speaker shorts. [. . . ] 4. Left Front Speaker Output Right Front Speaker Output Remote Turn-on Input Ground Input 5. 8. Battery + 12v Input 40 Amp Fuse Left Rear Speaker Output Right Rear Speaker Output 5 4 Channel Power System Amplifier APPLICATIONS The Clarion APX401. 4 4-channel car audio amplifier can be used in a variety of system applications. Here are some examples to help plan your own installation. 4-Channel Full-Range Stereo System Figure 3 - In this application, the APX401. 4 is used as a 4-channel amplifier to drive four full-range speakers in stereo. 6 Owner's Manual 4-Channel Stereo System 2-Channel High-Pass, 2-Channel Low-Pass Figure 4 - In this 4-channel system, the APX401. 4 drives a pair of stereo satellites for the front and a pair of subwoofers for the rear. Note the filter settings. 7 4 Channel Power System Amplifier 2-Channel Stereo System with Low-Pass Bridged Mono Channel Figure 5 - The APX401. 4 can also be used to drive a pair of stereo satellites for the front and a single mono subwoofer for the rear. Note the filter settings. 8 Owner's Manual 2-Channel High Power System (Satellite or Subwoofer) Figure 6 - The APX401. 4 can be set up as a 2-channel high-power amplifier to drive a pair of satellites (or subwoofers). 9 4 Channel Power System Amplifier Mixed-Mode System On Rear; Full-Range Speakers On Front FREQ (hz) 80 100 125 150 200 L( H m) 8. 0 6. 4 5. 1 4. 2 3. 2 C(uF) 497 398 NOTE: Chart values based on 4 ohm speakers. Figure 7 - The amplifier can be configured for a mixed-mode operation on either channels 1/2 or 3/4 amplifier sections. The table provides component values to create a 6dB per octave crossover at specified frequencies. Use components that have a + 5% tolerance and capacitors rated at 100V. NOTE: Choose the same frequency for both LP and HP crossovers. Do not overlap frequencies, as this may damage the amplifier. 10 Owner's Manual INSTALLATION This section lists Mounting and Wiring Precautions prior to installing the Clarion APX401. 4. Add an external fuse on the amplifier's positive (+) power lead and connect it as close as possible to the vehicle's (+) battery terminal. Use a fuse rated to the total current consumption of the amplifier(s). Adding an external fuse will protect the electrical system from short circuits that can cause a fire. 11 4 Channel Power System Amplifier 6. Refer to the Figure 8 when making electrical connections. Connect the amplifier's positive (+) lead via a fuse directly to the positive (+) terminal on the battery. Do not connect this wire to the car's fuse panel. Use red-insulated 10-gauge (or larger) wire for the amplifier's positive (+) power lead and the same-gauge black insulated wire for the ground. When replacing the amplifier's fuse, always use one having the same current rating. Substituting a higher-rated fuse or a slow-blow type can result in serious damage to the amplifier. Never ground the speakers to the vehicle chassis or body. Make sure that your vehicle's electrical system (alternator, battery, etc. ) is capable of handling the additional load. [. . . ] Solution Thermal protection circuits are shutting amplifier off. Check location for adequate ventilation; consult an authorized Clarion Audio Dealer. Solution Gain is not set properly, or damaged speaker cones. Review Setting Gain; inspect each speaker cone for signs of damage (i. e. [. . . ]