User manual CLARION APA4203 INSTALLATION MANUAL

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Manual abstract: user guide CLARION APA4203INSTALLATION MANUAL

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[. . . ] Also, save your original sales receipt as proof of purchase. TABLE OF CONTENTS Description · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 Input Connections and Audio Controls · · · · · · · · · · · · · · · · · · · · 1 Connections for Power and Speakers · · · · · · · · · · · · · · · · · · · · · 3 Applications · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 4 Installation · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 9 Mounting Precautions · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 9 Wiring Precautions · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 9 Setting the Gain · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 11 Setting the Crossover · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 11 Setting the Bass Boost · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 11 Final System Checks · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·12 Troubleshooting · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·12 Product Specs · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·13 Notes · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·13 DESCRIPTION The Clarion APA4203 4-channel marine amplifier is an excellent choice for creating a variety of multi-channel sound systems. It features built-in system design flexibility that allows you to create a 2, 3 or 4 channel amplifier with a flip of a switch. You can also configure the front or rear amplifier sections for a mixed mode operation to drive a set of satellite speakers and/or subwoofer. [. . . ] · Speaker Level Inputs - These provide connections for a high-level stereo source. In addition, these connections are provided for installations where the source unit's RCAoutputs are unavailable. WARNING: When using the speaker (high-level) inputs, the Black wire must be grounded at the Radio. Failure to do this will result in noise and improper operation. CONNECTIONS FOR POWER AND SPEAKERS The rear panel of the APA4203 contains power and speaker connections as shown below. Right Rear Speaker Output 3 APPLICATIONS The Clarion APA4203 4-channel marine amplifier can be used in a variety of system applications. We've enclosed some example systems to help plan your own installation. 4-Channel Full-Range Stereo System Figure 3 - In this application, the APA4203 is used as a 4-channel amplifier to drive four full-range speakers in stereo. 4 4-Channel Stereo System 2-Channels High-Pass, 2-Channels Low-Pass Figure 4 - In this 4-channel system, the APA4203 drives a pair of stereo satellites for the front and a pair of stereo subwoofers for the rear. Note the filter settings. 5 2-Channel Stereo System with Low-Pass Bridged Mono Channel Figure 5 - The APA4203 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. 6 2-Channel High Power Systems (Satellite or Subwoofer) Figure 6 - The APA4203 can be set up as a 2-channel high-power amplifier to drive a pair of satellites (or subwoofers). 7 Mixed-Mode System On Rear; Full-Range Speakers On Front FREQ (hz) L (mH) C (uF) 80 100 125 150 200 8. 0 6. 4 5. 1 4. 2 3. 2 497 398 318 265 199 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 the shortest ground wire possible and securely connect to the vessel battery to minimize resistance and avoid noise problems. Add an external fuse on the amplifier's positive (+) power lead and connect it as close as possible to the vessel's (+) battery terminal. Use a rating that equals the total current consumption at full output of all amplifiers in the system. Adding an external fuse will protect the electrical system from short circuits that can cause a fire. 9 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 vessel's fuse panel. Use redinsulated 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. Make sure that your vehicle's electrical system (alternator, battery, etc. ) is capable of handling the additional load. [. . . ] Turn the vehicle's Ignition Switch to the ON position. Then turn the ON/OFF Switch on the source units to the ON position. Set all Tone or Equalization Controls to "flat" positions and turn Loudness off. Play a CD or Tape and set the Volume Control at 75% of full level. [. . . ]

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