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Table of Contents
Related Manuals for Clarion APX401.4
Summary of Contents for Clarion APX401.4
- Page 1 4-CHANNEL POWER AMPLIFIER O P E R A T IO N IN S T A L L A T IO N M A N U A L...
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Page 2: Table Of Contents
• Low profile, compact size for space limited installations. ABOUT THE MANUAL AND WARRANTY To start enjoying your new Clarion four-channel amplifier, please read the instructions stated in this manual. Keep all instructions for future reference. Also, save your original sales receipt as proof of purchase. -
Page 3: Description
DESCRIPTION The Clarion APX401.4 4-channel car audio amplifier is an excellent choice for creating a variety of multi-channel sound systems. The amplifier features flexi- bility of 2, 3 or 4 channel system by 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. - Page 4 4 Channel Power System Amplifier The Input Connections are gold-plated RCA Jacks and are labeled as FRONT RIGHT, FRONT LEFT, REAR RIGHT and REAR LEFT. The Gain Controls provide a wide adjustment range to accommodate output levels from any brand of source unit. •...
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Page 5: Connections For Power And Speakers
Failure to do this will result in noise and/or improper operation. CONNECTIONS FOR POWER AND SPEAKERS The rear panel of the APX401.4 contains power and speaker connections as shown below. Figure 2- 1. Left Front Speaker Output 2. -
Page 6: 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. - Page 7 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.
- Page 8 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.
- Page 9 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).
- Page 10 4 Channel Power System Amplifier Mixed-Mode System On Rear; Full-Range FREQ (hz) L ( m H ) C (uF) 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.
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Page 11: Installation
INSTALLATION This section lists Mounting and Wiring Precautions prior to installing the Clarion APX401.4. These safeguards provide enough detail to complete an installation successfully. If you do not have the necessary skills, do not attempt to install the amplifier yourself. Instead, see your authorized Clarion dealer for installation recommendations. - Page 12 If you are planning a multi-amplifier system, you may need to add a second battery and possibly upgrade the alternator with a higher-output rated model. Consult your authorized Clarion dealer for recommendations. 10. To avoid noise problems, run the amplifier’s positive (+) power lead along one side of the vehicle from the battery.
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Page 13: Setting The Gain
4. Slowly increase the Gain Control. Stop when you hear a slight distortion of audio. SETTING THE CROSSOVER The Clarion APX401.4 features fully adjustable front and rear crossovers. To set the crossovers, follow these steps. 1. Using the X-Over Mode Switch, select the desired mode: LP for Low Pass, HP for High Pass or OFF for Full Range. -
Page 14: Final System Checks
Problem Audio cycles on and off. Solution Thermal protection circuits are shutting amplifier off. Check location for adequate ventilation; consult an authorized Clarion Audio Dealer. Problem Distorted audio. Solution Gain is not set properly, or damaged speaker cones. Review Setting Gain; inspect... -
Page 15: Product Specs
Problem Amplifier fuse keeps blowing. Solution Incorrect wiring or short circuit. Review Installation and check all wiring connections. Problem Whining or ticking noise in the audio with engine on. Solution Amplifier is picking up alternator noise or radiated noise. Turn down input gain; move audio cables away from power wires. -
Page 16: Warranty Information
4. This warranty does not cover car static or other electrical interferences, tape head cleaning or adjustments, or labor costs for the removal or reinstallation of the unit for repair. 5. The sole responsibility of Clarion Corporation under this Warranty shall be limited to the repair or replacement thereof, at the sole discretion of Clarion Corporation.