Clarion APX480M manual Introduction, About the Manual and Warranty, Table of Contents

APX480M manual.qxd 3/12/2004 1:07 PM Page 2

APX480M Power System Amplifier

INTRODUCTION

The Clarion APX480M is a full-featured four-channel amplifier incorporating the following features:

•Specially coated circuit boards, that resist mold, mildew and moisture damage.

•Pulse-Width Modulated (PWM) MOSFET power supply for maximum performance with minimal distortion.

•Remote turn-on with "soft start" muting to prevent turn-on "thump".

•Advanced circuitry design featuring bridgeable and mixed mode operation for use in various system configurations including 4, 3, or 2 channel systems.

•Variable high-pass/low-pass electronic crossover with a 12dB per octave slope (adjustable range: 55Hz to 5.5kHz).

•Variable bass boost circuit to reinforce low frequency signals that may be lost due to subwoofer enclosure design.

•Adjustable input level controls with ground loop isolation to minimize noise and distortion.

•2-ohm stereo stable, 4-ohm mono stable.

•Gold-plated power, speaker, and RCA connectors.

•Speaker level input.

•Low profile construction with aluminum heat sink for efficient heat dissipation.

ABOUT THE MANUAL AND WARRANTY

This manual describes the basic requirements to install the Clarion APX480M amplifier. The installation of this amplifier can be quite complex to install, if you do not posses the necessary knowledge and tools to perform this installation, please contact your local Clarion dealer.

Keep all instructions and sales receipt for future reference and warranty information. Warranty information can be found on page 11 of this manual.

TABLE OF CONTENTS
Description	1
Input Connections and Audio Controls	1
Connections for Power and Speakers	3
Installation	4
Mounting Precautions	4
Wiring Precautions	4
Wiring and Applications	5
Setting the Gain	10
Setting the Crossover	10
Setting the Bass Boost	10
Final System Check	11
Troubleshooting	11
Product Specs	12
Clarion Limited Warranty	13