Clarion APX480M Owner's Manual

Clarion APX480M Owner's Manual

Power system amplifier
Hide thumbs Also See for APX480M:

Advertisement

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

Advertisement

Table of Contents
loading

Summary of Contents for Clarion APX480M

  • Page 1 APX480M manual.qxd 3/12/2004 1:07 PM Page 1...
  • Page 2: Table Of Contents

    Product Specs ....... . 12 Clarion Limited Warranty ......13...
  • Page 3: Description

    APX480M incorporates safe guards and an outboard ATC fuse to prevent damage to the amplifier INPUT CONNECTIONS AND AUDIO CONTROLs The front panel of the APX480M contains both connections for RCA and speaker level inputs, along with the audio controls as shown below. Figure 1- 1.
  • Page 4: Apx480M Manual.qxd 3/12/2004 1:07 Pm

    Stereo input allows full left and right stereo operation. Right (bridged) input allows a single channel input for bridged operation. This is especially useful in high powered systems when using the APX480M as a bridged 2-channel amplifier. L + R (sum mono) allows a stereo input to be summed into a mono output.
  • Page 5: Connections For Power And Speakers

    Radio. Failure to do this will result in noise and improper operation. CONNECTIONS FOR POWER AND SPEAKERS The rear panel of the APX480M contains power and speaker connections as shown below. Figure 2 1. Left Front Speaker Output 2.
  • Page 6: Installation

    INSTALLATION This section suggests Mounting and Wiring Precautions for installing the Clarion APX480M amplifier. If you do not posses the necessary tools and installation experience, do not attempt to install this amplifier. Instead, con- tact your local Clarion dealer to perform the installation.
  • Page 7: Wiring And Applications

    9. In multiple amplifier systems, it is recommended to use a relay on the remote turn-on lead of the radio. WIRING AND APPLICATIONS The Clarion APX480M 4-channel marine amplifier can be used in a variety of system applications. Here are some examples to help plan your own installa- tion.
  • Page 8 APX480M Power System Amplifier 4-Channel Stereo System 2-Channel High-Pass, 2-Channel Low-Pass Figure 5 In this 4-channel system, the APX480M drives a pair of stereo satellites for the front and a pair of subwoofers for the rear. Note the filter settings.
  • Page 9 Operation/Installation Manual 2-Channel Stereo System with Low-Pass Bridged Mono Channel Figure 6 The APX480M 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 10 APX480M manual.qxd 3/12/2004 1:07 PM Page 10 APX480M Power System Amplifier 2-Channel High Power System (Satellite or Subwoofer) Figure 7 The APX480M can be set up as a 2-channel high-power amplifier to drive a pair of satellites (or subwoofers).
  • Page 11 APX480M manual.qxd 3/12/2004 Mixed-Mode System On Rear; Full-Range FREQ (hz) L (mH) C (uF) NOTE: Chart values based on 4 Ohm speakers. Figure 8 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.
  • Page 12: Setting The Gain

    4. Slowly increase the Gain Control. Stop when you hear a slight distortion of audio. SETTING THE CROSSOVER The Clarion APX480M 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 13: Final System Check

    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 each speaker cone for signs of damage (i.e.
  • Page 14: Product Specs

    APX480M manual.qxd 3/12/2004 APX480M Power System Amplifier 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;...
  • Page 15: Clarion Limited Warranty

    5. The sole responsibility of Clarion under this limited warranty shall be limited to the repair of the product or replacement of the product, at the sole discretion of Clarion.
  • Page 16 APX480M manual.qxd 3/12/2004 1:07 PM Page 16...

Table of Contents