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OPERATI N/
INSTAl~ N
MANUAL
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Clarion 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 HthumpH. • Advanced circuitry design featuring bridgeable and mixed mode operation for use in various syste
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Owner's Manual DESCRIPTION The APX480M uses an unregulated MOSFET power supply for superior sound and output wattage. In addition, a toroid-coil is used to transfer power with minimal performance loss due to heat. To avoid unwanted noise, a double-sided conformal printed circuit board with strategically placed components keeps AM RFI subdued. All of the connections and controls for the APX480M are conveniently located at the ends of the amplifier and labeled appropriately. To ensure the best pos
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Clarion APX480M Power System Amplifier The RCA connections are gold plated for optimum performance and low sig nal loss. The RCA connectors are labeled CH 1 (front left), CH 2 (front right), CH 3 (rear left), and CH 4 (rear right). In applications where RCA signals are not present, the speaker level output from the head unit can be used. (Use one or the other input, not both.) • Gain Controls - Separate CH 1/2 and CH 3/4 gain controls allow you to set the nominal operating level of the amplifie
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clarion Operation/Installation Manual • CH 3/4 Frequency Range Multiplier - When engaged, this switch increases the crossover frequency of CH 3/4 by a factor of 10. Example: If the frequency hertz dial is set to 240Hz, pushing in the Frequency Range Multiplier changes the setting to 2400Hz. CONNEcnONS FOR POWER AND SPEAKERS The rear panel of the APX480M contains power and speaker connections as shown below. Figure 2 7 8 1. CH 1 Speaker Output 5. Battery + 12v Input 2. CH2 Speaker Output 6. (2) 2
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clarion APX480M Power System Amplifier 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. MOUNTING PRECAUTIONS Prior to mounting the amplifier, make sure it is safe to mount the amplifier in that location. Failure to do so can result in serious damage
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clarion Operation/Installation Manual 6. When replacing the amplifier's fuse, always use one having the same amperage rating. Substituting a higher rated fuse or a slow-blow type can result in serious damage to the amplifier. 7. When creating passage holes for power cables, RCA's cords, and speaker wires, use grommets to eliminate any sharp edges created during drilling. This will protect the wire from being nicked and causing a short circuit. 8. Extra cable can cause signal loss and act as an "
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· clarion APX480M Power System Amplifier 4-Channel Stereo System 2-Channel High-Pass, 2-Channel Low-Pass BASS SOURCE r- GAIN-, EXTENDER SELECT CH1/2 CH3/4 CH1/2 CHl12 CHl 2CH STEREO MONO MONO 61~6~~ lCL=J [[:j tLJ OV~O~dl~ i;~s 4CH M~':JO STEREO ~~~6 CH1/2 FREQ CH1/2 FILTER CH3/4FREQ - RANGE - CH3/4 FILTER S~'10 LPHPOFFsSoll0 LPHPOFF H 0240~ HZ~0240 O_Xl ItIDl 550·.330 550~O .-.X10 clarien 16QWX4-CHANNELAMPLIFIER APX480M R Satellite L Subwoofer R Subwoofer Figure 5 In this 4-channel system, the
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clarion Operation/Installation Manual 2-Channel Stereo System with Low-Pass Bridged Mono Channel BASS SOURCE CH1/2-MODE-CH3/4 I GAIN-, EXTENDER SELECT CH1/2 CH3/4 CH1/2 CHll2 CHl STEREO MONO MONO ~ If cii2ci ~ 2CH 4CH STEREO CH3I4 BASS MONO MONO CH1/2 FREQ CH1/2 FILTER CH3/4FREQ - RANGE - CH3/4 FILTER 5 F 240 H:0. ib H,P °ll ::"0.240 =~~O r~ or 550 ·330 550 ·330 Clarien 160WX4-CHANNEL AMPLIFIER APX48aM L Satellite R Satellite -_. _w,~~.. . '-=:' - (-~ ~ Subwoofer Figure 6 The APX480M can also be
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clarion APX480M Power System Amplifier 2-Channel High Power System (Satellite or Subwoofer) BASS SOURCE CH1/2 -MODE-CH3/4 I GAIN-, EXTENDER SELECT CH1/2 CH3/4 CH1/2 CH1/2 CH1 MONO MONO cjj] ad otJJ 2CH 4CH cii2 STEREO CH3/4 BASS MONO MONO CH1/2 FREQ CH1/2 FILTER CH3/4FREQ - RANGE- CH3/4 FILTER z5 :z500240 r~ or 0 : "0 240 O_X1 ~F ~ or 550 0330 550' '330 _X10 clarien 160WX4-CHANNELAMPLIFIER APX480M OR Bridge d L Sate IIite Bridged R Satellite I I . .....J 1- = . ;. . _ - BASS SOURCE CH1/2-MODE-CH
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clarion Operation/Installation Ma~ual Mixed-Mode System On Rear; Full-Range Speakers On Front BASS ~~~~gf CH1/2 -MODE-CH3/4 ,GAIN-, EXTENDER CH1/2 CH3/4 CH1/2 CH112 CH1 2CH STEREO MONO MONO lO 0 0 2CH 4CH CH2 STEREO CH3I4 BASS MONO MONO CH1/2 FREQ CH1/2 FILTER CH3/4FREQ - RANGE- CH3/4 FILTER H5z5~0240 t:jiF H:5oQ0240 D-X1 It~rr 0 550 0330 5500~0 _X10 cl.uien 160WX4-CHANNELAMPLIFIER APX480M L Full Range R Speaker L Speaker L Full Range + L L(mH) C (uF) FREQ (hz) 80 8.0 497 Subwoofer 300W 100 6.4
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Clarion APX480M Power System Amplifier SETTING THE GAIN After completing the installation, follow these steps to set the Gain Control and then perform the Final System Checks. 1. Turn the Gain Control all the way counter-clockwise. 2. 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. 3. Playa CD or Tape and set the Volume Control at 75% of full
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clarion Operation/Installation Manual FINAL SYSTEM CHECK 1. Start the engine and turn on the source unit. After a two-second delay, slowly increase the Volume Control and listen to the audio. If you hear any noise, static, distortion or no sound at all, check the connections, and also refer to Troubleshooting. Depending on your system design, the levels may become quite loud even at low Volume Control settings. Until you get an "audio feel" of the system1s power, use care when adjusting controls
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Clarion 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; move audio cables away from power wires. Check power and ground connections on amplifier; install an in-line noise filter on source unit's power wire; check alternator and/
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clarion Operation/Installation Manual CLARION LIMITED WARRANTY For USA and Canada only If purchased from an authorized Clarion dealer, this product is warranted against all defects in materials and workmanship for a period of one (1) year from the date of original purchase. Clarion ProAudio prod ucts, except for speakers, are covered by a two (2) year limited warranty when purchased from and installed by an authorized Clarion dealer. ALL PURCHASES OF CLARION PRODUCTS FROM NON-AUTHORIZED CLARION
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80-0480M-01
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281-0624-00 2003/8 CLARION LIMITED WARRANTY clarion® For USA and Canada only If purchased from an authorized Clarion dealer, this product is warranted against all defects in materials and workmanship for a period of one (1) year from the date of original purchase. Clarion ProAudio products, except for speakers, are covered by a two (2) year limited warranty when purchased from and installed by an authorized Clarion OF CLARION PRODUCTS FROM NON-AUTHORIZED CLARION DEALERS ARE dealer. ALL PURCHASES
