Clarion APX280M - Manuals - manualsarea.com

Page 2 - APX280M Power System Amplifier; INTRODUCTION; performance with minimal distortion.; ABOUT THE MANUAL AND WARRANTY

APX280M Power System Amplifier INTRODUCTION The Clarion APX280M is a full-featured two-channel amplifier incorporatingthe following features:• Specially coated circuit boards, that resist mold, mildew and moisture damage.• Pulse-Width Modulated (PWM) MOSFET power supply for maximum performance with ...

Page 3 - Operation/Installation Manual; DESCRIPTION; Figure 1

Operation/Installation Manual 1 DESCRIPTION The APX280M uses an unregulated MOSFET power supply for superior soundand output wattage. In addition, a toroid-coil is used to transfer power with min-imal performance loss due to heat. To avoid unwanted noise, a double-sidedconformal printed circuit boar...

Page 4 - - This allows you to set the nominal operating level of the

APX280M Power System Amplifier 2 • Gain Control - This allows you to set the nominal operating level of the amplifier. The amplifier's range, 250mV to 2.5V for RCA inputs or 500mV to5V for speaker level inputs, can accommodate input levels from virtually anybrand of source unit. • Bass Boost Contro ...

Page 5 - CONNECTIONS FOR POWER AND SPEAKERS; Figure 2

Operation/Installation Manual 3 CONNECTIONS FOR POWER AND SPEAKERS The rear panel of the APX280M contains power and speaker connections asshown below. Figure 2 1. Left Speaker Output2. Right Speaker Output3. Remote Turn-on Input 4. Ground Input5. Battery + 12V Input6. 25 Amp Fuse Figure 3 APX280M ma...

Page 6 - INSTALLATION; areas prone to vibration.; WIRING PRECAUTIONS

APX280M Power System Amplifier 4 INSTALLATION This section suggests Mounting and Wiring Precautions for installing the ClarionAPX280M amplifier. If you do not posses the necessary tools and installation experi-ence, do not attempt to install this amplifier. Instead, contact your local Clarion deal-e...

Page 7 - high-quality RCA cords that are no longer than necessary.; WIRING AND APPLICATIONS; Bridged - Mono Subwoofer System; Set X-Over Mode to LP and adjust; Figure 4; Subwoofer 4 Ohms

Operation/Installation Manual 5 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 a...

Page 8 - Figure 5

APX280M Power System Amplifier 6 2-Channel Full-Range, Satellite, or Subwoofer Stereo System (Set INPUT SELECT Switch to STEREO) Figure 5 In this application, the amplifier is used in stereo and drives two full-range (orsatellite or subwoofer) speakers. NOTE: A passive crossover must be usedwith sat...

Page 9 - Mixed-Mode Satellite and Subwoofer System; Figure 6

Operation/Installation Manual 7 Mixed-Mode Satellite and Subwoofer System (Set INPUT SELECT Switch to STEREO) Subwoofer 4 Ohms Figure 6 The amplifier can be configured for a mixed-mode operation. The table providescomponent values to create a 6dB per octave crossover at specified frequencies.Use com...

Page 10 - SETTING THE GAIN

APX280M Power System Amplifier 8 SETTING THE GAIN After completing the installation, follow these steps to set the Gain Control andthen perform the Final System Checks. 1. Turn the Gain Control all the way counter-clockwise. 2. Turn the vessel's Ignition Switch to the ON position. Then turn the ON/O...

Page 11 - FINAL SYSTEM CHECK; Problem

Operation/Installation Manual 9 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 anynoise, static, distortion or no sound at all, check the connections, and also referto Troubleshootin...

Page 12 - PRODUCT SPECS

APX280M Power System Amplifier 10 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. frozen cone, burning smell,etc.) Problem Audio lacks punch. Solution Speakers wired incorrectly, which cause...

Page 13 - CLARION LIMITED WARRANTY

Operation/Installation Manual 11 CLARION LIMITED WARRANTY For USA and Canada onlyIf purchased from an authorized Clarion dealer, this product is warranted against all defects in materialsand workmanship for a period of one (1) year from the date of original purchase. Clarion ProAudio prod-ucts, exce...