APX280M manual.qxd 3/12/2004 12:55 PM Page 4

APX280M Power System Amplifier

INSTALLATION

This section suggests Mounting and Wiring Precautions for installing the Clarion APX280M 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- er 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 to the boat. In addition, stain- less steel hardware should be used to mount the amplifier and additional acces- sories. When possible, use a nut and bolt with a lock washer to secure the amplifier. Extra care and attention is necessary in marine installations due to the uncertainty of water conditions.

Additional precautions and suggestions:

1.For the most efficient cooling, mount the amplifier so cool air runs along the length of the heat sink, rather than across them. To increase air movement and circulation, a cooling fan can be installed.

2.Mount the amplifier on a rigid surface; avoid mounting to subwoofer enclosures or areas prone to vibration.

3.Prior to drilling and holes, make sure the proposed mounting holes will not cut into the fuel tank, fuel lines, electrical wiring, or through the boat.

4.Do not mount the amplifier where it is susceptible to water.

WIRING PRECAUTIONS

Read all of the wiring precautions prior to making any connections. If you are unsure and/or don't have the necessary installation hardware, contact your local Clarion dealer to perform the installation.

1.Before you begin the installation, make sure the source unit Power switch is in the OFF position.

2.Disconnect the negative (-) lead of the battery (or batteries) before making any power connections.

3.When making connections, be sure that each connection is clean and secure. Insulate final connections with electrical tape or shrink tubing. Failure to do so may damage your equipment.

4.A good ground is critical for the performance of the amplifier. A ground wire should be run directly from the battery to the amplifier. Use black insulated 10- gauge or larger wire for the amplifier's ground (-) power lead.

5.Add an additional fuse holder and fuse at the positive (+) terminal of the battery. The fuse rating should equal the total current consumption at full output of the amplifier(s). Use red insulated 10-gauge or larger wire for the amplifier's positive (+) power lead. Do not install the fuse until the complete installation has been performed.

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.

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Clarion APX280M manual Installation, Mounting Precautions, Wiring Precautions

APX280M specifications

The Clarion APX280M is an advanced marine amplifier designed for boating enthusiasts seeking high-quality audio performance on the water. Engineered to withstand the harsh marine environment, the APX280M combines cutting-edge technology with robust durability to deliver an exceptional sound experience.

One of the key features of the Clarion APX280M is its power output. With a peak power rating of 280 watts, the amplifier provides ample power to drive a range of marine speakers, ensuring that music can be enjoyed loud and clear, even in windy or noisy conditions. The amplifier is designed to deliver continuous power output of 70 watts per channel at 4 ohms, making it suitable for various setups and configurations.

The APX280M employs a Class D amplification technology, which enhances its efficiency and reduces heat generation. This technology not only maximizes the power output but also minimizes the draw on the boat’s battery, allowing users to enjoy prolonged use without worrying about power consumption. This makes the APX280M an energy-efficient choice for marine audio systems.

The amplifier features a compact, marine-grade aluminum chassis that is corrosion-resistant and designed to endure moisture and salt exposure. This rugged construction ensures longevity and reliability, making it an ideal choice for marine applications. It also includes a conformal-coated PCB that offers additional protection against the elements.

Another notable feature of the APX280M is its built-in crossover functions. This includes high-pass and low-pass filters, allowing users to customize their sound experience and optimize performance based on their speaker setup. The variable gain control allows fine-tuning of the output to match the specific needs of the audio system.

For users who seek simplicity, the amplifier is equipped with straightforward terminals for power, ground, and speaker connections, making installation easy and hassle-free. The low-noise design further enhances the listening experience by minimizing unwanted interference and distortion.

In summary, the Clarion APX280M is a powerful marine amplifier designed with features that address the demands of marine audio systems. Its combination of Class D technology, durability, and customization options make it an excellent choice for any boat owner looking to elevate their audio experience on the water. With the APX280M, users can enjoy quality sound while navigating the waves, making every outing more enjoyable.