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APX280M Power System Amplifier

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 (or
satellite or subwoofer) speakers. NOTE: A passive crossover must be used
with satellite speakers.

Set X-Over Mode as

shown.

Set X-Over Mode as shown;
adjust FREQ to speaker
specifications.

APX280M manual.qxd 3/12/2004 12:55 PM Page 6

Содержание APX280M

Страница 1: ...APX280M manual qxd 3 12 2004 12 55 PM Page 1 ...

Страница 2: ...o 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 APX280M amplifier The installation of this amplifier can be quite complex to install if you do not posses the necessary knowledge ...

Страница 3: ...appropriately To ensure the best possible electrical connections the power speaker and RCA inputs are gold plated In the event of component failure or a short circuit the APX280M incorporates safe guards and an outboard ATC fuse to prevent damage to the amplifier INPUT CONNECTIONS AND AUDIO CONTROLS The front panel of the APX280M contains both connections for RCA and speak er level inputs along wi...

Страница 4: ...Hz Control will produce no effect Crossover Frequency Multiplier Switch When engaged this switch increases the crossover frequency by a factor of 10 Example If the Freq Hz dial is set for 240 Hz pushing in the Multiplier Switch changes the setting to 2400 Hz X Over Mode Switch This switch is equipped with a 12dB per octave electronic filter for precise frequency attenuation with minimal phase dist...

Страница 5: ...RS The rear panel of the APX280M contains power and speaker connections as shown below Figure 2 1 Left Speaker Output 2 Right Speaker Output 3 Remote Turn on Input 4 Ground Input 5 Battery 12V Input 6 25 Amp Fuse Figure 3 APX280M manual qxd 3 12 2004 12 55 PM Page 3 ...

Страница 6: ...ng 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 positi...

Страница 7: ... longer than necessary 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 APX280M 2 channel marine audio amplifier can be used in a variety of system applications Here are some examples to help plan your own installation Bridged Mono Subwoofer System Set X Over Mode to LP and adjust FREQ to speaker specificat...

Страница 8: ...on the amplifier is used in stereo and drives two full range or satellite or subwoofer speakers NOTE A passive crossover must be used with satellite speakers Set X Over Mode as shown Set X Over Mode as shown adjust FREQ to speaker specifications Set X Over Mode as shown adjust FREQ to speaker specifications APX280M manual qxd 3 12 2004 12 55 PM Page 6 ...

Страница 9: ... values to create a 6dB per octave crossover at specified frequencies Use components that have a 5 tolerance and capacitors rated at 100V NOTE Choose the same frequency for both LP and HP crossovers Do not over lap frequencies as this may damage the amplifier FREQ Hz 80 100 125 150 200 L mH 8 0 6 4 5 1 4 2 3 2 C µF 497 398 318 265 199 NOTE Chart values based on 4 Ohm speakers APX280M manual qxd 3 ...

Страница 10: ...sing the X Over Mode Switch select the desired mode LP for Low Pass HP for High Pass and OFF for Full Range 2 Using the Freq Hz Control select the desired frequency If the desired frequency exceeds the range of the Freq Hz Control press the Crossover Frequency Multiplier Switch to increase the value by a multiplier of 10 For example 55Hz x 10 550Hz or 550Hz x 10 5 5kHz SETTING THE BASS BOOST 1 Ini...

Страница 11: ...without distortion If you hear distortion check the connections and verify that the Gain Control is set correctly Another possibility is damaged speakers or under powered speakers Once again refer to Troubleshooting for additional help TROUBLESHOOTING Problem No Audio Solution Low or no remote turn on voltage Check remote connections at amplifier and source unit Blown amplifier fuse Replace with n...

Страница 12: ...dio 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 or voltage regulator test for weak battery or add water to battery PRODUCT SPECS Frequency Response 20Hz 20kHz Signal Noise...

Страница 13: ...t be shipped in its original carton or equivalent carton fully insured with shipping charges prepaid Clarion will not assume any responsibility for any loss or damage incurred in shipping 7 CLARION PRODUCTS INCLUDING PROAUDIO PRODUCTS PURCHASED FROM A SOURCE OTHER THAN AN AUTHORIZED CLARION DEALER INCLUDING ANY AND ALL PURCHASES VIA THE INTERNET FROM A NON INTERNET AUTHORIZED CLARION DEALER SHALL ...

Страница 14: ...APX280M manual qxd 3 12 2004 12 55 PM Page 12 ...

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