Instruction/ maintenance manual of the product APX401.2 Clarion
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OPERAT I ON INSTALLATION MANUAL 2-CHANNEL POWER AMPLIFIER apx201.qxd 12/5/01 12:57 PM Page 1.
2 Channel Power System Amplifier 2 TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Input Connections and Audio Controls .
Owner’s Manual 3 Owner’s Manual DESCRIPTION The APX201.2 and APX401.2 use an unregulated MOSFET power supply for superior control of output wattage.
2 Channel Power System Amplifier 4 • 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 to 5V for speaker level inputs, can accommodate input levels from virtually any brand of source unit.
Owner’s Manual 5 CONNECTIONS FOR POWER AND SPEAKERS The rear panel of the APX201.2 and APX401.2 contains power and speaker connections as shown below. 1. Left Speaker Output 2. Right Speaker Output 3. Remote Turn-on Input 4. Ground Input 5. Battery +12V Input 6.
2 Channel Power System Amplifier 6 APPLICATIONS The Clarion APX201.2 and APX401.2 2-channel car audio amplifiers can be used in a variety of system applications. Here are some examples to help plan your own installation. Figure 3 - In this application the amplifier is bridged for mono operation to drive a subwoofer.
Owner’s Manual 7 Figure 4 - 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.
2 Channel Power System Amplifier 8 Mixed-Mode Satellite and Subwoofer System FREQ (hz) 80 100 125 150 200 L (mH) 8.0 6.4 5.1 4.2 3.2 C (uF) 497 398 Set X-Over Mode to OFF NOTE: Chart values based on 4 ohm speakers. Figure 5 - The amplifier can be configured for a mixed-mode operation.
Owner’s Manual 9 INSTALLATION This section lists Mounting and Wiring Precautions prior to installing a Clarion APX201.2 or APX401.2. These safeguards provide enough detail to complete the installation successfully. If you do not have the necessary skills, do not attempt to install the amplifier yourself.
2 Channel Power System Amplifier 10 4. A secure, clean ground connection is critical to the performance of your Clarion amplifier. Use the shortest ground wire possible and securely connect to the car chassis to minimize resistance and avoid noise problems.
Owner’s Manual 11 Figure 6. - Electrical connections for the APX201.2 or the APX401.2 apx201.qxd 12/5/01 12:57 PM Page 11.
2 Channel Power System Amplifier 12 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.
Owner’s Manual 13 FINAL SYSTEM CHECKS 1. Start the engine and turn on the source unit. After a two-second delay, slow - ly 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.
2 Channel Power System Amplifier 14 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.
Owner’s Manual 15 Frequency Response Signal Noise Ratio THD Input Sensitivity Low Level Input Sensitivity Speaker Level Max. Power Output Cont. Power Output 2-Ohm Stereo Output Bridged Power Dimensions Current Consumption at output @ max power 20Hz ~ 20kHz >100db .
Clarion Corporation of America 661 W. Redondo Beach Blvd. Gardena, CA 90247-4201 U.S.A. APX201.2.401.2 Rev. 1(11/01) WARRANTY INFORMATION This product is warranted against all defects in material workmanship for a period of one year from the date of original purchase.
An important point after buying a device Clarion APX401.2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Clarion APX401.2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Clarion APX401.2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Clarion APX401.2 you will learn all the available features of the product, as well as information on its operation. The information that you get Clarion APX401.2 will certainly help you make a decision on the purchase.
If you already are a holder of Clarion APX401.2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Clarion APX401.2.
However, one of the most important roles played by the user manual is to help in solving problems with Clarion APX401.2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Clarion APX401.2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
