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Model AXT-550
500 Watt 2-Channel
Bridgeable MOSFET Amplifier
OWNER'S
MANUAL
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INDEX Specifications.....................................................................3 Precautions........................................................................4 Installation Instructions...................................................... 5 Wiring Instructions........................................................ 6 - 7 Input Wiring Diagram........................................................ 8 Output Wiring Diagram..................................................... 9 Oper
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HIGH PERFORMANCE STEREO AMPLIFIER This power amplifier has been designed to provide high Quality performance with a HELP! minimum of maintenance. However, it's performance will only be as good as the care and quality of components with which it is installed. We therefore advise that you 1-800-645-4994 read these instructions very carefully to familiarize yourself with the product and it's features. Monday-Friday 8:30am - 7:00pm Eastern Should you require assistance with the installation or wirin
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PRECAUTIONS 1. Although this unit is designed with built-in self-protection circuits, there may be a possibility of damage if it is not wired correctly. Please follow the wiring instructions carefully for the type of system being used. 2. The last lead to be connected is the wire to the positive( ) terminal of the battery. Connect this + + wire only after having completed and checked all other connections to the amplifier. 3. By nature of its design, a power amplifier generates heat and require
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INSTALLATION INSTRUCTIONS INSTALLATION DIAGRAM 1. Select a mounting area where the amplifier will have sufficient air circulation for proper cooling. Inadequate air circulation will cause the temperature of the amplifier to rise and will trigger the thermal protection mode. 2. Place the amplifier on the mounting surface and mark the locations of the four mounting holes as shown in the illustration. 3. Remove the amplifier and drill a 1/8" hole at each of the four locations. CAUTION: Befor
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WIRING INSTRUCTIONS The wiring of your amplifier will depend on the system and speakers you are using but will either be a stereo, mono, or mixed-mono application. The following pages illustrate the input and output wiring for these types. please refer to the appropriate diagrams for the system configuration you are using. The power and speakers wire connections for this amplifier are made via screw tightened terminal blocks. Loosen the screw for the connection to be made and fully insert the wi
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WIRING INSTRUCTIONS 4. Speaker Connections Depending on the type and number of speakers used with the amplifier, wire them to the speaker terminals as per the appropriate wiring diagram. For most applications, #16 gauge wire should be used for the speaker leads but in no case thinner than #18 gauge. For leads in excess of 10 feet, #14 gauge is recommended. When wiring the speakers, pay careful attention to the polarity of the terminals on the speakers and make certain they correspond to the p
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INPUT WIRING DIAGRAM CAR STEREO NOTE: When using High-Level (Speaker) Outputs of car stereo, connect only the Positive (+) Left wires to the amplifier. Do not use Negative (-) Right Output wires (insulate ends with tape and leave disconnected) IMPORTANT USE EITHER HIGH-LEVEL OR LOW-LEVEL INPUT, NOT BOTH. RCA TYPE SHIELED CABLES (NOT INCLUDED) CHASSIS GROUND ON RADIO HIGH LEVEL (SPEAKER) INPUTS LOW LEVEL INPUTS (WIRE SIDE VIEW) H HI- I-IN INP PU UT T X X- -O OV VE ER R P PW WR R R R
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OUTPUT WIRING DIAGRAM EXISTING SCREW OR BOLT CLEAN PAINT, RUST, DIRT OR GREASE FROM AREA FOR GOOD CONNECTION. GROUND METAL SECTION OF VEHICLE F FU US SE E LEFT RIGHT B BR RID IDG GE ED D BATT REM GND USE #10 GAUGE WIRE (SEE TEXT) LEFT RIGHT SPEAKER SPEAKER 2-8 OHM 2-8 OHM GROUND CAR STEREO BATTERY FOR 12 VOLT USE ONLY AUTO-ANTENNA LEAD -9-
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OPERATION 2 1 8 3 5 4 6 9 7 H HI- I-IN INP PU UT T F FU US SE E X X- -O OV VE ER R P PW WR R R R L L + + R R + + P P R R T T L L R R L L P P F F H H P P F F G GN ND D F FU UL LL L M MIN IN M MA AX X 0 0d dB B 1 18 8d dB B 5 50 0H Hz z 2 25 50 0H Hz z 5 50 0H Hz z 2 25 50 0H Hz z LEFT RIGHT L L G GA AIN IN B BA AS SS S L LP PF F H HP PF F B BO OO OS ST T B BR RID IDG GE ED D B BA AT TT T R RE EM M G GN ND D After initial set-up, the amplifier should not require any If activated by a rise in emp
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Adjust it to the appropriate position for the characteristics from the system. If, however, there is still output from and crossover frequency requirements of the speaker the amplifier when the car stereo volume control is at its system with which the amplifier is being used. minimum setting, or the output level increases too fast with a small rotation of the volume control, adjust the Level control to decrease the output from the system. 6 HPF Crossover Frequency Control Once the correct sett
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9 Fuse The circuitry of the amplifier is protected from damage by an automotive-type fast-blow fuse. If fuse replacement is necessary, use only fuses of the of the same ampere rating as originally supplied with the unit. The use of fuses with incorrect ratings may cause serious damage to the amplifier. If fuses blow consistently, carefully check all electrical connections to the unit. -12-
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90 DAY/12MONTH LIMITED WARRANTY 90 DAY/12MONTH LIMITED WARRANTY Applies to car stereo power amplifiers, equalizers and accessories. Applies to car stereo power amplifiers, equalizers and accessories. AUDIOVOX CORPORATION (the Company) warrants to the original retail purchaser of this product that should this product or any part thereof, under normal use and conditions, be proven defective in material or workmanship within 90 days from the date of original purchase, such defect(s) will be repaire
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C C 2003 Audiovox Electronics Corporation, Hauppauge, N.Y. Printed in Korea 128-6560
