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Model PAB-450R
400 Watt 4-Channel Amplifier
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Manual Manual Manual
Manual Manual
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INDEX Specifications ................................................................................1 Precautions ................................................................................ 2 Installation Instructions .................................................................3 Wiring Instructions ................................................................ 4 - 5 4-Channel and Mixed-Mono Input Wiring Diagram .................... 6 4-Channel and Mixed-Mono Output Wiring Diagram
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HIGH PERFORMANCE STEREO AMPLIFIER This power amplifier has been designed to provide high quality performance with a minimum of maintenance. However, it's performance will only be as good as the HELP! care and quality of components with which it is installed. We therefore advise that you read these instructions very carefully to familiarize yourself with the product and 1-800-645-4994 it's features. Should you require assistance with the installation or wiring of this unit, please call Monday -
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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 an
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INSTALLATION DIAGRAM INSTALLATION INSTRUCTIONS 1. Select a mounting area where the amplifier will END PANELS 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. SELF-TAPPING SCREW 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 l
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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 4-channel, 3-channel, 2-channel, 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 speaker wire connections for this amplifier are made via screw tightened terminal blocks. Loosen the screw for the connection to be made an
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WIRING INSTRUCTIONS 4. Speaker Connections 4. Speaker Connections 4. Speaker Connections 4. Speaker Connections 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, #18 gauge wire should be used for the speaker leads but in no case thinner than #20 gauge. For leads in excess of 10 feet, #16 gauge is recommended. When wiring the speakers, pay careful attentio
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USE THIS INPUT WIRING WITH 4-CHANNEL AND MIXED-MONO INPUT WIRING DIAGRAM OUTPUT WIRING ON PAGE 7 HIGH-LEVEL LOW-LEVEL (SPEAKER) OUTPUTS RCA OUTPUTS CAR STEREO RIGHT REAR - LEFT REAR RIGHT REAR + LEFT REAR - LEFT REAR + RIGHT FRONT - RIGHT REAR LEFT FRONT RIGHT FRONT + LEFT FRONT - LEFT FRONT + RIGHT FRONT IMPORTANT USE EITHER HIGH-LEVEL OR LOW-LEVEL INPUTS, NOT BOTH. 4-PIN CONNECTORS RCA TYPE SHIELDED CABLES 5 3 1 3 5 (NOT INCLUDED) TO CH1 TO CH2 2 4 6 4 2 TO CH3 TO CH4 -6- WHITE WHITE w/BL
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USE THIS OUTPUT WIRING WITH 4-CHANNEL AND MIXED-MONO OUTPUT WIRING DIAGRAM INPUT WIRING ON PAGE 6 LEFT FRONT RIGHT FRONT SPEAKER CONNECT THIS SPEAKER - + WIRE LAST m m SPEAKER IMPEDANCE 4-CHANNEL MODE : 2-8 OHMS MIXED-MONO MODE : 4-8 OHMS - m + m LEFT REAR RIGHT REAR 12 VOLT VEHICLE SPEAKER SPEAKER CHASSIS BATTERY + - USE #10 GAUGE GROUND m m WIRE (SEE TEXT) EXISTING SCREW OR BOLT + CLEAN PAINT, RUST, DIRT - m m OR GREASE FROM AREA FOR GOOD CONNECTION GROUNDED METAL SECTION OF VEHICLE - + +
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USE THIS INPUT WIRING WITH 3-CHANNEL INPUT WIRING DIAGRAM OUTPUT WIRING ON PAGE 9 HIGH-LEVEL LOW-LEVEL (SPEAKER) OUTPUTS RCA OUTPUTS CAR STEREO RIGHT - LEFT RIGHT + LEFT - LEFT + RIGHT MONO OR SUBWOOFER - MONO OR MONO OR SUBWOOFER + SUBWOOFER IMPORTANT USE EITHER HIGH-LEVEL OR LOW-LEVEL INPUTS, NOT BOTH. 4-PIN CONNECTORS RCA TYPE SHIELDED CABLES 5 3 1 3 5 (NOT INCLUDED) "Y" CABLE TO CH1 TO CH2 2 6 4 2 4 TO CH3 TO CH4 -8- WHITE GRAY WHITE w/BLACK STRIPE WHITE WHITE w/BLACK STRIPE GRAY GRAY w
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USE THIS OUTPUT WIRING WITH 3-CHANNEL OUTPUT WIRING DIAGRAM INPUT WIRING ON PAGE 8 CONNECT THIS LEFT RIGHT + - WIRE LAST m m SPEAKER SPEAKER 2-8 OHMS 2-8 OHMS (4-8 OHMS IN (4-8 OHMS IN MIXED-MONOMODE) - + MIXED-MONOMODE) m m 12 VOLT VEHICLE - CHASSIS BATTERY m MONO USE #10 GAUGE GROUND SPEAKER WIRE (SEE TEXT) OR EXISTING SCREW OR BOLT SUB-WOOFER + CLEAN PAINT, RUST, DIRT m 4-8 OHMS OR GREASE FROM AREA FOR GOOD CONNECTION GROUNDED METAL SECTION OF VEHICLE CAR STEREO + - m m 7 AUTO-ANTENNA LEAD
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USE THIS INPUT WIRING WITH 2-CHANNEL MONO (BRIDGED) INPUT WIRING DIAGRAM OUTPUT WIRING ON PAGE 11 HIGH-LEVEL LOW-LEVEL (SPEAKER) OUTPUTS RCA OUTPUTS CAR STEREO LEFT - LEFT LEFT + RIGHT - RIGHT + RIGHT IMPORTANT USE EITHER HIGH OR LOW-LEVEL INPUTS, NOT BOTH. 4-PIN CONNECTORS 5 3 1 3 5 "Y" RCA TYPE SHIELDED CABLES (NOT SUPPLIED) TO CH1 TO CH2 2 6 4 2 4 TO CH3 TO CH4 -10- WHITE GRAY WHITE w/BLACK STRIPE WHITE GRAY WHITE w/BLACK STRIPE GRAY w/BLACK STRIPE GRAY w/BLACK STRIPE
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USE THIS OUTPUT WIRING WITH INPUT 2-CHANNEL MONO (BRIDGED) OUTPUT WIRING DIAGRAM WIRING ON PAGE 10 CONNECT THIS LEFT SPEAKER RIGHT SPEAKER WIRE LAST OR OR SUB-WOOFER SUB-WOOFER 4 - 8 OHMS 4 - 8 OHMS + - m m 12 VOLT VEHICLE CHASSIS BATTERY - GROUND USE #10 GAUGE m + m WIRE (SEE TEXT) EXISTING SCREW OR BOLT CLEAN PAINT, RUST, DIRT OR GREASE FROM AREA FOR GOOD CONNECTION GROUNDED METAL SECTION OF VEHICLE CAR STEREO AUTO-ANTENNA LEAD 7 -11-
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OPERATION After initial set-up, the amplifier should not require any further adjustment unless there is a change in the car stereo or speaker system with which it is used. 1 Power Indicator The Power LED functions as a power and warning indicator. The indicator is white when the power to the amplifier is off. When the indicator is green, the amplifier is operating normally. The LED illuminates red to indicate that the self-protection circuits have been activated and have shut off operation of
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reproduced by the amplifier. Use this setting if the respective amplifier channels are being used to power a full range speaker system. In the "LOW PASS" setting, only the bass frequencies below the frequency set by the Crossover Frequency Control will be amplified and fed to the speakers. Use this setting if the respective amplifier channels are being used to power a sub-woofer speaker system. In the "HI-PASS" setting, only the frequencies above the frequency set by the Crossover Frequency C
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12 / 24 MONTH LIMITED WARRANTY Applies to automotive radios, radio/tape players, radio/CD players, CD changers, 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 12 months from the date of original purchase, such defect(s) will be repaired or replaced with new or reconditioned
