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Audiobahn A4KDN - page 1
4000 WA TT RMS CLASS D COMPETITION AMP A4KDN OPERA TING INTSTRUCTIONS PLEASE RET AIN MANU AL FOR FUTRE USE AND REFERENCE QU ALITY , RELIABILITY , & PURE BLISS ...
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Audiobahn A4KDN - page 2
The Audiobahn W ay T o bring the product to market that excites the consumer through sound and vision from an orientation of integrity and customer service. We make you look as good as you sound. We strive to take car audio to an extreme the world has never seen, and a world that never stops evolving. Audiobahn was established in 1997 with one long ...
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Audiobahn A4KDN - page 3
T able of Contents T able of Contents 2 Introduction Features and Specifications Control and Functions Planning / Mounting Y our System Adjusting and T uning T roubleshooting Wiring Diagram W arning and Disclaimer Bridging 2 Amplifiers 3 4 5-10 1 1 12 16 15 17 13-14 W arranty 18-19 ...
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Audiobahn A4KDN - page 4
Introduction Dear Customer , Congratulations on your purchase of the worlds finest brand of car audio products. Here at Audiobahn Inc. we are devoted to making our musical reproduction the very best, and we are pleased you have chosen our product. Through years of engineering expertise, hand craftsmanship, and critical testing procedures, we have c ...
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Audiobahn A4KDN - page 5
Features and Specifications 4 > Class D M OSFET Amplifier > Multi-Stranded Pow er Supply Toroids > Double-Si ded Glass Epoxy Ci rcuit Board > Remote Bass Control with BLUE Backlight Knob > Large Display Volt meter wi th BLUE Illumination > 4-W ay protection circuitry: Therm al, Short circuit, Over load , and DC Off sct > Dual C ...
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Audiobahn A4KDN - page 6
Controls and Functions � ...
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Audiobahn A4KDN - page 7
Controls and Functions � This plug connects the amplifier and the remote bass knob using the supplied cable. This control adjusts the amplifier's input sensitivity . The input sensitivity is variable from 200 Millivolts to 8 volts. T urning clockwise increases sensitivity . T urning counterclockwise decreases sensitivity . This knob is not a ...
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Audiobahn A4KDN - page 8
Controls and Functions � The LINE OUT allows you to build a multiple amplifier system without having to use splitter cords or Y -adapters to distribute the signal. Now it is simply a matter bringing one set of RCAs into the first amplifier , then using the line out RCA jacks as the feed to the next amplifier . By using the bass boost function, ba ...
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Audiobahn A4KDN - page 9
� Controls and Functions For use as a dedicated subwoofer channel, set the filter switch to the "LPF" (Low Pass Frequency). Adjust the variable crossover frequency with control knob as desired. The amplifier input circuit filters out everything above 50Hz ... 150Hz (dependant on the adjustment of the frequency control), so only the lowe ...
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Audiobahn A4KDN - page 10
Controls and Functions These terminals are used to wire your subwoofer(s) to the amplifier . T o avoid unwanted ignition noise caused by ground loops, it is essential that the amplifier be grounded to a clean, bare, metal of the vehicle's chassis. This metal surface should be solid, strong and connected directly to the frame of the car . N ...
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Audiobahn A4KDN - page 11
Controls and Functions The remote terminal needs to be wired to the car's stereo or source unit remote turn on wire. This amplifier is turned on remotely when the vehicle's stereo is turned on. NOTE: iF YOUR RADIO DOES NOT HA VE A +12 VOL T OUTPUT LEAD WHEN THE CAR IS TURNED ON, THE "REMOTE" TERMINAL ON THE AMPLIFIER CAN ...
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Audiobahn A4KDN - page 12
b. Are your components matched? The RMS power rating of your speakers must be equal or greater than the amplifier's. They also must be 1-8 Ohms impedance (this information is normally printed on the speaker magnet). c. Consider both the length of your leads, and routing when determining the mounting location. Pre-Amp input Jacks require a leng ...
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Audiobahn A4KDN - page 13
Wiring Diagram ...
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Audiobahn A4KDN - page 14
Bridging 2 Amplifiers Master Slave BRIDGED BRIDGED IF BRIDGED SWITCH POSITION IS ON SLA VE, ALL CONTROLS ARE NON-FUNCTIONAL. ALL CONTROLS ARE NOW CONTROLLED BY THE MASTER AMPLIFIER. HEAD UNIT DES. 423,503 ...
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Audiobahn A4KDN - page 15
Bridging 2 Amplifiers US 6,656,000B2 When bridging the amps together follow these wiring instructions: 1. Positive (+) of the MASTER amp goes to Positive (+) of the sub 2. Positive (+) of the S LA VE amp goes to the Negative (-) of the sub 3. Connect the Negative (-) terminals of both amps together ...
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Audiobahn A4KDN - page 16
TURNING ON THE AMPLIFIER The amplifier automatically turns on a few seconds after you turn your vehicle's ignition switch to ACC or turn on your auto sound system (depending on how you have wired the system). The POWER indicator on the top of the amplifier illuminates when the amplifier is on. I mportant : Your amplifier requires 30 amps or mo ...
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Audiobahn A4KDN - page 17
Separate speaker wires and insulate Speaker wires short STATUS LAMP ON Temperature shut down Be sure proper speaker load impedance recommendations are observed. (If you use an ohmmeter to check speaker resistance, please remember that DC resistance and AC impedance may not be the same.) AMP TURNING OFF MEDIUM/HIGH VOLUME impedance Check speaker loa ...
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Audiobahn A4KDN - page 18
Investigate the layout of your automobile thoroughly before drilling or cutting any holes. Take care when you work near the gas tanks, lines, hydraulic lines, and electrical wiring. Do not use the power amplifier unmounted. Attach the system securely to the automobile to prevent damage, particularly in the event of an accident. Do not mount the sys ...
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Audiobahn A4KDN - page 19
Audiobahn Consumer Product W arranty Policy Audiobahn products are manufactured with the highest quality components and some of the most advanced technology available. Because of this, we recommend that you have your new products installed by an Authorized Audiobahn Dealer . (A list of Authorized Audiobahn Dealers can be found on our web page). W a ...
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Audiobahn A4KDN - page 20
How to receive warranty service: Contact your local Authorized Audiobahn Dealer , or call Audiobahn at (800) 488-8595 between the hours of 9:00 AM and 5:00 PM PST . If you are having problems with your system, we recommend you check the product carefully and thoroughly to confirm that the product truly has a manufacturer defect; as opposed to abuse ...
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