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PLEASE READ THIS MANUAL
BEFORE OPERATING THIS UNIT.
RETAIN FOR FUTURE REFERENCE.
A12001DJ / A18001DJ
OWNER’S MANUAL
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The Audiobahn Way To 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-term goal in mind, “Build it Bigger, Badder, & Better, and the people will take notice!” We back this statement with an engineering team that ha
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TABLE OF CONTENTS Introduction______________________________________________________ 3 Features and Specifications_________________________________________ 4 Control and Functions_____________________________________________ 5-10 Planning / Mounting Your System____________________________________ 11 Wiring Diagram__________________________________________________ 12 Bridging 2 Amplifiers______________________________________________ 13-14 Adjusting and Tuning_____________________________________
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INTRODUCTION 3 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 vert best, and we are pleased you have chosen our product. Through years of engineering expertise, hand craftsmanship, and critical testing procedures, we have created a wide range of products that reproduce music with all the clarity and richness you deserve. For maximum performance we recommend you have
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FEATURES & SPECIFICATIONS 4 FEATURES 1-CHANNEL HIGH OUTPUT CLASS D AMPLIFIER DOUBLE SIDED CIRCUIT BOARD DUAL COOLING FANS VARIABLE LOW PASS FILTER REMOTE BASS BOOST CONTROL DIGITAL DISPLAY VOLT-METER ILLUMINATED CIRCUIT BOARD L.E.D. ILLUMINATED HEAT SINK VAIRIABLE LOW PASS FILTER 50Hz - 150Hz VARIABLE SUBSONIC FILTER 15Hz - 40Hz VARIABLE BASS BOOST 0 - 18dB FREQUENCY RESPONSE + 3dB FROM 15Hz to 150Hz SIGNAL TO NOISE RATIO > 100dB INPUT SENSITIVITY 200mV to 8V TYPICAL CURRENT DR
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CONTROLS & FUNCTIONS 5 A12001DJ / A18001DJ A12001DJ / A18001DJ A12001DJ: 4 EA A18001DJ: 5 EA
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CONTROLS & FUNCTIONS 6 1. Bass Boost Gain Remote Control This plug connects the amplifier and the remote bass knob using the supplied cable. 2. Input Sensitivity Control This control adjusts the amplifier's input sensitivity. The input sensitivity is variable from 200 Millivolts to 8 volts. Turning clockwise increases sensitivity. Turning counter clockwise decreases sensitivity. This knob is not a volume control for the amplifier. The amplifier can be driven to full power with a wide range of
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CONTROLS & FUNCTIONS 7 4. Low Level LINE OUT RCA Jacks 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. 5. Bass Boost Control By using the bass boost function, bass notes at 45Hz are emphasized as much as 18dB. 6. Phase Shift Control Allows you to change
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CONTROLS & FUNCTIONS 8 7. Low-Pass Filter Control 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 lowest bass notes are amplified. 8. Sub Sonic Control The sub sonic control will cut all frequencies below what it is set to from going to
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CONTROLS & FUNCTIONS 9 11. Speaker Terminals These terminals are used to wire your subwoofer(s) to the amplifier. 12. B- Terminal (Chassis Ground) To 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. Note: GROUND WIRE SHOULD NOT BE EXTENDED MORE THAN 3 FEET (1 METER) 13. B+ Terminal (Battery Positive) Due
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CONTROLS & FUNCTIONS 10 14. Remote Turn-on Input 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 HAVE A +12 VOLT OUTPUT LEAD WHEN THE CAR IS TURNED ON, THE "REMOTE" TERMINAL ON THE AMPLIFIER CAN BE CONNECTED TO THE VEHICLE'S ACCESSORY CIRCUIT THAT IS LIVE WHEN THE KEY IS TURNED ON. 15. LED Indicators PWR (Power): This BLUE LED will illuminate
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PLANNING/MOUNTING YOUR SYSTEM 11 Planning Your System Before beginning the installation, consider the following: a. If you plan to expand your system by adding other components sometime in the future, ensure that adequate space is left, and cooling requirements are met. If your radio/source is equipped with Pre-Amp outputs, it is possible to utilize them to drive an Amplifier and connecting (Amplifier) to the 2 rear speakers. Then, use the built-in power of your radio to drive the 2 front
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WIRING DIAGRAM 12 A12001DJ / A18001DJ MONO MODE
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Bridged 2 amplifiers 13 IF BRIDGED SWITCH POSITION IS ON SLAVE, ALL CONTROLS ARE NON-FUNCTIONAL. ALL CONTROLS ARE NOW CONTROLLED BY THE MASTER AMPLIFIER. Master Slave HEAD UNIT BRIDGED Master Slave BRIDGED
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Bridging Two Amplifiers 14 A12001DJ: 4EA A18001DJ: 5EA A12001DJ: 4EA A18001DJ: 5EA
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ADJUSTING AND TUNING 15 Below you will find information on adjusting the amplifiers gains. Adjusting the gain correctly is essential to proper operation of the amplifier. If the gain is not adjusted properly it can and will lead to damage of the amplifier and connected speakers and will void your MANUFACTURER WARRANTY. The gain on an amplifier is not a volume control. It is a signal level setting that tells the amplifier how strong of a signal is coming from the head unit. Your amplifie
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TROUBLESHOOTING 16 SYMPTOMS CHECK POINTS CURE NO SOUND Is the power Check fuses in amplifier. LED illuminated ? Be sure Turn-on lead is connected ( NO ) Check signal leads. Check gain control. Check Tuner/Deck volume level. Clean contacts on fuse holders. Is the Diagnostic Check for speaker short or LED illuminated ? ( YES ) Amplifier overheating. AMP NOT No power to power wire Repair power wire or connections. SWITCHING ON
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WARNING / DISCLAIMER 17 Investigate the layout of your automobile thoroughly before drilling or cutting any holes. Take care when you work near gas tanks, gas lines, hydraulic lines, and electrical wiring. Do not use the power ampli- fier unmounted. Attach the system securely to the automobile to prevent damage, particularly in the event of an accident. Do not mount the system so that the wire connections are unprotected or are subject to pinching or damage from nearby objects. The +12V
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WARRANTY 18 Audiobahn Consumer Product Warranty 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 Au- thorized Audiobahn Dealer. (A list of Authorized Audiobahn Dealers can be found on our web page). Warranty Period: One year from the original date of purchase. Warranty Coverage: This warranty covers manufacturer defects only. The warr
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WARRANTY CONTINUED 19 How to receive warranty service: Contact your local Authorized Audiobahn Dealer, or call Audiobahn at (714) 452.1476 between the hours of 9:00AM and 5:00PM 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, or other components in the system caused the failure. This might include having an Authorized Audiobahn Dealer look at the pr
