AudioBahn A12001DJ Manuale utente
PLEASE READ THIS MANUAL
BEFORE OPERATING THIS UNIT.
RETAIN FOR FUTURE REFERENCE.
A12001DJ / A18001DJ
OWNER’S MANUAL
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 has brought home several Innovations, Design &
Engineering Showcase Awards, and a marketing team from around the world that
spends countless hours developing our no compromise products to satisfy the most
discriminating enthusiasts.
Our global manufacturing facilities feature ISO9002 ratings (the highest level
of quality control awarded in the electronics manufacturing industry), fully robotic as-
sembly lines and a state of the art, California based R & D laboratory.
Our Technical Department and entire staff look to strive above and beyond
the rest of the pack by going that extra mile to help you out. Whether you happen to
be a veteran competitor, or a beginner car audio enthusiast who does not know a
voice coil from a spider. We are all her to help you get the best system you can with
what you have.
Judge for yourself, and remember what it’s all about, “If it’s not Bigger, Bad-
der & Better, it’s not Audiobahn.” If audio is your life, Audiobahn is the brand for you!
We make you look as good as you sound. People never stop trying to get the best
product, so we will never stop making it.
The Audiobahn Way
Introduction______________________________________________________ 3
Features and Specications_________________________________________ 4
Control and Functions_____________________________________________ 5-10
Planning / Mounting Your System____________________________________ 11
Wiring Diagram__________________________________________________ 12
Bridging 2 Ampliers______________________________________________ 13-14
Adjusting and Tuning______________________________________________ 15
Troubleshooting__________________________________________________ 16
Warning / Disclaimer______________________________________________ 17
Warranty_______________________________________________________ 18-19
Notes__________________________________________________________ 20-22
TABLE OF CONTENTS
Dear Customer,
Congratulations on your purchase of the worlds nest 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 your Audiobahn product installed by
an Authorized Audiobahn Dealer, as we provide specialized training through our Audiobahn
Installer Training Programs. Please read your warranty, keep your receipt, and original
carton for possible future use.
To get a free brochure on Audiobahn products in the US call (714) 452-1476 or e-mail us at
WARNING
Continuous exposure to sound pressure levels over 100dB may cause permanent
hearing loss. High powered autosound systems may produce sound pressure levels
well over 135dB. Need we say more! Use common sense.
If after reading this manual you still have questions regarding your product, we recom-
mend that you see your nearest Audiobahn Dealer. A list of Authorized Audiobahn
Dealers can be found on our web page. If you need further assistance, feel free to call
us at (714) 452-1476 and ask for the Technical Department. Be sure to have the model
number, date of purchase, and invoice number available when you call.
The model number can be located on the outside of the carton. Record this in the space
provided below along with the date of purchase. It is a good idea to keep your receipt
with this as you will need it in the case of needing a warranty, repair service or ex-
change.
Date of Purchase: _____________________Model Number:___________________
INTRODUCTION
3
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
L.E.D. ILLUMINATED HEAT SINK
VAIRIABLE LOW PASS FILTER 50Hz - 150Hz
VARIABLE BASS BOOST 0 - 18dB
INPUT SENSITIVITY 200mV to 8V
TYPICAL CURRENT DRAW 1.4 AMPS
POWER OUTPUT
A12001DJ
INTO 4 OHMS........................................................1 x 450 WATTS RMS Power
INTO 2 OHMS........................................................1 x 800 WATTS RMS Power
INTO 1 OHM...........................................................1 x 1500 WATTS RMS Power
A18001DJ
INTO 4 OHMS........................................................1 x 700 WATTS RMS Power
INTO 2 OHMS........................................................1 x 1300 WATTS RMS Power
INTO 1 OHM...........................................................1 x 2500WATTS RMS Power
FEATURES
SPECIFICATIONS
ILLUMINATED CIRCUIT BOARD
VARIABLE SUBSONIC FILTER 15Hz - 40Hz
SIGNAL TO NOISE RATIO > 100dB
FREQUENCY RESPONSE + 3dB FROM 15Hz to 150Hz
Fuse Ratings
Dimensions
A12001DJ: 30A x 4
A18001DJ: 30A x 5
A12001DJ (W x H x L) : 11 15/16" x 2 1/2" x 14 3/4"
A18001DJ (W x H x L) : 11 15/16" x 2 1/2" x 16 7/8"
FEATURES & SPECIFICATIONS
4
A12001DJ / A18001DJ
A12001DJ / A18001DJ
A12001DJ: 4 EA
A18001DJ: 5 EA
CONTROLS & FUNCTIONS
5
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. 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
input signals. A lower signal level will require increased sensitivity to reach full power. A higher signal level
will require decreased sensitivity.
These inputs are for signal cables from the source. Always use high quality, shielded RCA cables.
1. Bass Boost Gain Remote Control
2. Input Sensitivity Control
3. Low level Input RCA Jacks
CONTROLS & FUNCTIONS
6
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, bass notes at 45Hz are emphasized as much as 18dB.
Allows you to change the phase of your subwoofer from 0 to 180 degrees to help compensate for timing
differences between drivers.
4. Low Level LINE OUT RCA Jacks
5. Bass Boost Control
6. Phase Shift Control
CONTROLS & FUNCTIONS
7
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.
The sub sonic control will cut all frequencies below what it is set to from going to your sub(s). This will
prevent your subs from playing any frequencies that may harm them.
7. Low-Pass Filter Control
8. Sub Sonic Control
9. Bridged Connection
10. Light Switch
This is the connection used to bridge 2 two of the same class D amplifiers together. Later in this manual it
is explained how to bridge the amps and what settings to use.
This switch is used to tun the extrnal lights on and off. When set to the off position, only the
power/protection lights, volt-meter and clipping lights will stay on.
CONTROLS & FUNCTIONS
8
These terminals are used to wire your subwoofer(s) to the amplifier.
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)
Due to the power requirements of the amplifier, this connection should be made directly to the positive (+)
terminal of the battery. For safety purposes, install an in-line fuse holder (not included) as close to the
battery positive (+) terminal as possible with an ampere rating not to exceed the total value of fuses in the
amplifier.
11. Speaker Terminals
12. B- Terminal (Chassis Ground)
13. B+ Terminal (Battery Positive)
CONTROLS & FUNCTIONS
9
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