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Caliber CA 520 Manual

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ENGLISH
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ENGLISH
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SIGNAL INPUT
• The RCA’s to your left are the ‘Line-in’ terminals and are to be connected with your radio/cassette
or CD player.
• Each Caliber amplifier offers you the possibility to connect a second (or more) amplifier(s) to your
system via the “Signal-out” terminals.The advantage of two amplifiers is that one amplifier can be
used for normal stereo, while the other is used as a subwoofer amplifier.
• All Caliber amplifiers have a variable input level adjustment. It allows you to match any signal source
(CD player,AM/FM cassettedeck, etc) correctly from its pre-amp output into your Caliber amplifier.
The adjustment ranges from 15V - 500mV(0.5V).
• The Caliber Competition Series IV amplifiers feature a built-in variable crossover which allows you
to fine-tune your amplifiers response as you like it. Either for the Full Range sound, in which case
the LPF-OFF-HPF switch remains in its OFF position, or you can specifically select the High-Pass-
Filter (HPF) or Low-Pass-Filter (LPF) to adjust to your speakers requirements.The built-in variable
crossover can be adjusted in a range from 50Hz - 250Hz.
SPEAKER OUTPUT
• All the Caliber Competition Series IV amplifiers have a Stereo/Bridgeable Tri-Mode speaker output
terminal. The amplifier has its own stereo/bridge switch built-in, so there is no need to select a
stereo or bridged mode.You can connect the speakers to each channel in stereo mode, and simul-
taneously connect a sub-woofer to the speaker terminal in the bridged mode.
•Pay attention in connecting your speakers and sub-woofer. Be sure to observe correct speaker out-
put connections and polarity.
In the stereo mode, connect the right speaker output to the right speaker and the left to the left.
Connect the positive (+) output to the positive (+) speaker terminal and the negative (-) output
to the negative (-) speakerterminal.
• In the bridged mode connect the right (+) positive to the positive speaker terminal and the left (-)
negative to the negative speaker terminal.
• Do not use the negative speaker output commonly for left and right speakers (common ground).
Improper polarity causes a loss of bass response.
• Never connect the negative speaker output to the chassis of your vehicle. This can cause severe
damage to your Car Audio System.
AMPLIFIER ADJUSTMENTS
• Put the input level adjustment knob to the minimum. Note the minimum input sensitivity of an
amplifier is 15V and not 0.5V.
• Put the volume of your radio to 3/4 of the maximum.
•Now it is time to adjust the input level. Slowly turn up the input level and listen carefully untill you
hear the amplifier begin to distort. A Caliber Amplifier “clips” very softly, so this can sometimes be
a difficult adjustment.
CALIBER WARRANTY
Due to the complexity of our products, we strongly recommend that this amplifier is installed by
your authorized Caliber dealer. If properly installed by your dealer we provide a warranty for 12
month from the date of purchase.
If you install this amplifier yourself, we wish you lots of fun and succes in doing so. If you follow our
guidelines, you’ll get the best result. Our warranty, however, will be limited to and not exceed 30
days from the date of purchase.
FEATURES
•
Bridgeable outputs.
•
’Tri-mode’ output capability, simultaneous stereo & bridged mono set up is possible.
•
Pulse Width Modulated (PWM) MOSFET Power Supply.
•
2Ω stable (4Ω mono-bridged)
•
Double sided epoxy board for jumperless signal paths.
•
Variable input sensitivity: 15V to 0.5V.
• BassBoost 0dB-6dB
•
Thermal-, Overload- and Shortcircuit protection.
•
Excellent muting circuitry assures no turn on/off ‘pops’.
•
Built-in adjustable HighPass/LowPass Filter.
•
Differential inputs to shunt any input noise
•
Signal output RCA’s for additional amplifier(s).
•
Large power supply connectors for optimal power distribution.
• Chromium plated power connectors for optimal power distribution.
•
European design and engineering.
• Chromium plated speaker connectors for optimal signal output
.
MOUNTING
The amplifier has to have at least 5cm (2”) ventilation space at all sides, to allow the heat to rise
away from the amplifier. Be sure that the power and signal cables can enter and leave the amplifier
in a straight line, to avoid the risk of malfunction. Always place the power- and signalcables at
opposite sides of the vehicle to reduce any noises.
The amplifier should be protected from exposure to moisture and direct sunlight.
Mark the mounting surface using the amplifier as a template, then drill 2.5mm (1/8”) diameter holes
at the marked locations and mount the amplifier using the supplied self-tapping screws.
INSTALLATION
Remember to always disconnect battery ground before working on a vehicle’s electrical system!
Always place a fuse or circuit breaker no more than 30cm (12”) from the battery, no greather than
the fuse(s) of your amplifier for optimal protection.
GETTING YOUR POWER STARTED
• First, the +12V terminal is connected directly to the battery of your car. Use a cable of at least
10mm
2
(8 AWG), and make sure that the connectors are of the same value.
- Don’t forget the extra “Vehicle protection” fuse.
- The 12V + terminal should NOT be connected to the car fuse box.
• Second, the ground terminal (GND) must be fastened securely to the chassis of the vehicle with the
same gauge cable as the positive cable (the same amount of power has to run through it). Ensure
that all paint, undercoating or any other insulation is removed from the area where you want to
make your ground connection to.
•Third, the last cable to connect is your remote turn-on (REM). Many radio-cassette and CD-players
have an output terminal for connection of the REM of an amplifier. If you don’t have such an output,
a separate switch must be installed to control your amplifiers on/off function.
CompetitionIV/2k/Manual 13-01-2005 09:02 Pagina 2
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