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Blaupunkt gta 1300 Manual

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GTA 1300
läßt sich keine höhere Verstärkerleistung erzielen,
auch wenn sich dies zunächst so anhört. Das Sy-
stem steigert lediglich schneller die Lautstärke, wenn
die Lautstärkeregelung des Radiogerätes aufgedreht
wird.
Lautsprecheranschlüsse
Wie bei jeder Audiokomponente ist die korrekte
Polung von Verstärker und Lautsprechern von es-
sentieller Bedeutung für eine gute Basswiedergabe.
Deshalb ist bei den Anschlüssen darauf zu achten,
dass der positive (+) Anschluss des Verstärkers mit
dem positiven Anschluss (+) des Lautsprechers ver-
bunden wird; entsprechendes gilt für die negativen (-
) Anschlüsse. Außerdem muss der linke Verstärker-
kanal mit dem linken Lautsprecher und der rechte
Verstärkerkanal mit dem rechten Lautsprecher ver-
bunden werden.
Art und Bereich der Frequenzübergänge ein-
stellen.
Beim GTA 1300 kann die Art des Frequenzübergangs
(d. h. „Low-Pass“) und die gewünschte Einstiegs-
frequenz eingestellt werden. Wenn beispielsweise ein
Subwoofer angeschlossen werden soll, sind die ab-
gebildeten „Low-Pass“- Einstellungen erforderlich
(Fig. 3). Die Einstiegsfrequenz ist abhängig vom
Frequenzbereich der Lautsprecher (siehe empfohle-
ner Frequenzbereich der Lautsprecher).
„Low- Pass“- Frequenzregelung
Dieser Regler ist aktiv, wenn sich der Schalter in der
Position „Low-Pass“ befindet, und ermöglicht die Ein-
stellung der gewünschten Einstiegsfrequenz. Bei-
spiel: Bei einer Einstellung von 150 Hz hat der Ver-
stärker einen Frequenzbereich von 10 Hz bis 150
Hz.
Bass Boost
Mit Hilfe des Bass Boost Reglers kann die
Basswiedergabe des Verstärkers eingestellt werden.
Der Einstellbereich reicht von 0 dB bis +12 dB.
Betriebsanzeige
(POWER / PROTECTION)
Grünes Licht: Endstufe an, regulärer Betriebszustand.
Rotes Licht: Endstufe ist elektronisch abgeschaltet
da Fehlerfall vorliegt.
Änderungen vorbehalten!
ENGLISH
Introduction
Congratulations on your purchase of a high-quality
GTA power amplifier. By selecting the GTA 1300 you
have chosen a product which delivers superlative
reproduction quality. Whether you are upgrading an
existing system or using the GTA power amplifier in
a new system, you are certain to notice immediate
performance benefits!
The Blaupunkt editors are constantly working on
making the operating instructions clearer and easier
to understand. However, if you still have any questions
on how to operate the equipment, please contact your
dealer or the telephone hotline for your country. You
will find the hotline telephone numbers printed at the
back of this booklet.
We provide a manufacturer guarantee for our
products bought within the European Union. You can
view the guarantee conditions at www.blaupunkt.de
or ask for them directly at:
Blaupunkt GmbH
Hotline
Robert Bosch Str. 200
D-31139 Hildesheim
Germany
Recommendation:
A power amplifier’s performance is only as good as
its installation. Proper installation will maximise the
overall performance of your audio system. We
recommend that you have our product installed
professionally. Should you decide to install the
amplifier yourself, however, please read through these
instructions carefully, and take your time over the
installation.
Finally, a word about your health: please bear in mind
when playing music in your car that sustained sound
levels above 100 dB can damage your hearing and
may even result in total hearing loss. Modern high-
performance systems and high-quality loudspeaker
configurations are quite capable of generating noise
levels above 130 dB
Safety precautions
Instructions for installation and
connection
Fit a fuse in the amplifier power line no more than 30
cm from the vehicle battery, in order to protect the
battery in the event of a short-circuit between it and
the power amplifier. The amplifier’s own fuse protects
the amplifier itself, but not the car battery. Disconnect
the negative terminal of the battery before
carrying out installation and connection work.
Observe the vehicle manufacturer’s safety
instructions (regarding airbags, alarm systems, trip
computers, vehicle immobilisers).
The final stage must be installed professionally
for reasons of safety. The mounting surface must
be suitable for the screws provided, and must
provide firm support. For safety reasons the GTA
1300 should be fixed in a reliable way. You must
not install the GTA 1300 on the rear shelf, on the
rear seats or on any other surface open to the
front.
When drilling holes, take care to avoid damage to
vehicle components (battery, cables, fuse boxes).
Fit the amplifier in a suitable location, e.g. beneath
the seats or in the trunk (Fig. 1). The mounting location
must also be dry, and provide sufficient ventilation
for cooling of the amplifier. Use cable grommets when
passing cables through holes with sharp edges. Use
loudspeakers with an impedance of
2 to 4 Ω (see table or installation drawing). Observe
the max. power handling specifications (music
output). Do not connect the loudspeakers to ground;
only use the terminals provided. The cross-section
of the positive and negative cable must be at least
10 mm
2
.
GTA 1300 amplifier
The amplifier is suitable for connection to car radios
with Cinch connector. Use the Blaupunkt ISO Cinch
adapter to connect the amplifier to car radios with
ISO connector (7 607 893 093/ 7 607 855 094).
Applications and loudspeaker connection
Max Power 1 x 750 Watt / 4 Ω Fig. 4
Max Power 1 x 900 Watt/ 2 Ω Fig. 4
RMS Power 1 x 300 Watt / 4 Ω Fig. 4
RMS Power 1 x 450 Watt / 2 Ω Fig. 4
Frequency
response 10 Hz - 300 Hz
Signal-to-noise
ratio > 90 dB
Distortion factor (RMS) < 0,04%
Stability 2 Ω
Input-sensitivity 0,3 - 8 V
Low-pass filter 50-250 Hz
Bass Boost 0-12 dB
Subsonic filter 20-55 Hz
Dimensions
W x H x D (mm) 340 x 49 x 254
Positive/negative connection
We recommend a cable cross-section of not less than
10 mm
2
. Run a standard commercial positive cable
to the battery and connect to the fuse holder. Use
cable grommets when passing cables through holes
with sharp edges. Bolt a standard commercial nega-
tive cable to a ground point free of induced noise
(car body bolt, body panel) - not to the negative battery
pole. Clean the contact surface of the ground point
down to bare metal and coat with antiseize graphite
petroleum.
Integral fuses
The integral fuses within the amplifier protect the fi-
nal stage and the entire electrical system in the event
of a fault. Never bridge fuses or replace fuses with a
higher current rating.
Example connections
Power supply connection, fig. 2.
Connection of car radio with cinch output, fig. 3.
Loudspeaker connections, fig. 4
+12V
Connect remote amplifier connection to
switchable +12 V power source.
This enables the amplifier to be switched on and off
with the radio’s On/Off switch.
Level control
The Level control enables the input sensitivity of the
final stage to be matched to the output voltage of
your car radio preamp output.
The range of adjustment extends from 0.1 V to 8 V.
Adjust the input sensitivity in accordance with the
manufacturer’s specifications when connecting the
amplifier to other radios.
Important:
Turning the Level control clockwise increases the
input sensitivity of the amplifier, and thereby also the
volume. The Level control is however not a volume
control; an increase in volume is not achieved in the
maximum position, even if this subjectively appears
to be the case. The system merely increases the
volume more quickly when the volume is turned up
on the radio.
Loudspeaker connections
As with any audio component, connection of the
amplifier and speakers with the correct polarity is
essential for good bass reproduction. Ensure
therefore when connecting that the positive (+)
3 …


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