ENGLISH
Introduction
Congratulations on your purchase of a high-
quality GTA power amplifier. By selecting the
GTA 275 you have chosen a product which deli-
vers 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 maxi-
mise the overall performance of your audio sy-
stem. 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 su-
stained sound levels above 100 dB can damage
your hearing and may even result in total hea-
ring loss. Modern high-performance systems
and high-quality loudspeaker configurations are
quite capable of generating noise levels above
130 dB
Safetyprecautions
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 its-
elf, 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 in-
structions (regarding airbags, alarm systems,
trip computers, vehicle immobilisers).
The final stage must be installed professional-
ly for reasons of safety. The mounting surface
must be suitable for the screws provided, and
must provide firm support. For safety reasons
the GTA 275 should be fixed in a reliable way.
You must not install the GTA 275 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 bo-
xes).
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 pas-
sing cables through holes with sharp edges.
Use loudspeakers with an impedance of
2 to 4 (see table or installation drawing). Ob-
serve the max. power handling specifications
(music output). Do not connect the loudspea-
kers to ground; only use the terminals provided.
The cross-section of the positive and negative
cable must be at least 6 mm
2
.
GTA 275 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).
