ENGLISH
Warranty
We
provide a manufacturerls warranty for products
bought
within
the European Union.
For
devices purchased outside
the European Union, the warranty terms issued by our re-
spective responsible domestic agency
are
valid. The warranty
terms
can
be called
up
from www.blaupunkt.com.
Recommendation
The performance
of
an
amplifier
can
only be
as
good
as
its in-
stallation. A correct installation increases the overall perform-
ance
of
your car sound system. The
GTA
amplifier should be
installed by a trained person.lf you would
to
install it yourself,
please read these installation instructions very carefully and
allow yourself sufficient
time
for the installation.
In conclusion, allow
us
a few words
about
the topic
of
health
protection:
During the playback
of
music in your vehicle, please consider
that
continuous sound-pressure levels above 100
dB
can
lead
to
permanent damages
to
the
human ear and even
to
loss
of
hearing. Using today's high-performance systems
and loudspeaker configurations allows for reaching sound-
pressure levels above 130
dB.
Safety notes
Please
observe
the
following
safety notes during the instal-
lation and connection.
- Disconnect the negative pole
of
the battery! Observe the
safety notes
of
the
vehicle manufacturer.
When you drill holes, ensure
that
you
do
not
damage any
vehicle components.
The cross section
of
the plus and minus cable may
not
be
less
than 6
mm
2
•
Use
cable glands for holes
with
sharp edges.
-
An
incorrect installation can result in malfunctions
of
the
electronic vehicle systems
or
your car sound system.
Installation
and
connection instructions
With respect
to
accident safety,
the
GTA
270
SF
must be
secured in a professional way.
When selecting
the
installation location, select a
dry
loca-
tion
that
offers
sufficient
air
circulation
for
cooling
the
amplifier.
The
GTA
270
SF
must
not
be installed on rear shelves, rear
seats or
other
locations
that
are open
to
the front.
The installation location must be suitable
to
accept the
ac-
companying screws and provide a firm support.
The amplifier power cable must be fitted
with
a fuse no more
than
30
em
from the battery
to
protect the vehicle battery in
case
of
a short circuit between
power
amplifier and battery.
The fuse
of
the amplifier protects only the amplifier,
not
the
vehicle battery.
Use
loudspeakers
with
2-
4 n impedance
(see
table or in-
stallation drawing). Observe
the
maximum power handling
capacity (music
output).
Do
not
connect loudspeakers
to
earth,
use
only the referenced terminals.
GTA
270
SF
Amplifier
GTA
270
SF
The amplifier
is
suitable for connecting a car sound system
with
cinch connections.
For
the
connection
to
car sound systems
with
ISO
connec-
tion,
use
Blaupunkt
ISO
cinch adapters
(7
607 893 093
or
7 607 855 094).
Application options and loudspeaker connection
Stereo Mode
Max power 2 X
140W
I 4 0
Fig.4,5
Mono
mode
Max power
1
X
420W
I 4 0
Fig.
6
Stereo
Mode
Max power
2
X
200W
I 2 0
Fig.
4,
5
Stereo
Mode
RMS
power 2 X
70W
I
40
Fig.
4,5
Mono
mode
RMS
power 1 X
200W
I 4 0
Fig.
6
Stereo Mode
RMS
power 2 X
100W
I 2 0
Fig.
4,
5
Frequency response
1 0
Hz
- 30,000
Hz
Signal-to-noise ratio >
92
dB@
RMS
power
Signal-to-noise ratio >
75
dB@ 1
WI
1 kHz
Distortion factor (RMS)
< 0.05%
Stability 2 0
(4
0 in bridge mode)
Input sensitivity
0.1
-8
v
Low-pass filter
(Low
Pass)
SO-250Hz
High-pass filter
(High
Pass)
80Hz
Bass
boost 0
dB
to+
12
dB
Dimensions
WxHxD(mm)
197 X
52
X 296
w X H X D (
11
)
7.8
X
2.1
X 11.7
Plus I minus connection
-
We
recommend a
minimum
cross section
of
6
mm
2
•
- Route commercially available plus cables
to
the battery
and connect via fuse holder.
-
Use
cable glands for holes
with
sharp edges.
- Securely fasten commercially available minus cables
to
a
noise-free earth
point
(chassis screw, chassis metal) (not
to
the
minus pole
of
the battery).
- Scrap the contact surfaces
of
the earth
point
until they
are
bright
and grease
with
graphite grease.
Integrated fuses {Fuse)
The fuses integrated in the amplifier
(Fuse)
protect the power
amplifier and the entire electrical system in
case
of
an error.
5
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