Blaupunkt GTA 260, Руководство пользователя

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Bridged loudspeaker connections
The GTA ampli er can also be bridged for a mono
con guration. In this con guration, the ampli er
combines the right and left channel to a single-channel
output (mono output).
Caution:
In a bridge circuit, the ampli er load must be 4 ohm
or higher. A lower load leads to overheating & cause
the ampli er to switch off & can cause permanent
damage.
Adjusting the type and range of the
frequency crossovers
With the GTA 260, the type of frequency crossover (i.e.
"Low Pass" or "Hi-Pass") and the desired frequency can
be adjusted. For example, if a subwoofer is to be
connected, the low-pass settings shown are required
(Fig. 3). The frequency is dependent upon the frequency
range of the loudspeakers (see recommended
frequency range of the loudspeakers).
High-Pass - 80Hz
At a setting of 80Hz, the ampli er has a frequency range
of 80Hz to 30,000Hz. (Ideal for Coaxial & Component
Speakers).
Low-pass frequency control
This control is active if the switch is in the position "Low-
Pass", and allows for setting the desired entry frequency.
Example: At a setting of 120Hz, the ampli er has a
frequency range of 10Hz to 120Hz. (Ideal for
Subwoofers).
Bass boost
The bass boost control is used to adjust the bass
response of the ampli er.
The setting options are: 0 dB / +6 dB / +12 dB.
Power-on indicator
(PWR / PRO)
Green LED: Output stage on, regular operating status.
Red LED: Output stage is electronically switched off due
to an error.
Recycling & Disposal
Please use the return and collection systems
available to dispose of the product.
Subject to changes
- Scrape the contact surfaces of the ground point until
they are bright and grease with graphite grease.
Integrated fuses (Fuse)
The fuses integrated in the ampli er (Fuse) protect the
power ampli er and the entire electrical system in case
of an error. If a replacement fuse is used, never bridge
fuses or replace them with a type with higher current.
Connection examples
Connection of the voltage supply............Fig. 2
Audio inputs....................................................Fig. 3
Loudspeaker connections..........................Fig. 4/5
Remote connection of the ampli er with switchable
+12V voltage source.
This allows the ampli er to be switched on and off using
the on/off-switch of the radio device.
Level control
The Level control is used to adjust the input sensitivity of
the power ampli er to the output voltage of your car
sound system preampli er output.
The adjustment range is from 0.2 V to 10V.
If a car sound system of a third party manufacturer is
connected, the input sensitivity must be adjusted
corresponding to the manufacturer data.
An important explanations in this context:
By turning the control clockwise, the input sensitivity of
the ampli er and, therefore, also the volume increases.
However, this is not a volume control; no further
ampli er output can be achieved in the full position,
even if it may sound like that at the beginning. The
system merely increases the volume faster if the volume
control of the car sound system is turned up.
DC Offset- 4
When connecting to an OE radio, it may not be possible
to connect the remote turn on lead on the ampli er,
please use the high level input available on the side
panel & turn on DC Offset to automatically turn on/off
the ampli er when the OE radio is turned on / off.
Loudspeaker connections
As with every audio component, the correct polarity of
ampli er and loudspeakers is important for a good bass
response. For this reason, ensure that the positive (+)
connection of the ampli er is connected with the
positive connection (+) of the loudspeaker; the same
applies to the negative (-) connections. In addition, the
left ampli er channel must be connected with the left
loudspeaker and the right ampli er channel with the
right loudspeaker.
+12V
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GTA 260
GTA 260