3
ENGLISH
Introduction
Please read these operating instructions be-
fore using the equipment for the fi rst time.
We provide a manufacturer guarantee for
our products bought within the European
Union. You can view the guarantee condi-
tions at www.blaupunkt.de or ask for them
directly at:
Blaupunkt GmbH
Hotline
Robert-Bosch-Str. 200
D-31139 Hildesheim
Germany
Safety Notes
Prior to drilling the mounting holes, make
sure that no cables and parts of the vehicle
will be damaged.
Leave ample clearance between the cables
and other harnesses. Use cable ducts at
sharp-edged holes.
Note:
We recommend that you operate the GTb
300 HP in conjunction with our GTA series
amplifi ers.
The GTb 300 HP can be operated in normal as
well as in bridged mode (for further details,
please refer to the operating instructions
that came with the amplifi er). In any case,
please observe the RMS output power of
your amplifi er. It must not exceed the RMS
power of the GTb 300 HP. Non-compliance
with this can cause damage to the product
in the long term.
Setting up the subwoofer tube
In order to achieve a balanced sound, we
recommend that you confi gure the amplifi er
as follows.
1. First set the volume control to minimum
and the crossover control to its middle
position.
2. Now play some music on your car sound
system that you are very familiar with and
that contains some low bass (e.g. pop
music). Now slowly increase the volume of
the subwoofer until you feel that the sound
of the music is well balanced, i.e. the bass
is neither too weak nor overpowering.
3. Now listen to the relationship between
deep male voices and the upper bass and
also take note of the relationship between
the upper bass (kick bass) and the lower
bass. The bass should ideally sound crisp
and have a clear low bass component,
and male voices should neither sound too
weak nor should they billow out. If you are
happy with the sound then you are already
fi nished with the setup process. If not,
continue as described in points 4 and 5.
4. If male voices seem to billow out or the
low bass is too weak, you should turn
the crossover control slightly towards
minimum and then resume making your
adjustments as described in point 2 on-
wards.
5. If the bass sounds low but dirty and boom-
ing or the male voices sound too weak, you
should turn the crossover control slightly
towards maximum. Furthermore, you
should set the phase control (if present)
so that the upper bass sounds as pow-
erful as possible. Next, resume making
your adjustments as described in point 2
onwards.
Installation and connecting instructions
Warning!
Accident risk!
Do not mount the GTb 300 HP on the rear
shelf, rear seat or at any position which ist
open towards the front. Blaupunkt recom-
mends to install the system in the boot.
Recycling and disposal
Our products are made from materials
that can be disposed of in an environ-
mentally sensitive manner and are suit-
able for appropriate recycling. Products that
are to be scrapped must be collected sepa-
rately from household waste. To dispose of
the product, please use the available waste
return and collection systems.
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13.10.2006 14:03:49 Uhr