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VA 275
Note:
The amplifi er can add the right and left signal informa-
tion only if the right as well as the left RCA connection
were carried out.
Caution:
In a bridge circuit, the amplifi er load must be 4 ohm
or higher. A lower load leads to an overheating or
switch-off of the amplifi er and can cause permanent
damages.
Adjusting the type and range of the frequency
crossovers
With the VA 275, the type of frequency crossover (i.e.
"Low Pass" or "HI PASS") and the desired entry frequen-
cy can be adjusted. For example, if a pair of subwoofers
is to be connected, the LOW PASS settings shown are
required (Fig. 3a). The entry frequency is dependent
upon the frequency range of the loudspeakers (see
recommended frequency range of the loudspeakers).
HI PASS (HP)
At a setting of 250 Hz, the amplifi er has a frequency
range of 250 Hz to 35.000 Hz.
LOW PASS (LP) 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 150 Hz, the amplifi er has a frequency
range of 10 Hz to 150 Hz.
BASS BOOST
The BASS BOOST control is used to adjust the bass
response of the amplifi er.
The adjustment range is from 0 dB to +12 dB.
Power-on indicator (POWER / PROTECT)
Green LED:
Output stage on, regular operating status.
Red LED:
Output stage is electronically switched off due to an
error.
Recycling and disposal
Please use the return and collection systems
available to dispose of the product.
Subject to changes.
FRANÇAIS
Garantie
Notre garantie fabricant s'étend à tous les produits
achetés à l'intérieur de l'Union européenne. Vous
pouvez consulter les conditions de garantie sous
www.blaupunkt.de ou les demander directement aup-
rès de :
Blaupunkt GmbH
Holine
Robert-Bosch-Str. 200
D-31139 Hildesheim
Garantie pour les USA
Prenez soin de lire ce mode d’emploi avant d’utiliser
l’appareil pour la première fois.
Notre garantie constructeur s'étend à tous les pro-
duits achetés à l'intérieur de Etats Unis d'Amérique.
Vous pouvez consulter les conditions de garantie sous
www.blaupunktusa.com ou les demander directement
auprès de :
Blaupunkt USA
2800 South 25th Av.
Broadview, IL 60155
PH: 800-950-2528
FX: 708-865-5296
EM: blau.tech.support@us.bosch.com
Recommandation :
Les performances d'un amplifi cateur ne seront jamais
meilleures que son installation ne le permet. Une instal-
lation correcte augmente les performances d'ensemble
de votre système audio. Vous devriez confi er le montage
de l'amplifi cateur VA à un spécialiste. Si vous souhaitez
cependant effectuer vous-même ce travail, lisez soigneu-
sement la présente Notice de montage et accordez-vous
suffi samment de temps pour le montage.
Permettez-nous enfi n de vous dire quelques mots sur la
protection en matière de santé :
N'oubliez pas que lorsque vous écoutez de la musique
dans votre véhicule, un niveau de pression sonore perma-
nent supérieure à 100 dB peut entraîner des dommages
irréversibles au niveau de l'ouïe, voire une perte comp-
lète de celle-ci. Les systèmes haute puissance modernes
et les confi gurations établies avec des haut-parleurs de
haute qualité permettent d'atteindre des niveaux de
pression sonore supérieurs à 130 dB.
VA_275_0108.indd 8VA_275_0108.indd 8 25.01.2008 11:00:19 Uhr25.01.2008 11:00:19 Uhr
8


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