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4

BUGERA 412H-BK User Manual

IMPORTANT NOTICE

Failure to observe the following points 
may result in damage to the amplifier or 
loudspeakers. Damage caused in such a 

way are not covered by warranty.

• 

Observe the correct impedance for your loudspeaker 
and use the appropriate output socket.

• 

Always use loudspeaker cables for connection 
between the amplifier and the loudspeaker. Never 
use other types of cable such as instrument cable and 
microphone cable.

Before you get started

Your product was carefully packed at the factory 
to ensure safe transport. Nevertheless, if the box 
is damaged inspect the unit immediately for signs 
of damage.

• 

If the unit is damaged please do NOT return it to us, 
but notify your dealer and the shipping company 
immediately, otherwise, claims for damage or 
replacement may not be granted.

• 

Always use the original box to prevent damage 
during storage or transport.

• 

Make sure that children cannot play unsupervised 
with the unit or its packaging.

• 

Please ensure proper disposal of all 
packing materials.

• 

Ensure adequate air supply and to avoid overheating 
do not place the unit near radiators etc.

• 

Please make sure that all devices are properly 
grounded. For your own safety, never remove or 
disable the ground conductors from the devices 
or on the power cords. The unit must always be 
connected to the mains outlet with a protective 
grounding connection. 

Important notes concerning 

installation
• 

The sound quality may diminish within the range of 
powerful broadcasting stations and high-frequency 
sources. Increase the distance between the 
transmitter and the device and use shielded cables 
for all connections.

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