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The durability of the installation depends very much on the material used at the installation area (building
material) such as wood, concrete, gas concrete, brick etc. This is why the fixing material must be chosen to
suit the wall material. Always ask a specialist for the correct plug/screw combination indicating the maximum
load and the building material.
Choosing an Appropriate Amplifier
This speaker must only be connected with an appropriate amplifier. Observe the correct power matching.
The total load presented to the amplifier must not exceed the rated output of the amplifier. Before starting
with the installation, you must clarify how many speakers you would like to install in the room.
Electrical Connection
Cabling a PA system is an electric installation which must only be carried out by a qualified electrician!
Always insulate the connection cables which are not used. Pay attention to the correct power matching.
Overload will result in damage of the PA amplifier and of the speaker:
Step 1: If the PA system is turned on, turn it off before making any connection.
Step 2: Connect the speaker to the 100 V output of the PA amplifier (black clamp = negative pole, red
clamp = positive).
Step 3: When connecting several speakers, make sure that all speakers have the same polarity and that
the amplifier is not overloaded.
Notes Regarding Operation
During operation, please make sure the speaker always sounds well. When distortions can be heard, either
the amplifier or the speaker is overloaded. Overloads can quickly lead to amplifier or speaker damage. In
order to avoid damage, please reduce the volume immediately when distortions can be heard. When
speakers are destroyed by overload, the guarantee becomes void. Always check the sound pressure level
with a meter in order to keep to the threshold.
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CLEANING AND MAINTENANCE
The operator has to make sure that safety-relating and machine-technical installations are inspected by an
expert after every four years in the course of an acceptance test. The operator has to make sure that safety-
relating and machine-technical installations are inspected by a skilled person once a year.
The following points have to be considered during the inspection:
1) All screws used for installing the speaker systems or parts of the speaker system have to be tightly
connected and must not be corroded.
2) There must not be any deformations on housings, fixations and installation spots (ceiling, suspension,
trussing).
3) The electric power supply cables must not show any damages, material fatigue (e.g. porous cables) or
sediments. Further instructions depending on the installation spot and usage have to be adhered by a
skilled installer and any safety problems have to be removed.
We recommend a frequent cleaning of the speaker system. Please use a soft lint-free and moistened cloth.
Never use alcohol or solvents!
There are no serviceable parts inside the speaker system. Maintenance and service operations are only to
be carried out by authorized dealers.
DANGER TO LIFE!
High voltage at terminals. Installation by skilled personnel only.
Turn off PA system before connecting.
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