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9. RCF S.P.A. strongly recommends this product is only installed by professional
qualied installers (or specialised rms) who can ensure a correct installation and
certify it according to the regulations in force.
The entire audio system must comply with the current standards and regulations
regarding electrical systems.
10. Mechanical and electrical factors need to be considered when installing a
professional audio system (in addition to those which are strictly acoustic, such
as sound pressure, angles of coverage, frequency response, etc.).
11. Hearing loss
Exposure to high sound levels can cause permanent hearing loss. The acoustic
pressure level that leads to hearing loss is different from person to person and
depends on the duration of exposure.
To prevent potentially dangerous exposure to high levels of acoustic pressure,
anyone who is exposed to these levels should use adequate protection devices.
When a transducer capable of producing high sound levels is being used, it is
necessary to wear ear plugs or protective earphones.
See the technical specications in the instruction manual for the maximum sound
pressure the loudspeaker is capable of producing.
12. To ensure a correct sound reproduction, loudspeaker phase is to be respected
(loudspeakers are connected respecting the amplier polarity). This is important
when loudspeakers are installed adjacent one another, for instance, in the same
room.
Make sure loudspeaker lines are not shorted before turning the amplier on.
13. To prevent inductive effects from causing hum, noise and a bad system
working, loudspeaker lines should not be laid together with other electric cables
(mains), microphone or line level signal cables connected to amplier inputs.
14. The loudspeaker cable shall have wires with a suitable section (twisted, if
possible, to reduce inductive effects due to surrounding electro-magnetic elds)
and a sufcient electrical insulation. Refer to local regulations, as there may be
additional requirements about cable characteristics.
15. Install this loudspeaker far from any heat source.
16. Do not use solvents, alcohol, benzene or other volatile substances for
cleaning the external parts of this product. Use a dry cloth.
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