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Please consider that unauthorized modifications on the speaker-system are forbidden due to safety reasons!
If this device will be operated in any way different to the one described in this manual, the product may suffer
damages and the guarantee becomes void. Furthermore, any other operation may lead to dangers like short-
circuit, burns, electric shock, hearing loss etc.
LEGAL INSTRUCTIONS
Operating an amplification system can produce extremely high noise levels that may cause a permanent
hearing loss. The legal instructions for using an amplification system vary from country to country. The user
must always inform himself on the legal instructions valid in his country and apply them to his situation.
Always monitor the sound pressure level when operating an amplification system in discotheques, concerts
etc. Never exceed the permissible noise level exposures as specified by your authorities. The monitoring of
the noise levels must be documented in an appropriate way.
In Germany, the follwing instructions are binding:
Strafgesetzbuch § 223 ff:
http://bundesrecht.juris.de/bundesrecht/stgb
TA Lärm:
http://www.umweltdaten.de/laermprobleme/talaerm.pdf
DIN 15905-5:
www.din.de
Arbeitsstättenverordnung § 15
http://www.lfas.bayern.de/recht/arbstaettv/arbstaettv.htm
Berufsgenossenschaftliche Vorschrift BGV B3:
http://www.pr-o.info
VDI-Richtlinie: VDI 2058 Blatt 2:
www.vdi.de
Hearing damage caused by high noise levels can be treated as physical injury and persecuted by law.
Please note that the organizer is responsible for keeping to a specified noise level. If this noise level will be
exceeded, the event may be cancelled immediately.
If the organiser does not fulfill his safety duties, he is reliable by civil law for any damages occured, e.g.:
Pay the treatment costs of the damaged person.
Pay a smart money to the damaged person.
Economic damage caused can be demanded from the operator of the amplification system.
If hired persons work with amplification systems: the noise levels of music events are almost always too high.
This is why the entrepreneur has to set up warning signs and provide hearing protectors. The staff has to
use these.
Please note:
OMNITRONIC cannot be made liable for damages caused by incorrect installations and
excessive noise levels!
Information on hearing loss
More and more young people suffer from hearing loss of 25 dezibel or more, mainly caused by loud music
from protable cassette recorders and CD-players or discotheques.
Everybody operating amplification systems should know to what sound pressure levels he exposes his or the
audience's hearing. As an average levels between 75 and 105 dB(A) in the discotheque or 95 and 115 dB(A)
at a rock concert are reached. Individual peaks can exceed the pain level at 130 dB(A). Such levels are
typical for motor chainsaws or jack hammers.
Overview on the different noise levels
10 dB
Heartbeat
20 - 30 dB Whisper
40 dB
Average home
50 dB
Light traffic
60 dB
Normal conversation
70 dB
Vacuum cleaner
80 dB
Heavy traffic or telephone ringing
90 dB
Pneumatic drill
