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Idiomas disponibles
Idiomas disponibles
ENGLISH
SoUND
NoISE LEVEL (db)
Whisper
30
Quiet Office
50-60
Vacuum Cleaner, Hair
70
Dryer
Food Blender
85-90
Garbage Truck, Cement
100
Mixer
4
EFFECT
Very quiet
Comfortable hearing levels
are under 60 dB
Intrusive; interferes with
telephone conversations
85 dB is the level at which
hearing damage (8 hrs.) begins
No more than 15 minutes
of unprotected exposure
recommended for sounds
between 90-100 dB
SoUND
NoISE LEVEL (db)
Power Saw, Drill/
110
Jackhammer
Rock Concerts (varies)
110-140
*Chart information obtained from http://www.nidcd.nih.gov/health/education/teachers/common_sounds.asp
".... a typical person can safely listen to an iPod for 4.6 hours per day at 70% volume. "
"....knowing the levels one is listening to music at, and for how long is extremely important. "
From http://www.cbc.ca/health/story/2006/10/19/music-earphones.html
Get the most out of your equipment and enjoy great audio performance even at safe levels.
Our headphones will allow you to hear more details at lower volume levels than ever before.
ENGLISH
EFFECT
Regular exposure to sound over
100 dB of more than 1 minute
risks permanent hearing loss
Threshold of pain begins around
125dB
5
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