Monster Turbine Pro Manual And Warranty page 6

SoUND
Whisper
Quiet Office
Vacuum Cleaner, Hair Dryer
Food Blender
Garbage Truck, Cement
Mixer
Power Saw, Drill/
Jackhammer
Rock Concerts (varies)
*Chart information obtained from http://www.nidcd.nih.gov/health/education/teachers/common_sounds.asp
5
NoISE LEVEL
(dB)
30
50-60
70
85-90
100
110
110-140
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
Regular exposure to sound
over 100 dB of more than
1 minute risks permanent
hearing loss
Threshold of pain begins
around 125dB