5
LEVEL
30
40
50
60
70
80
EXAMPLE
Quiet library, soft whispers
Air conditioner at 20ft, sewing machine
Vacuum cleaner, hair dryer, noisy restaurant
The following noises can be dangerous under constant exposure:
LEVEL
90
100
120
140
180
EXAMPLE
Garbage truck, chainsaw, pneumatics drill
Rock band concert in front of speakers
Gunshot blast, jet plane
Rocket launching pad
Used wisely, your new sound equipment will provide a lifetime of fun and enjoyment. Since
hearing damage from loud noise is often undetectable until it is too late. Steren recommend
you avoid prolonged exposure to excessive noise. This list of sound levels is included for your
protection:
