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, the manufacturer and CEA recommend you avoid prolonged exposure to excessive noise.
The following list of sound levels is included for your protection.
Decibel Level Examples:
30: Quite library, soft whispers
40: Living room, refrigerator, bedroom away from traffic
50: Light traffic, normal conversation, quite office
60: Air conditioner at 20 feet, sewing machine
70: Vacuum cleaner, hair dryer, noisy restaurant
80: Average city traffic, garbage disposals, alarm clock at two feet
THE FOLLOWING NOISES CAN BE DANGEROUS UNDER CONSTANT EXPOSURE:
90: Subway, motorcycle, truck traffic, lawn mower
100: Garbage truck, chain saw, pneumatic drill
120: Rock band concert in front of speakers, thunderclap
140: Gunshot blast, jet plane
180: Rocket launching pad
(Consumer Electronics Association [CEA]
www.CE.org)
2500 Wilson Boulevard
Arlington, VA 22201