Memorex MMP3780 manual Eia S

Decibel	Example
Level
30	Quiet library, soft whispers
40	Living room, refrigerator, bedroom away from traffic
50	Light traffic, normal conversation, quiet 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:

90Subway, 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 engine

180 Rocket launching pad

Information courtesy of the Deafness Research Foundation.

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