Memorex MMP8568-ACM User Guide - Page 5
Decibel, Level, Example, The Following Noises Can Be Dangerous Under Constant Exposure
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Decibel Level 30 40 50 60 70 80 Example Quiet library, soft whispers Living room, refrigerator, bedroom away from traffic Light traffic, normal conversation, quiet office Air conditioner at 20 feet, sewing machine Vacuum cleaner, hair dryer, noisy restaurant 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 engine 180 Rocket launching pad Information courtesy of the Deafness Research Foundation. ELECTR N TRIES S A We Want You LISTENING For A Lifetime NIC O IND U EIA EST. 1924 S SO C I A TIO 5
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Decibel
Level
Example
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:
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 engine
180
Rocket launching pad
Information courtesy of the Deafness Research Foundation.
5
A
S
S
O
C
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A
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EST. 1924
E
L
E
C
T
R
O
N
I
C
I
N
D
U
S
T
R
I
E
S
EIA
We
LISTENING
For A Lifetime
Want You