1 think you nay not of thougt about is heering pratecton when on you moto-bike hopefully you havent' loss to much highs but could expplain favertism to base frequinsies th you remark on . . . . . dont' be imbarrased because most to all men lose highs as they age get older = = = = ear muffs on moto-bike can may redoose dammaig
Decibel (Loudness) Comparison Chart
Here are some interesting numbers, collected from a variety
of sources, that help one to understand the volume levels
of various sources and how they can affect our hearing.
Environmental
Noise
Weakest sound heard
0dB
Whisper Quiet Library
30dB
Normal conversation (3-5')
60-70dB
Telephone dial tone
80dB
City Traffic (inside car)
85dB
Train whistle at 500',
Truck Traffic
90dB
Subway train at 200'
95dB
Level
at which sustained exposure may result in hearing loss
90
- 95dB
Power mower at 3'
107dB
Snowmobile, Motorcycle
100dB
Power saw at 3'
110dB
Sandblasting, Loud Rock
Concert
115dB
Pain
begins
125dB
Pneumatic riveter at 4'
125dB
Even short term exposure can cause permanent damage -
Loudest recommended exposure WITH hearing
protection
140dB
Jet engine at 100', Gun
Blast
140dB
Death of hearing tissue
180dB
Loudest sound possible
194dB