- 26 Mar 08, 03:01#37308
Theoretical limit for undistorted sound at
1 atmosphere environmental pressure 101,325 Pa 194.0937 dB
Krakatoa explosion at 100 miles (160 km) in air 20,000 Pa 180 dB
Simple open-ended thermoacoustic device 12,000 Pa 176 dB
M1 Garand being fired at 1 m 5,000 Pa 168 dB
Jet engine at 30 m 630 Pa 150 dB
Rifle being fired at 1 m 200 Pa 140 dB
Threshold of pain 100 Pa 130 dB
Hearing damage (due to short-term exposure) 20 Pa approx. 120 dB
Jet at 100 m 6 – 200 Pa 110 – 140 dB
Jack hammer at 1 m 2 Pa approx. 100 dB
Hearing damage (due to long-term exposure) 6×10−1 Pa approx. 85 dB
Major road at 10 m 2×10−1 – 6×10−1 Pa 80 – 90 dB
Passenger car at 10 m 2×10−2 – 2×10−1 Pa 60 – 80 dB
TV (set at home level) at 1 m 2×10−2 Pa approx. 60 dB
Normal talking at 1 m 2×10−3 – 2×10−2 Pa 40 – 60 dB
Very calm room 2×10−4 – 6×10−4 Pa 20 – 30 dB
Leaves rustling, calm breathing 6×10−5 Pa 10 dB
Auditory threshold at 2 kHz 2×10−5 Pa 0 dB
Le coeur a ses raisons que la raison ne connaît point. 
al4x wrote:Playing with fire with your big deer ears, eh?darwin_dali wrote:95, pfft, my earphones give you 113!
Well, did you turn up the volume of your cd player to 95 decibel for 'comfortably numb'???
Theoretical limit for undistorted sound at
1 atmosphere environmental pressure 101,325 Pa 194.0937 dB
Krakatoa explosion at 100 miles (160 km) in air 20,000 Pa 180 dB
Simple open-ended thermoacoustic device 12,000 Pa 176 dB
M1 Garand being fired at 1 m 5,000 Pa 168 dB
Jet engine at 30 m 630 Pa 150 dB
Rifle being fired at 1 m 200 Pa 140 dB
Threshold of pain 100 Pa 130 dB
Hearing damage (due to short-term exposure) 20 Pa approx. 120 dB
Jet at 100 m 6 – 200 Pa 110 – 140 dB
Jack hammer at 1 m 2 Pa approx. 100 dB
Hearing damage (due to long-term exposure) 6×10−1 Pa approx. 85 dB
Major road at 10 m 2×10−1 – 6×10−1 Pa 80 – 90 dB
Passenger car at 10 m 2×10−2 – 2×10−1 Pa 60 – 80 dB
TV (set at home level) at 1 m 2×10−2 Pa approx. 60 dB
Normal talking at 1 m 2×10−3 – 2×10−2 Pa 40 – 60 dB
Very calm room 2×10−4 – 6×10−4 Pa 20 – 30 dB
Leaves rustling, calm breathing 6×10−5 Pa 10 dB
Auditory threshold at 2 kHz 2×10−5 Pa 0 dB
Le coeur a ses raisons que la raison ne connaît point. 

