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<blockquote data-quote="Wonderbread" data-source="post: 1673095" data-attributes="member: 541455"><p>dB(SPL) Source (with distance)</p><p></p><p>194 Theoretical limit for a sound wave at 1 atmosphere environmental pressure</p><p></p><p>180 Rocket engine at 30 m;</p><p></p><p>Krakatoa explosion at 100 miles in air(160 km)[1]</p><p></p><p>150 Jet engine at 30 m</p><p></p><p>140 Rifle being fired at 1 m</p><p></p><p>130 Threshold of pain; train horn at 10 m</p><p></p><p>120 Rock concert; jet aircraft taking off at 100 m</p><p></p><p>110 Accelerating motorcycle at 5 m; chainsaw at 1 m</p><p></p><p>100 Jackhammer at 2 m; inside disco</p><p></p><p>90 Loud factory, heavy truck at 1 m</p><p></p><p>80 Vacuum cleaner at 1 m, curbside of busy street</p><p></p><p>70 Busy traffic at 5 m</p><p></p><p>60 Office or restaurant inside</p><p></p><p>50 Quiet restaurant inside</p><p></p><p>40 Residential area at night</p><p></p><p>30 Theatre, no talking</p><p></p><p>10 Human breathing at 3 m</p><p></p><p>0 Threshold of human hearing (with healthy ears)</p><p></p><p>Wiki-info.</p></blockquote><p></p>
[QUOTE="Wonderbread, post: 1673095, member: 541455"] dB(SPL) Source (with distance) 194 Theoretical limit for a sound wave at 1 atmosphere environmental pressure 180 Rocket engine at 30 m; Krakatoa explosion at 100 miles in air(160 km)[1] 150 Jet engine at 30 m 140 Rifle being fired at 1 m 130 Threshold of pain; train horn at 10 m 120 Rock concert; jet aircraft taking off at 100 m 110 Accelerating motorcycle at 5 m; chainsaw at 1 m 100 Jackhammer at 2 m; inside disco 90 Loud factory, heavy truck at 1 m 80 Vacuum cleaner at 1 m, curbside of busy street 70 Busy traffic at 5 m 60 Office or restaurant inside 50 Quiet restaurant inside 40 Residential area at night 30 Theatre, no talking 10 Human breathing at 3 m 0 Threshold of human hearing (with healthy ears) Wiki-info. [/QUOTE]
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