Hey all - figured this might come in handy for anyone shopping fans/etc and wanted to know what a certain decibel's volume really sounded like.... SOUND LEVEL decibels Environmental condition 140-130 Pain threshold 130-120 Pneumatic chipper (jackhammer) 120-110 Automobile horn (at one meter) 110-100 Jet aircraft overhead (low level flight) 110-90 Interior of subway train 90-80 Inside of bus, cab of a transport truck 80-70 Busy street traffic 70-60 Normal conversation 60-50 Office background 50-40 Living room background (suburban residence) 30-40 Library 30-20 Bedroom at night (suburban home) 20-10 Sound studio background noise 10-0 Threshold of hearing