
Quieter than a Crying Baby: the ECHO PB-250LN Blower
QUIETER THAN A CRYING BABY The ECHO PB-250LN Blower (FACT) MR. ALEXANDER GRAHAM BELL. THE "BEL" ON ITS OWN IS SELDOM-USED. WE MEASURE SOUND IN "DECIBELS", OR ONE TENTH OF A "BEL" NAMED AFTER SOUNDS SOUNDS STARTING AT 85dBs CAN CAUSE HEARING LOSS SOFT BREATHING: 10DBS WHISPER: 30dBs HUMAN SPEECH: 25-35dBs MODERATE RAINFALL: 50dBs DEPENDING ON THE POWER OF THE SOUND AND THE LENGTH OF EXPOSURE TO IT. THE PAIN THRESHOLD FOR HUMANS IS AROUND 120-130 DBS DANGEROUS DECIBELS DANGEROUS DECIBELS DANGEROUS DECIBELS SHUTTLE LAUNCH GUNFIRE 145-155dBs 165-170dBs BALLOON POPPED BY YOUR EAR 154dBs CALL OF A BLUE WHALE ROCK CONCERT 135-145dBs up to 188dBs NEIGHBORHOOD NOISES 150dBs 115dBs 110dBs 90dBs 80dBs 60dBs 65dBs 10dBs LEAVES RUSTLING DISHWASHER DRYER ЕСНО GAS BLOWER: PB-250LN VACUUM CLEANER LAWN MOWER GAS CHAINSAW ВАBY CRYING NEARBY JET PLANE http://www.leafblowernoise.com/Measuring_Sound.pdf brought to you by http://www.asha.org/public/hearing/Noisel IECHO http://www.sightandhearing.org/news/healthissuelarchive/hi_0802.asp http://www.gcaudio.com/resources/howtos/loudness.html Outdoor Power Equipment http://www.hearingaidknow.com/2007/03/07/how-loud-is-too-loud-decibel-levels-of-common-sounds/
Quieter than a Crying Baby: the ECHO PB-250LN Blower
Source
http://www.e...m/PB-760LNCategory
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