These measurements sound more like it. Especially for those of us who set our unisons rock solid, ie use a thumper. Then remember that a small room that echoes can double that 100 db into 110 db. Andrew Anderson At 01:02 PM 10/28/2005, you wrote: >At 10:45 AM 10/28/2005 -0700, you wrote: >>I was surprised to learn that anyone believes that normal tuning >>would generate decibels anywhere close to ear-damaging levels. My >>understanding is that the "average" person can safely tolerate >>eight hours of continous 85 db. I'd guess the decibels normally >>generated by a piano tuning would be around 45 - 65 db, unless one >>is tuning the piano Jerry Lewis style :). >> >>I'm wondering what your basis would be for believing that tuning >>represents a threat to hearing (or does it simply seem more >>comfortable to you to wear earplug/filters?). Is it personal >>experience, or are you aware of scientific studies that confirm >>this possibility (I'm not aware of any, but that doesn't mean they >>don't exist)? >> >>Best, >> >>JO > > >You is WAY low, Jeff. I think normal conversation is in that range. > >Years ago (might be in archives) I posted my findings after carrying >a dB meter along with me for a day. > >As I recall, even students practicing were in the 90s. I was >regularly getting in the upper 90s whilst tuning. > >Inside of the organ case, depending on rank of course, I was/am >subjected to 90 - 100+dB. > >Chainsaw was 105dB... > >Massed high school band festival, 108dB. > >Threshold of pain 120dB. > >OSHA wants you to start limiting your exposure at 90dB. > >BTW, I took my readings on the "A" scale - fast response. > > > > >Conrad Hoffsommer - Keyboard Technician >Luther College, 700 College Dr., Decorah, Iowa 52101-1045 >1-(563)-387-1204 // Fax 1-(563)-387-1076 > >- Right now, I'm hoping to live until my age matches my golf score, >- Until then, I'll have to be content to have my IQ match my handicap. > >_______________________________________________ >caut list info: https://www.moypiano.com/resources/#archives >
This PTG archive page provided courtesy of Moy Piano Service, LLC