Hi, If you look at their graph they are claiming a range of 30 to 65% up and down over a period of 4 days. Pianos do tend to lag behind what is happening out side them--particularly the larger wooden structures. My "seat of the pants" studies show a variation of 4 cents at A4 for each 5% change in humidity, provided the instrument is all at the new humidity setting. If the Musicsorb does 30 to 65 and the piano doesn't lag behind then the usefulness would be very limited. I'd save my pennies towards a DC unit personally. At 01:54 PM 05/06/2004 -0700, you wrote: > In the May issue of the PTJ, (bottom of page 39), there's an ad for "Music >sorb", which is used for humidity control. Has anyone used this product? I >checked out the website and it looks like an interesting alternative to >"Dampp-chaser". It uses no heat or electricity, and supposedly works by >both absorbing and releasing moisture to keep the RH in the "safety zone". > The website is: http://musicsorb.com/ is "techpage", and the password is: >"Piano" > >Terry Peterson > Is your PC infected? Get a FREE online computer virus scan from McAfeeŽ >Security. ===== Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. 3004 Grant Rd, Regina, SK, S4S 5G7 Tuner for the Saskatchewan Centre of the Arts http://us.geocities.com/drpt1948/ __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/
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