At 05:02 PM 4/3/99 -0600, you wrote: >>Only have it installed if your piano needs it. >>Debbie Northey >>Downingtown, Pa > >How does one goes about determining when a piano needs one installed? > >Keith McGavern Use the cat test. In the winter, if you can pet the cat and stick him to the wall with the static buildup, it's a lock. In the summer, if the same cat's fur gets kind of green, and seems to be getting longer, bingo. Seriously though, if your humidity swings are broad enough that the piano's pitch drifts, say, more than ten cents high or low with the seasonal change, and the system is correctly installed and maintained, it can work wonders for tuning stability. If the humidity swings are extreme, or if the climate is typically overly damp, or overly dry (underly damp?), in general, the system can certainly extend the (realistic) service life of the piano. How's that? Ron
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