-----Original Message----- From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org] On Behalf Of Stephen Airy Sent: Saturday, August 10, 2002 1:10 AM To: Piano Tech list - PTG Subject: pull up to pitch or leave it there? When you're tuning an older piano, what are some things you consider when deciding whether or not to attempt to pull the piano up to concert pitch or to leave it where it is? (assuming the piano is no more than 50 cents (1/4 step) flat) < SNIP> Stephen, we are talking about a modern piano. Full plate with no structural issues. . I look for broken or previously replaced strings. Rust is certainly a factor, but even rusty strings can be pitch raised with success. Tighten all plate screws as possible, pull up a few strings in each section to test, explain that the possibility of string breakage exists, but you will take precautions to avoid breakage. Inform the client of possible cost of string replacement but emphasize the advantages of having the piano at pitch. The improvement of bass tone on lower notes is a good example. Lubricate at the V-bar and pressure bar carefully with protek (Very careful to avoid tuning pins---and NO silicon based lubes any where near the piano! Drop pitch on each string slightly before pulling up and go to it. I use the Defebaugh-Coleman anticipated drop method, but the actual technique would be best discussed on a separate thread. If the piano has previous string breakage or your test breaks another string it may be time to reevaluate. The needs of the client and their budget are to be considered also. The eighty year old lady playing a few hymns once a month has a different need than a young piano student in need of correct ear training. IMHO too many pianos are not pitch raised out of fear. Nobody likes replacing strings but it rarely happens with judgment and precaution. Antique's, birdcages, squares----Then I'm scared and run to Starbucks instead of pitch raising! Good luck Tom Driscoll
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