>...It was on a grand piano. The soundboard cracked. It had been plugged in >backwards for many years. I always check each installation. >Don Rose... Hi Don, List, Hopefully a little more clarification for me, please. Many years would indicate it had not been checked by you prior, so I trust you are saying that this was your first visit to this piano, or that after having discovered this particular situation, you have, since that point in time, established the policy to check each complete Dampp-Chaser installation. Also, how were you able to determine without reservation that the crack in the soundboard on this grand piano was caused by the complete Dampp-Chaser system being plugged in backwards, and not by other factors and/or circumstances that could have easily occurred during those many years? Keith McGavern Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA
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