I Avery, About 200 pounds, I think. It isn't the tension that is the problem it is the instability of the piano after a pitch change. Ds are like rubber, push here and the whole lot responds. You will likely have to tune the piano two more times for it to become acceptably stable and then four or five times to bring it down to 440. That's what all the shouting is about. Next time don't get out of bed. Have a good weekend all. Newton
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