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I think that knowing frequencies and hearing frequencies still leaves one a long way from being able to tweak a string to match that frequency. Question for pi

I think that knowing frequencies and hearing frequencies still leaves one a long way from being able to tweak a string to match that frequency. Question for piano tuners: Does tuning the piano require multiple iterations? When re-tuning my 12-string to or from an open (where some or all of the strings are tuned to a specific chord) I sometimes have to go back and tweak each string a couple times. I think this is due to the change in stress on the top and neck of the guitar.

yarosv 8y ago
It does. When I tune (warning - I am novice) I tune middle octaves, then go up and down the scale with octave intervals. And then check the whole instruments tuning notes that sound off. String itself stretches and loses the pitch a little sometimes, especially if it was out of tune by quarter tone. But more importantly string peg that holds the string is just screwed into the hardwood board. So when you tune it, you still have some room for it to settle. Even slight press with tuning hammer on the peg can result in big difference in tune. Especially on high notes.