Beginning technicians are often advised to initially set F3-A3 to 7 beats per second (bps). Mathematically F3-A3 = 6.9 bps in equal temperament so it’s a good guess.After using the skeleton or contiguous M3’s also known as Jack’s Stack, we can refine F3-A3 to be more what the piano needs, but 7 bps is a
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I often read questions on piano technician forums from technicians asking how to regulate a specific piano. For example, recently someone posted this.“I’m regulating a piano and the book says to regulate blow distance at 1.5 inches”or“I can’t find any regulation specs for this specific piano in any books” The writing of these books implies
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I want to share with you an exchange I had recently with someone on messenger. This tech posted some videos online and the unisons obviously needed some work. I tactfully offered to use a bandpass filter to help them see if their unisons needed any improvement, offering the possibility that they were fine. (They definitely
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