How to Tune Pianos

The Hobby, Skill, and Career of Piano Tuning

By Mark Cerisano

They said it couldn’t be done!

Yet, I routinely tune an accurate pitch raise in one pass, thanks to the precision, accuracy, and self-correcting feature of the Bisecting Beat Speed Temperament Sequence and Stretch Procedure.

How Is That Possible?

It’s simple.

What do we know about pitch raises?

We know that during a pitch raise, strings that have already been tuned will drop in pitch as the other strings are brought up to pitch.

That’s because the rise in pitch increases the string’s tension, which causes the soundboard to drop, thereby reducing the tension on all the other strings.

Right! That’s Why It’s Pointless to Tune a String With Any Accuracy During a Pitch Raise! We Have to Do a Rough Pass First, Right?

No! We do not have to do a rough pass if we have an accurate procedure that corrects pitches before we need them to tune other strings!

Let me explain: Imagine we tune A4 and then we accurately tune A3 so that A3-A4 is a clean, beatless octave.

What do we know?

We know that as we raise the tension on all the other strings, A3 and A4 will drop in pitch.

But what we don’t know is that, sometimes, A3 and A4 drop in pitch by the exact same amount?

This means:
1) There’s a possibility that A3-A4 will still be pure after the pitch raise, and
2) By tuning with accuracy, we may not be wasting our time, and
3) If we can find and correct the drifters before they are needed to tune other notes, we reduce the error caused by the pitch raise.

That’s how this procedure works.

Because this One Pass Pitch Raise Procedure uses a highly accurate method to set pure intervals and then confirms those pure intervals are still pure even if the individual notes drop in pitch, and corrects pitches before they are needed to tune other notes, we can get the piano to be in tune by preserving the interval sizes as pure, as we work our way through the piano.

In this course, you will learn:

  • What is crown and downbearing and how do they affect pitches during a pitch drop or pitch raise
  • Why the pitches drop during a pitch raise and rise during a pitch drop
  • How to tune pure intervals and keep them pure
  • Why we have to sometimes lower the pitch of a string after doing a pitch raise. (Don’t the pitches drop during a pitch raise? Hint: Yes. They do!)
  • How to set the first pitch, A4, so that is is at 440Hz when we are done.

Cost and How to Access this Course

This course would be valuable all on its own, but to make purchasing courses easier for you, I have decided not to just sell you access to this one course, but if you purchase this course now, I will give you access to ALL MY COURSES! That’s right! By purchasing this one course, you get access to all my courses:
– The Go APE Method
– Basic Theory
– Double String Unisons
etc.

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