What is a Partial Change?

For Tuners, Partial Changes

Overview of Partial Changes in ETD Tuning Partial changes are an inherent aspect of using any Electronic Tuning Device (ETD) for tuning a piano. These changes occur because different partials are utilized for tuning various sections of the piano: the bass, midrange, and treble. Selection of Partials in ETD Systems Each ETD tuning system employs…

What is a partial?

For Tuners, Partial Changes

What Is a Partial in Piano Tuning? A partial, in the context of piano tuning, refers to one of the individual frequency components that make up the sound produced by a single piano string. When a key is pressed, the string vibrates in several ways at once, not just at its fundamental frequency. These multiple…

The Evolution of Double Octave Beat (DOB)

FAC Tweaks, For Tuners

The Double Octave Beat (DOB) feature has undergone significant changes since its initial introduction. Originally, the DOB range was limited to +/- 2.0, which placed constraints on treble tuning flexibility for technicians. Early Limitations of DOB When DOB was first implemented, its range was set at +/- 2.0. With this configuration, the maximum DOB setting…