12 Meantone (two-sevenths quintal-comma)

For a general introduction to European historical tunings and these presets, please visit Introduction to European historical tunings and temperaments.

About this tuning

In the range from E♭ to G♯ each fifthPitches a fifth apart have a 2:3 frequency ratio (in just intonation) or a difference of 700 cents (in 12 tone equal temperament).Visit the link to learn more is narrowed by 2/7 of a quintal (Syntonic) commaA comma is a small difference in pitch between the same interval in different tuning systems.Visit the link to learn more (dividing the ratio 81/80 in seven proportionally and sonically equal parts), tempering both major and minor thirds as well as the perfect fifth.

Learning more

• Klaus Lang: Auf Wohlklangswellen durch der Töne Meer‍