12 WT (Marpourg)

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

About this tuning

12-tone well temperament Marpourg (1756). The seven fifthsPitches 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 between F and F♯ are each narrowed by 1/4 quintal (Syntonic) commaA comma is a small difference in pitch between the same interval in different tuning systems.Visit the link to learn more, as in quarter comma meantone. The remaining five fifths are each tuned larger than 2:3 by 1/5 of the amount needed to produce a "circle" of fifths (3/4 quintal comma less a schisma).

Learning more

• Klaus Lang: Auf Wohlklangswellen durch der Töne Meer‍