66th-octave temperaments

Fractional-octave temperaments

← 68th-octave • 69th-octave • 70th-octave →

66edo might not be immediately recognizable for fractional-octave potential, but its step is in direct proximity to 96/95.

Dysprosium (add-19)

Dysprosium is named after the 66th chemical element. Conceptualized as an add-19 subgroup temperament.

Subgroup: 2.3.5.7.11.19

Comma list: 9801/9800, 10241/10240, 250047/250000, 2955004695936/2954085800435

Sval mapping: [⟨66 3 11 104 208 321], ⟨0 5 7 4 1 -2]]

mapping generators: ~96/95 = 1\66, ~9625/7776 = 369.478

Optimal tuning (CTE): ~9625/7776 = 369.478