256:320:375:450
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| Harmonics | 256:320:375:450 |
| Intervals from root | 1/1 – 5/4 – 375/256 – 225/128 |
| Cents from root | 0¢ 386¢ 661¢ 977¢ |
| Step intervals | 5/4, 75/64, 6/5 |
| Step cents | 386¢, 275¢, 316¢ |
| Prime limit | 5 |
| Genus | 32 ⋅ 53 (1125) |
| Intervallic odd limit | 375 |
| Otonal odd limit | 375 |
| Utonal odd limit | 1125 |
256:320:375:450 is a chord sometimes called the Swiss sixth.
If 128/125 is tempered out, this chord is tuned identically to both 128:160:192:225 and 20:25:30:36, giving it a function similar to a dominant seventh chord.
See also
- Dreading the Augmented Sixth in The Boston Musical Intelligencer
- Augmented Sixth Chords by Dr. Justin Henry Rubin