Swiss tetrad
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The swiss tetrad is a just 7-prime-limit, 9-odd-limit chord which is an ASS, or anomalous saturated suspension. In close position, it is 1-7/6-3/2-7/4, with steps 7/6-9/7-7/6-8/7. Tempered versions of it have been called "subminor seventh chords" or "swiss sixth chords", so "swiss tetrad" splits the difference.
Ratio | 1/1 | 7/6 | 3/2 | 7/4 |
---|---|---|---|---|
Cents | 0.00 | 266.87 | 701.96 | 968.83 |
Sound [info] |