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The ''swiss tetrad'' is a just 7-prime-limit, 9-odd-limit chord which is an ASS, or [[Dyadic chord#Anomalous Saturated Suspensions|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. | The '''swiss tetrad''' is a just 7-prime-limit, 9-odd-limit chord which is an ASS, or [[Dyadic chord#Anomalous Saturated Suspensions|anomalous saturated suspension]]. In close position, it is [[unison|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. | ||
{| class="wikitable center-all" style="column-width:10em" | |||
! Ratio | |||
! [[Unison|1/1]] || [[7/6]] || [[3/2]] || [[7/4]] | |||
|- | |||
! [[Cent]]s | |||
| 0.00 || 266.87 || 701.96 ||968.83 | |||
|- | |||
! Sound <br> <small>[[:File:Swiss tetrad.mp3|[info]]]</small> | |||
| colspan="4" | [[File:Swiss tetrad.mp3]] | |||
|} | |||
[[Category:Chords]] | [[Category:Chords]] | ||
[[Category:Dyadic]] | [[Category:Dyadic]] | ||
[[Category:Ji]] | [[Category:Ji]] | ||
[[Category:Tetrad]] | [[Category:Tetrad]] | ||
Revision as of 16:37, 13 June 2020
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] |
||||