Cuthbert chords: Difference between revisions

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The '''cuthbert triad''' is an [[Dyadic chord|essentially tempered dyadic triad]] which consists of two [[13/11]] thirds making up a [[7/5]], which implies tempering by [[cuthbert]], the [[847/845]] comma. It is, in other words, the 847/845-tempered version of 1-13/11-7/5. The cuthbert triad can be extended to the [[garibert tetrad]], which is the {275/273, 847/845} garibert tempering of a tetrad with steps of size 13/11-13/11-13/11-[[6/5]], leading to a garibert tempering of 1-13/11-7/5-[[5/3]]. Equal temperaments with cuthbert triads include [[29edo]], [[33edo]], [[37edo]], [[41edo]], [[46edo]], [[50edo]], [[53edo]], [[58edo]], [[70edo]], [[87edo]], [[94edo]], [[99edo]], [[103edo]], [[111edo]], [[128edo]], [[140edo]], [[149edo]], [[177edo]], [[190edo]], 198, 205, 227, 264, 284 and 388. Equal temperaments with garibert tetrads include 41, 53, and 94; and it is a characteristic chord of [[13-limit]] [[Schismatic family#Garibaldi|garibaldi temperament]].
The '''cuthbert triad''' is an [[Dyadic chord|essentially tempered dyadic triad]] which consists of two [[13/11]] thirds making up a [[7/5]], which implies tempering by cuthbert, the [[847/845]] comma. It is, in other words, the 847/845-tempered version of  
[[Category:13-limit]]
* 1-13/11-7/5, with steps 13/11-13/11-7/5.  
[[Category:Chords]]
 
The cuthbert triad can be extended to the '''garibert tetrad''', which is the {275/273, 847/845} garibert tempering of a tetrad,
* 1-13/11-7/5-[[5/3]] with steps of size 13/11-13/11-13/11-[[6/5]].  
 
Equal temperaments with cuthbert triads include {{EDOs| 29, 33, 37, 41, 46, 50, 53, 58, 70, 87, 94, 99, 103, 111, 128, 140, 149, 177, 190, 198, 205, 227, 264, 284 and 388 }}. Equal temperaments with garibert tetrads include 41, 53, and 94; and it is a characteristic chord of [[13-limit]] [[garibaldi temperament]].
 
[[Category:13-odd-limit]]
[[Category:Essentially tempered chords]]
[[Category:Dyadic]]
[[Category:Triad]]
[[Category:Cuthbert]]
[[Category:Cuthbert]]
[[Category:Dyadic]]
[[Category:Garibaldi]]
[[Category:Garibaldi]]
[[Category:Garibert]]
[[Category:Garibert]]
[[Category:Gassorma]]
[[Category:Gassormic]]
[[Category:Triad]]

Revision as of 17:39, 30 December 2021

The cuthbert triad is an essentially tempered dyadic triad which consists of two 13/11 thirds making up a 7/5, which implies tempering by cuthbert, the 847/845 comma. It is, in other words, the 847/845-tempered version of

  • 1-13/11-7/5, with steps 13/11-13/11-7/5.

The cuthbert triad can be extended to the garibert tetrad, which is the {275/273, 847/845} garibert tempering of a tetrad,

  • 1-13/11-7/5-5/3 with steps of size 13/11-13/11-13/11-6/5.

Equal temperaments with cuthbert triads include 29, 33, 37, 41, 46, 50, 53, 58, 70, 87, 94, 99, 103, 111, 128, 140, 149, 177, 190, 198, 205, 227, 264, 284 and 388. Equal temperaments with garibert tetrads include 41, 53, and 94; and it is a characteristic chord of 13-limit garibaldi temperament.