686/675: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Name = sengic comma, senga comma
| Name = sengic comma, senga
| Color name = z<sup>3</sup>gg3, Trizo-agugu comma
| Color name = z<sup>3</sup>gg3, Trizo-agugu comma
| Comma = yes
| Comma = yes
}}
}}


The interval of '''686/675''', the '''senga comma''' or '''sengic comma''' is a [[7-limit]] [[small comma]]. It pops up as the difference between a stack of three [[7/6]]s and a stack of two [[5/4]]s. It is tempered out in temperaments of the [[sengic family]].
The interval of '''686/675''', the '''senga''' or '''sengic comma''' is a [[small comma|small]] [[7-limit]] [[comma]]. It pops up as the difference between a stack of three [[7/6]]'s and a stack of two [[5/4]]'s.  
 
== Temperaments ==
Tempering out this comma in the 7-limit leads to the rank-3 [[sengic]] temperament. See [[sengic family]] for the rank-3 temperament family where it is tempered out.
 
Rank-2 temperaments tempering out this comma include [[sensi]], [[negri]] and [[liese]].
 
Tempering out this comma in the 3/2.5/4.7/4 fractional subgroup gives [[ambulatory]] temperament.
 
== Etymology ==
The name ''senga'' was given by [[Gene Ward Smith]] in 2005. It is a contraction of ''[[sensi]]'' and ''gawel'', although ''gawel'' was later renamed to ''[[liese]]''<ref>[https://yahootuninggroupsultimatebackup.github.io/tuning-math/topicId_12900.html Yahoo! Tuning Group | ''Seven limit comma names from pairs of temperament names'']</ref>.  
 
== Notes ==


[[Category:Sengic]]
[[Category:Sengic]]
[[Category:Commas named by combining multiple temperament names]]
<references />