6561/6400: Difference between revisions
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'''6561/6400''', the '''double syntonic comma''', is equal to 2 [[81/80]]'s stacked or (81/80)<sup>2</sup>. | '''6561/6400''', the '''double syntonic comma''', is equal to 2 [[81/80]]'s stacked or (81/80)<sup>2</sup>. | ||
== Sagittal notation == | |||
In the [[Sagittal]] system, the downward version of this comma (possibly tempered) is represented by the sagittal {{sagittal | \\! }} and is called the '''25 small diesis''', or '''25S''' for short, because the simplest ratio it notates is 16:25, as for example in E{{sagittal | b }}:B{{sagittal | \\! }}. | |||
Revision as of 05:18, 9 October 2024
| Interval information |
[sound info]
6561/6400, the double syntonic comma, is equal to 2 81/80's stacked or (81/80)2.
Sagittal notation
In the Sagittal system, the downward version of this comma (possibly tempered) is represented by the sagittal and is called the 25 small diesis, or 25S for short, because the simplest ratio it notates is 16:25, as for example in E :B .