No-threes subgroup temperaments: Difference between revisions

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=== Frostburn ===
=== Frostburn ===
{{See also| Magic family #Quadrimage }}
{{See also| Magic family #Quadrimage | Subgroup temperaments #Baldy }}
{{See also| Subgroup temperaments #Baldy }}


[[Subgroup]]: 2.5.7
[[Subgroup]]: 2.5.7
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{{Main| Bastille }}
{{Main| Bastille }}


Described as the 2.5.7 subgroup 1407 & 1789 temperament, and named after an eponymous historical event which took place on July 14, 1789 (14/07/1789). Extensions discussed elsewhere include [[The Jacobins#Double bastille|double bastille]].
Described as the 2.5.7 subgroup 1407 & 1789 temperament, and named after an [[wikipedia:Storming of the Bastille|eponymous historical event]] which took place on July 14, 1789 (14/07/1789). Extensions discussed elsewhere include [[The Jacobins#Double bastille|double bastille]].


Subgroup: 2.5.7
Subgroup: 2.5.7
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[[Tp tuning #T2 tuning|RMS error]]: 0.5886 cents
[[Tp tuning #T2 tuning|RMS error]]: 0.5886 cents


=== Pakkanen (rank 3) ===
=== Pakkanen ===
[[Subgroup]]: 2.5.7.11
[[Subgroup]]: 2.5.7.11


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{{Optimal ET sequence|legend=1| 6, 16, 22, 28, 29, 35, 41, 57, 63, 98c }}
{{Optimal ET sequence|legend=1| 6, 16, 22, 28, 29, 35, 41, 57, 63, 98c }}
[[Badness]] (Sintel): 0.573
=== No-threes naiad ===
{{See also| Wizardharry clan #Naiad | Werckismic temperaments #Seminaiad }}
This temperament can be described as the 21 & 29 & 37 temperament in no-threes subgroups. It expands [[Subgroup temperaments #Tridec|tridec]] and [[Subgroup temperaments #Naiadec|naiadec]].
[[Subgroup]]: 2.5.7.11
[[Comma list]]: 5021863/5000000
{{Mapping|legend=2| 1 0 2 0 | 0 1 1 1 | 0 0 -4 3 }}
: mapping generators: ~2, ~5, ~100/77
[[Optimal tuning]]s:
* [[WE]]: ~2 = 1200.080¢, ~5 = 2786.820¢, ~100/77 = 454.618¢
* [[CWE]]: ~2 = 1200.000¢, ~5 = 2786.740¢, ~100/77 = 454.590¢
{{Optimal ET sequence|legend=1| 16, 21, 29, 37, 50, 58, 66, 87, 103, 124 }}
[[Badness]] (Sintel): 1.862
==== 2.5.7.11.13 subgroup ====
Subgroup: 2.5.7.11.13
Comma list: 847/845, 1001/1000
Sval mapping: {{Mapping| 1 0 2 0 1 | 0 1 1 1 1 | 0 0 -4 3 1 }}
Optimal tunings:
* WE: ~2 = 1200.034¢, ~5 = 2786.678¢, ~13/10 = 454.569¢
* CWE: ~2 = 1200.000¢, ~5 = 2786.646¢, ~13/10 = 454.557¢
{{Optimal ET sequence|legend=0| 16, 21, 29, 37, 50, 58, 66, 87, 103, 124 }}
Badness (Sintel): 0.179
==== 2.5.7.11.13.17 subgroup ====
Subgroup: 2.5.7.11.13.17
Comma list: 170/169, 221/220, 847/845
Sval mapping: {{Mapping| 1 0 2 0 1 1 | 0 1 1 1 1 1 | 0 0 -4 3 1 2 }}
Optimal tunings:
* WE: ~2 = 1200.407¢, ~5 = 2787.484¢, ~13/10 = 455.036¢
* CWE: ~2 = 1200.000¢, ~5 = 2787.107¢, ~13/10 = 454.906¢
{{Optimal ET sequence|legend=0| 16, 21, 29g, 37, 50, 58, 66g, 87g }}
Badness (Sintel): 0.438


== Higher 2.5 temperaments ==
== Higher 2.5 temperaments ==