This is "Preset 9 — 53-ET Bosanquet" in version 1.0 of the official Lumatone manual, and "Preset 9 — 53-EDO Bosanquet" in version 1.21. Cam Taylor has created a tour of intervals for this layout, in A meander around 53-equal on the Lumatone (2025).
2
11
6
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33
42
1
10
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28
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46
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11
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9
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45
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10
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11
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11
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9
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9
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9
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33
42
Hanson
Since 53edo is a schismatic tuning, the best approximation to 5/4 is the diminished fourth. The Hanson mapping makes playing familiar 5-limit chords easier, but the 4L 3s mapping does not quite span the full gamut.
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1
12
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34
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0
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12
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0
11
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19
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0
11
22
3
14
The expanded 4L 7s mapping does cover the entire gamut, but puts octaves all over the place.
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14
9
17
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33
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4
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7
7
15
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2
10
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26
34
2
10
18
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34
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13
21
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0
5
13
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29
37
45
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8
16
24
32
40
48
3
11
19
27
0
8
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24
32
40
48
3
11
19
27
35
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51
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14
22
30
38
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11
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9
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9
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10
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0
8
16
2
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8
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8
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9
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7
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50
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13
0
8
Semaja
The Semaja mapping covers all the notes with no repeats and slightly greater range than the diatonic one, but 5-limit chords require a diagonal hand position and wrap around at the top.
5
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10
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10
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10
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10
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8
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Hemikleismic + Semaja
Bryan Deister has demonstrated a mapping for 53edo in Waltz in 53edo (2026) that functions for hemikleismic (7L 1s scale with a 7:4 step ratio right and right-up with the small step stretched) and semaja (rotated 5L 1s with a 10:3 step ratio down-right and down); a 5L 8s (4/1-equivalent) scale with a 10:7 step ratio is also available moving right and down-right. The range is a bit over 4⅓ octaves, with no missed notes and just one repeated note in each octave, but the upper left and lower right corners have many additional non-contiguous notes, and the octaves are not in consistent places; on the other hand, classic thirds both minor (two steps right) and major (one step right plus one step down-right) are in very easy reach as long as they do not pass through a vertical wraparound (it may be necessary to adjust note 0 position to avoid this for a particular performance, such as in the linked video which has note 0 where note 3 is here).
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2
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1
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0
7
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0
7
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7
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1
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6
2
9
Buzzard
For easy access to single step movements and both the third and seventh harmonics, the buzzard mapping is quite effective.
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9
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0
10
20
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17
1
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41
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45
2
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3
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0
10
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37
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0
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4
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1
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0
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7
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11
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3
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0
10
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37
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4
14
24
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44
1
11
21
31
5
15
25
35
45
2
12
22
36
46
3
13
23
4
14
Amity
The Lumatone mapping for amity mapping also puts 5-limit chords within very easy reach and provides a relatively even heptatonic scale.
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2
1
9
17
25
33
0
8
16
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32
40
48
3
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15
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2
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34
6
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1
9
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4
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0
8
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3
11
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35
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2
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9
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4
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37
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2
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1
9
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4
5
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0
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3
36
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7
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2
10
6
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38
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1
9
37
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0
8
16
7
15
See also
Due to limitations of the Lumatone EDO mapping template, some Lumatone mappings for 53edo (currently for Orwell and semiquartal layout families) had to be moved to another page.
