Ptolemy's Diatonic Malakon

SCL Detail

Degrees: 7  •  Period: 1200.00 cents  •  Source: Murray

Diatonic - Claudius Ptolemy
File comments
Ancient Greek Tuning System Author: Claudius Ptolemy Period: Ancient Greece (c. 100-170 CE) Genus: Diatonic Reference: Table 17, murray_text_02_greek.md Ptolemy's 'soft' diatonic tuning with superparticular ratios. Octave span: E to E Tetrachord structure: Two tetrachords with disjunctive tone B-A (9/8)
Playback
Select a tone, then click Begin. Use Arrow keys to step; Space stops. You can also use 1-0, qwertyuiop, asdfghjkl, zxcvbnm.
Overview (non-12°)
Degrees (now extended to 2 octaves)
# Raw Type Ratio Cents
2 21/20 ratio 21/20 85.00
3 10/9 ratio 10/9 265.00
4 8/7 ratio 8/7 498.00
5 9/8 ratio 9/8 702.00
6 21/20 ratio 21/20 787.00
7 10/9 ratio 10/9 969.00
8 8/7 ratio 8/7 1200.00
8 2nd octave 1285.00
9 2nd octave 1465.00
10 2nd octave 1698.00
11 2nd octave 1902.00
12 2nd octave 1987.00
13 2nd octave 2169.00
14 2nd octave 2400.00