- Galium
- Edward Greenspan
- Emas
- A12 scale
- A12
- Just intonation
- Cent (music)
- Five-limit tuning
- Shi'er lü
- Index of music articles
- Heinz Bohlen
- List of largest church buildings
- Bohlen–Pierce scale
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A12 () is a non-octave-repeating scale or musical tuning featuring twelve steps to the tritave. As twelve steps to the octave is based on a triad of harmonics 4:5:6 (root, major third, perfect fifth), A12 is based on a triad of harmonics 4:7:10 (root, harmonic seventh, and compound major third). Discovered by Heinz Bohlen between 1972 and 1973, it was named "A12" by Enrique Moreno. Bohlen considered this scale less logically consistent than the Bohlen–Pierce scale, which has thirteen steps in the twelfth.
See also
833 cents scale
Bohlen–Pierce scale
References
Kata Kunci Pencarian:
A12 scale - Alchetron, The Free Social Encyclopedia
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Micro A12 Personal Scale - Premier Scales Services
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Micro A12 Platform Scale - Sasco Africa Weighin Warehouse
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Micro A12 Digital Chair Scale - Sasco Weighing Warehouse
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Micro A12 Digital Physician Scale - Medicare