Dave Smith Instruments Prophet REV2 Mode D'emploi page 150

Appendix C: Alternative Tunings
By default, the Prophet Rev2 is set to standard, chromatic western
tuning. Additionally, it supports up to 16 additional alternative tunings,
which you can access using the
menu.
From the factory, the Prophet Rev2 ships with 16 preset alternative
tunings ranging from Equal temperament to Indonesian Gamelan
tunings. If you want, you can replace these with other tunings that you
load them into the Prophet Rev2 using SysEx Librarian for Mac or
MIDI-OX for Windows.
Here are descriptions of the default alternative tunings:
1. 12-Tone Equal Temperament (non-erasable)
The default Western tuning, based on the twelfth root of two.
2. Harmonic Series
mental of A = 27.5 Hz. The low C on a standard 5 octave keyboard acts
as the root note (55Hz), and the harmonics play upwards from there. The
same intervals as Carlos' Harmonic 12 Tone that follows.
3. Carlos Harmonic Twelve Tone
Wendy Carlos' twelve note scale based on octave-repeating harmonics.
A = 1/1 (440 Hz). 1/1 17/16 9/8 19/16 5/4 21/16 11/8 3/2 13/8 27/16 7/4
15/8
4. Meantone Temperament
An early tempered tuning, with better thirds than 12ET. Sounds best in
the key of C. Use this to add an authentic touch to performances of early
Baroque music. C=1/1 (260 Hz)
Prophet Rev2 User's Guide
parameter in the
alt tunings
Appendix C: Alternative Tunings
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