Sequential PRO 3, User Manual

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130 Appendix E: Alternative Tunings Sequential
Appendix E: Alternative Tunings
By default, the Pro 3 is set to standard, chromatic western tuning.
Additionally, it supports up to 64 additional alternative tunings, which
you can access using the
scale
parameter in the
global
menu (to apply
a tuning globally) and also the
misc params
menu (to apply a tuning to a
specific program).
These 64 alternative tunings range from Equal temperament to Indo-
nesian Gamelan tunings. If you want, you can replace these with other
tunings that you can find on the Internet. These must be in SysEx format.
You can download them into the Pro 3 using SysEx Librarian for Mac or
MIDI-OX for Windows.
Here are descriptions of the first 17 default Pro 3 alternative tunings.
Descriptions for tunings 18-64 can be found on the Pro 3 Support page
of Sequential’s website.
1. 12-Tone Equal Temperament (non-erasable)
The default Western tuning, based on the twelfth root of two.
2. Harmonic Series
MIDI notes 36-95 reflect harmonics 2 through 60 based on the funda-
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
remaining keys above and below the 5 octave range are filled with 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)