DX7 S
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User Guide
© 2018 MusicTechnologiesGroup.com & MAXsystems
1: Introduction
The S is a very powerful option board that provides increased memory
and greater control of the legendary Yamaha DX7 synthesizer.
SuperMAX Features
Memory Expansion: Sixteen banks of 32 patches equaling 512 patches
total. Two banks of "factory" patches are included.
Voice Stacking: You can stack and detune two, three or four voices of the
same patch. You then have a choice of 16x1, 8x2, 5x3 or 4x4 polyphony.
The detuning can provide chorus effect and/or chording and/or octaves
(for example).
Voice Delay: Add additional notes of the same or different pitch, delayed
from 10ms to 10s for each note you play.
Arpeggiator: You can predefine 32 types of arpeggiation over part or all of
the keyboard.
Sound Creation and Morphing: New patches can be developed and
existing ones can be selected live by pitch/mod wheel, velocity, random,
etc.
Temperament: You can predefine 4 different keyboard tunings.
Programmable master volume.
Programmable keyboard zones, MIDI zones and MIDI channel.
S Features
Addition of mounting hardware makes S more stable than the
original.
Included battery holder option will save wear and tear on the DX7 main
board from battery re-soldering and leakage.
Minor bug fixes and cosmetic changes to the user interface (LCD menus).
Supported by someone that supports the original developer, not rips him
off.
Faster boot-up. Reduced boot time by about 1.5 seconds. [v2.10+]
Fixed a Yamaha bug in the oscillator frequency table. (
Affects stock DX7’s
before v1.8, original SuperMAX and unlicensed SuperMAX clones.
Unknown which other expansions are affected.
) [v2.10+]
[Rev B] Hardware-selectable MIDI Velocity Offset fixes the stock DX7
velocity issue.