Six-Trak Sysex
This page details some useful sysex strings and commands for the Six-Trak synthesizer. This information is based on Sequential Circuits' MAX MIDIGUIDE (MG620B) and various text files collected from the internet.

MIDI Implementation

Note: sysex information is in binary

Control

Parameter Change:

1011 nnnn 0ccc ccc 0vvv vvv
n= Channel Number, c= Parameter Number and v= Patameter Value

Local on:

1011 nnnn 0111 1010 0111 1111
When enabled, the keyboard and sound changes are controlled
from the front panel.

Local off:

1011 nnnn 0111 1010 0000 0000
When enabled, the voices are controlled via MIDI.
Keyboard, wheel and sound change information is sent out
MIDI, but does not control the synth's voices.

All Notes off:

1011 nnnn 0111 1011 0000 0000

Omni Mode Off, all notes off:

1011 nnnn 0111 1100 0000 0000

Omni Mode On, all notes off:

1011 nnnn 0111 1101 0000 0000

Mono Mode on, all notes off:

1011 nnnn 0111 1110 0000 0000

Poly Mode on, all notes off:

1011 nnnn 0111 1111 0000

System Exclusive

Misc. Data:

All sysex strings begin with 1111 0000
Sequential Circuits' ID number is 0000 0001
The Six-Trak's ID code is 0000 0101
All sysex stings end with 1111 0111

Select Double Mode:

1111 0000 0000 0001 0111 1011 0000 nnnn 1111 0111
nnnn= Channel number. Enables wheels, sound change,
sending and receiving parameter change, and Mode 4.

Enable Wheel:

1111 0000 0000 0001 0111 1100 0000 nnnn 1111 0111
If in Mode 4, enable wheels on voice N (nnnn)

Disable Wheel:

1111 0000 0000 0001 0111 1101 0000 nnnn 1111 0111
If in Mode 4, disables wheels on voice N (nnnn)

Enable all MIDI sends and receives:

1111 0000 0000 0001 0111 1110 1111 0111

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