Dave Smith Instruments OB-6: MIDI CC, NRPN and OSC map¶
The Dave Smith Instruments OB-6 as named OSC addresses — 51 CC — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.
| Device | Dave Smith Instruments OB-6 |
|---|---|
| Vendor | Dave Smith Instruments |
| OSC prefix | /ob_6 |
| Source | 📦 Derived from MIDI Guide (community CC/NRPN data) |
| Firmware | unknown |
| Revision | per pencilresearch canonical CSV |
| Upstream | pencilresearch |
| Data licence | CC-BY-SA-4.0 — MIDI Guide (https://midi.guide) by Pencil Research and contributors |
| Driver file | devices/dave-smith-instruments/ob_6.json |
Not tested on the device yet
This driver comes from documentation or community data and has not been checked on real hardware. If you own one, a quick test and a pull request promoting it helps everyone — see CONTRIBUTING.
How do you control it?¶
Find the MIDI ports, then start the bridge with this driver:
osc-bridge detect # prints the ready-to-run line for what is plugged in
osc-bridge run --device devices/dave-smith-instruments/ob_6.json --out-port <N> --in-port <M>
Then send OSC to 127.0.0.1:7777, for example:
From Claude or any MCP client, the osc-bridge mcp server exposes this driver as ob_6: ask “what can the Dave Smith Instruments OB-6 do?” and it reads this map with list_routes. See the MCP guide.
MIDI CC and NRPN parameters (51)¶
| OSC address | CC | NRPN (MSB/LSB) | Range | Nature | Section |
|---|---|---|---|---|---|
/ob_6/general/bank_select |
0 | 0–127 | continuous | General | |
/ob_6/general/mod_wheel |
1 | 0–127 | continuous | General | |
/ob_6/general/bpm |
3 | 0–127 | continuous | General | |
/ob_6/general/foot_controller |
4 | 0–127 | continuous | General | |
/ob_6/general/portamento_time |
5 | 0–127 | continuous | General | |
/ob_6/general/data_entry |
6 / 38 | 0–16383 | continuous | General | |
/ob_6/general/midi_volume |
7 / 39 | 0–16383 | continuous | General | |
/ob_6/sound/sub_octave_level |
8 | 0–127 | continuous | Sound | |
/ob_6/sound/distortion_amount |
9 | 0–127 | continuous | Sound | |
/ob_6/vca_envelope/amount |
40 | 0–127 | continuous | VCA envelope | |
/ob_6/vca_envelope/velocity_amount |
41 | 0–127 | continuous | VCA envelope | |
/ob_6/vca_envelope/attack |
43 | 0–127 | continuous | VCA envelope | |
/ob_6/vca_envelope/decay |
44 | 0–127 | continuous | VCA envelope | |
/ob_6/vca_envelope/sustain |
45 | 0–127 | continuous | VCA envelope | |
/ob_6/vca_envelope/release |
46 | 0–127 | continuous | VCA envelope | |
/ob_6/filter/envelope_amount |
47 | 0–127 | continuous | Filter | |
/ob_6/filter/envelope_attack |
50 | 0–127 | continuous | Filter | |
/ob_6/filter/envelope_decay |
51 | 0–127 | continuous | Filter | |
/ob_6/filter/envelope_sustain |
52 | 0–127 | continuous | Filter | |
/ob_6/filter/envelope_release |
53 | 0–127 | continuous | Filter | |
/ob_6/arpeggiator/on_off |
58 | 0–127 | continuous | Arpeggiator | |
/ob_6/arpeggiator/mode |
59 | 0–127 | continuous | Arpeggiator | |
/ob_6/arpeggiator/octave |
60 | 0–127 | continuous | Arpeggiator | |
/ob_6/arpeggiator/clock_division |
62 | 0–127 | continuous | Arpeggiator | |
/ob_6/general/damper_pedal |
64 | 0–127 | continuous | General | |
/ob_6/general/portamento_on_off |
65 | 0–127 | continuous | General | |
/ob_6/oscillator_1/frequency |
67 | 0–127 | continuous | Oscillator 1 | |
/ob_6/oscillator_1/level |
69 | 0–127 | continuous | Oscillator 1 | |
/ob_6/oscillator_1/shape |
70 | 0–127 | continuous | Oscillator 1 | |
/ob_6/oscillator_1/pulse_width |
71 | 0–127 | continuous | Oscillator 1 | |
/ob_6/general/brightness |
74 | 0–127 | continuous | General | |
/ob_6/oscillator_2/frequency |
75 | 0–127 | continuous | Oscillator 2 | |
/ob_6/oscillator_2/detune |
76 | 0–127 | continuous | Oscillator 2 | |
/ob_6/oscillator_2/level |
77 | 0–127 | continuous | Oscillator 2 | |
/ob_6/oscillator_2/shape |
78 | 0–127 | continuous | Oscillator 2 | |
/ob_6/oscillator_2/pulse_width |
79 | 0–127 | continuous | Oscillator 2 | |
/ob_6/general/data_increment |
96 | 0–127 | continuous | General | |
/ob_6/general/data_decrement |
97 | 0–127 | continuous | General | |
/ob_6/filter/frequency |
102 | 0–127 | continuous | Filter | |
/ob_6/filter/resonance |
103 | 0–127 | continuous | Filter | |
/ob_6/filter/key_amount |
104 | 0–127 | continuous | Filter | |
/ob_6/filter/velocity_on_off |
105 | 0–127 | continuous | Filter | |
/ob_6/filter/mode |
106 | 0–127 | continuous | Filter | |
/ob_6/filter/band_pass_on_off |
107 | 0–127 | continuous | Filter | |
/ob_6/general/all_sounds_off |
120 | 0–127 | continuous | General | |
/ob_6/general/reset_controllers |
121 | 0–127 | continuous | General | |
/ob_6/general/local_control_on_off |
122 | 0–127 | continuous | General | |
/ob_6/general/all_notes_off |
123 | 0–127 | continuous | General | |
/ob_6/general/omni_mode_off |
124 | 0–127 | continuous | General | |
/ob_6/general/omni_mode_on |
125 | 0–127 | continuous | General | |
/ob_6/general/poly_mode_on |
127 | 0–127 | continuous | General |
Performance MIDI¶
Notes, pitch bend and any CC are also available: /ob_6/note/on <note> <velocity>, /ob_6/cc/<number> <value>, /ob_6/pitchbend <0-16383>, /ob_6/program_change <n>.
Limitations¶
CC/NRPN only. SysEx (preset management, display control, bulk dump/load, vendor-proprietary opcodes) is NOT covered by pencilresearch. To extend this device with SysEx, sniff the vendor editor, add `sysex.header/footer` + `commands` blocks, and use `update_device.md` PR template.