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Novation BS2 Third Osc MIDI CC chart, NRPN and OSC map

The Novation BS2 Third Osc MIDI implementation: 60 CC, 2 NRPN, each named, for Claude (MCP), SuperCollider or any OSC app.

Device Novation BS2 Third Osc
Vendor Novation
OSC prefix /bs2_third_osc
Source πŸŽ›οΈ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/novation/bs2_third_osc.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 β€” 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/novation/bs2_third_osc.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /bs2_third_osc/range 63

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as bs2_third_osc: ask β€œwhat can the Novation BS2 Third Osc do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (62)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/bs2_third_osc/range 70 0–127 continuous
/bs2_third_osc/coarse 27 / 59 -120–120 continuous
/bs2_third_osc/fine 26 / 58 -100–100 continuous
/bs2_third_osc/mod_env_pitch 71 -64–63 continuous
/bs2_third_osc/lfo_1_pitch 28 / 60 -127–127 continuous
/bs2_third_osc/width 74 5–95 continuous
/bs2_third_osc/mod_env_pw 72 -90–90 continuous
/bs2_third_osc/lfo_2_pw 73 -90–90 continuous
/bs2_third_osc/amount 5 0–127 continuous
/bs2_third_osc/range 75 0–127 continuous
/bs2_third_osc/coarse 30 / 62 -120–120 continuous
/bs2_third_osc/fine 29 / 61 -100–100 continuous
/bs2_third_osc/mod_env_pitch 76 -64–63 continuous
/bs2_third_osc/lfo_1_pitch 31 / 63 -127–127 continuous
/bs2_third_osc/width 79 5–95 continuous
/bs2_third_osc/mod_env_pw 77 -90–90 continuous
/bs2_third_osc/lfo_2_pw 78 -90–90 continuous
/bs2_third_osc/osc_1_2_sync 110 0–127 continuous
/bs2_third_osc/sub_osc_wave 80 0–127 continuous
/bs2_third_osc/sub_osc_oct 81 0–127 continuous
/bs2_third_osc/sub_coarse 0 / 84 -120–120 continuous
/bs2_third_osc/sub_fine 0 / 77 -100–100 continuous
/bs2_third_osc/osc_1_level 20 / 52 0–255 continuous
/bs2_third_osc/osc_2_level 21 / 53 0–255 continuous
/bs2_third_osc/sub_level 22 / 54 0–255 continuous
/bs2_third_osc/noise_level 23 / 55 0–255 continuous
/bs2_third_osc/ext_level 25 / 57 0–255 continuous
/bs2_third_osc/ring_level 24 / 56 0–255 continuous
/bs2_third_osc/filter_type 83 0–127 continuous
/bs2_third_osc/filter_slope 106 0–127 continuous
/bs2_third_osc/filter_shape 84 0–127 continuous
/bs2_third_osc/overdrive 114 0–127 continuous
/bs2_third_osc/resonance 82 0–127 continuous
/bs2_third_osc/cut_off_freq 16 / 48 0–255 continuous
/bs2_third_osc/mod_envelope 85 -63–63 continuous
/bs2_third_osc/lfo_2 17 / 49 -127–127 continuous
/bs2_third_osc/lfo1_speed 18 / 50 0–255 continuous
/bs2_third_osc/lfo_1_wave 88 0–127 continuous
/bs2_third_osc/lfo_1_delay 86 0–127 continuous
/bs2_third_osc/lfo_2_wave 89 0–127 continuous
/bs2_third_osc/lfo_2_delay 87 0–127 continuous
/bs2_third_osc/lfo_2_speed 19 / 51 0–255 continuous
/bs2_third_osc/adsr 90 0–127 continuous
/bs2_third_osc/adsr 91 0–127 continuous
/bs2_third_osc/adsr 92 0–127 continuous
/bs2_third_osc/adsr 93 0–127 continuous
/bs2_third_osc/adsr 102 0–127 continuous
/bs2_third_osc/adsr 103 0–127 continuous
/bs2_third_osc/adsr 104 0–127 continuous
/bs2_third_osc/adsr 105 0–127 continuous
/bs2_third_osc/on_off 108 0–127 continuous
/bs2_third_osc/rhythm 119 1–32 continuous
/bs2_third_osc/octave 111 0–127 continuous
/bs2_third_osc/swing 116 3–97 continuous
/bs2_third_osc/distortion 94 0–127 continuous
/bs2_third_osc/vca_limiter 95 0–127 continuous
/bs2_third_osc/note_mode 118 0–127 continuous
/bs2_third_osc/latch 109 0–127 continuous
/bs2_third_osc/osc_filter_mod 115 0–127 continuous
/bs2_third_osc/amp_env 112 -63–63 continuous
/bs2_third_osc/mod_env 113 -63–63 continuous
/bs2_third_osc/range 107 -24–24 continuous

Performance MIDI

Notes, pitch bend and any CC are also available: /bs2_third_osc/note/on <note> <velocity>, /bs2_third_osc/cc/<number> <value>, /bs2_third_osc/pitchbend <0-16383>, /bs2_third_osc/program_change <n>.

Limitations

Imported from an Electra One community preset. The mapping reflects the preset author's editorial choices: parameter naming, ranges, and which params are exposed. Untested on hardware in this repo.

Frequently asked questions

How many parameters of the Novation BS2 Third Osc can be controlled over MIDI?

SynthHub's map of the Novation BS2 Third Osc lists 60 MIDI CC and 2 NRPN parameters, each with its number, range and a readable name; the full chart is on this page.

Can an AI agent like Claude control the Novation BS2 Third Osc?

Yes: SynthHub's hosted MCP server knows the Novation BS2 Third Osc's MIDI map, and its browser relay lets the agent send it parameter changes or load a sound, each sound change confirmed by you.