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Studio Electronics SE-3X Extended V1.1: MIDI CC, NRPN and OSC map

The Studio Electronics SE-3X Extended V1.1 as named OSC addresses — 73 CC — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.

Device Studio Electronics SE-3X Extended V1.1
Vendor Studio Electronics
OSC prefix /se_3x_extended_v1_1
Source 🎛️ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/studio-electronics/se_3x_extended_v1_1.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/studio-electronics/se_3x_extended_v1_1.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /se_3x_extended_v1_1/level 49

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as se_3x_extended_v1_1: ask “what can the Studio Electronics SE-3X Extended V1.1 do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (73)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/se_3x_extended_v1_1/level 48 0–98 continuous
/se_3x_extended_v1_1/osc1_pitch 54 0–62 continuous
/se_3x_extended_v1_1/triangle 55 0–127 continuous
/se_3x_extended_v1_1/saw 56 0–127 continuous
/se_3x_extended_v1_1/pulse 57 0–127 continuous
/se_3x_extended_v1_1/pw 58 10–90 continuous
/se_3x_extended_v1_1/rmod 51 0–98 continuous
/se_3x_extended_v1_1/noise 41 0–98 continuous
/se_3x_extended_v1_1/vca 34 0–127 continuous
/se_3x_extended_v1_1/level 49 0–98 continuous
/se_3x_extended_v1_1/osc2_pitch 59 0–62 continuous
/se_3x_extended_v1_1/sine 60 0–127 continuous
/se_3x_extended_v1_1/saw 61 0–127 continuous
/se_3x_extended_v1_1/pulse 62 0–127 continuous
/se_3x_extended_v1_1/pw 63 10–90 continuous
/se_3x_extended_v1_1/sync_2_1 92 0–127 continuous
/se_3x_extended_v1_1/fine_tune 32 -64–63 continuous
/se_3x_extended_v1_1/level 50 0–98 continuous
/se_3x_extended_v1_1/osc3_pitch 87 0–62 continuous
/se_3x_extended_v1_1/triangle 88 0–127 continuous
/se_3x_extended_v1_1/saw 89 0–127 continuous
/se_3x_extended_v1_1/pulse 90 0–127 continuous
/se_3x_extended_v1_1/pw 91 10–90 continuous
/se_3x_extended_v1_1/sync_3_1 93 0–127 continuous
/se_3x_extended_v1_1/fine_tune 33 -64–63 continuous
/se_3x_extended_v1_1/cutoff 74 0–127 continuous
/se_3x_extended_v1_1/resonance 71 0–127 continuous
/se_3x_extended_v1_1/vcf_tracking 94 0–127 continuous
/se_3x_extended_v1_1/m_trigger 16 0–127 continuous
/se_3x_extended_v1_1/filter_mode 45 0–127 continuous
/se_3x_extended_v1_1/sem_filter 14 0–127 continuous
/se_3x_extended_v1_1/attack 102 0–127 continuous
/se_3x_extended_v1_1/decay 103 0–127 continuous
/se_3x_extended_v1_1/sustain 104 0–127 continuous
/se_3x_extended_v1_1/release 105 0–127 continuous
/se_3x_extended_v1_1/velocity 35 0–99 continuous
/se_3x_extended_v1_1/vcf_env_amount 95 0–99 continuous
/se_3x_extended_v1_1/attack 106 0–127 continuous
/se_3x_extended_v1_1/decay 107 0–127 continuous
/se_3x_extended_v1_1/sustain 108 0–127 continuous
/se_3x_extended_v1_1/release 109 0–127 continuous
/se_3x_extended_v1_1/velocity 36 0–99 continuous
/se_3x_extended_v1_1/volume 7 0–127 continuous
/se_3x_extended_v1_1/attack 111 0–127 continuous
/se_3x_extended_v1_1/decay 112 0–127 continuous
/se_3x_extended_v1_1/sustain 113 0–127 continuous
/se_3x_extended_v1_1/release 114 0–127 continuous
/se_3x_extended_v1_1/velocity 37 0–99 continuous
/se_3x_extended_v1_1/env_amt 110 0–99 continuous
/se_3x_extended_v1_1/attack 116 0–127 continuous
/se_3x_extended_v1_1/decay 117 0–127 continuous
/se_3x_extended_v1_1/sustain 118 0–127 continuous
/se_3x_extended_v1_1/release 119 0–127 continuous
/se_3x_extended_v1_1/velocity 23 0–99 continuous
/se_3x_extended_v1_1/env_amt 115 0–99 continuous
/se_3x_extended_v1_1/rate 80 0–127 continuous
/se_3x_extended_v1_1/amount 81 0–99 continuous
/se_3x_extended_v1_1/rate 82 0–127 continuous
/se_3x_extended_v1_1/amount 83 0–99 continuous
/se_3x_extended_v1_1/rate 85 0–127 continuous
/se_3x_extended_v1_1/amount 86 0–99 continuous
/se_3x_extended_v1_1/modwhl_dest 19 0–127 continuous
/se_3x_extended_v1_1/mod_wheel_amt 17 0–99 continuous
/se_3x_extended_v1_1/aftertch_dest 9 0–127 continuous
/se_3x_extended_v1_1/aftertouch_amt 18 0–99 continuous
/se_3x_extended_v1_1/hold 64 0–127 continuous
/se_3x_extended_v1_1/panic 123 0–127 continuous
/se_3x_extended_v1_1/bend_osc 12 0–23 continuous
/se_3x_extended_v1_1/bend_vcf 13 0–23 continuous
/se_3x_extended_v1_1/glide_time 5 0–127 continuous
/se_3x_extended_v1_1/autoglide 11 0–48 continuous
/se_3x_extended_v1_1/main_vol 7 0–127 continuous
/se_3x_extended_v1_1/glide_type 10 0–127 continuous

Performance MIDI

Notes, pitch bend and any CC are also available: /se_3x_extended_v1_1/note/on <note> <velocity>, /se_3x_extended_v1_1/cc/<number> <value>, /se_3x_extended_v1_1/pitchbend <0-16383>, /se_3x_extended_v1_1/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.