u-he Repro-1 v1.1: MIDI CC, NRPN and OSC map

The u-he Repro-1 v1.1 as named OSC addresses — 121 CC — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.

Device	u-he Repro-1 v1.1
Vendor	u-he
OSC prefix	/repro_1_v1_1
Source	🎛️ Derived from an Electra One community preset
Revision	per Electra preset
Upstream	electra-preset
Driver file	devices/u-he/repro_1_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/u-he/repro_1_v1_1.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /repro_1_v1_1/oscillator/fine 30

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as repro_1_v1_1: ask “what can the u-he Repro-1 v1.1 do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (121)

OSC address	CC	NRPN (MSB/LSB)	Range	Nature	Section
/repro_1_v1_1/oscillator/fine	3		-60–60	continuous	oscillator
/repro_1_v1_1/oscillator/pulse_width	4		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/frequency	5		-60–60	continuous	oscillator
/repro_1_v1_1/oscillator/octave	6		0–3	continuous	oscillator
/repro_1_v1_1/oscillator/saw	7		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/square	8		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/sync	9		0–127	continuous	oscillator
/repro_1_v1_1/volume	10		0–127	continuous
/repro_1_v1_1/oscillator/fine	12		-60–60	continuous	oscillator
/repro_1_v1_1/oscillator/low_freq	13		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/key_track	14		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/pulse_width	15		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/frequency	16		-60–60	continuous	oscillator
/repro_1_v1_1/oscillator/octave	17		0–3	continuous	oscillator
/repro_1_v1_1/oscillator/saw	18		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/square	19		0–127	continuous	oscillator
/repro_1_v1_1/oscillator/triangle	20		0–127	continuous	oscillator
/repro_1_v1_1/volume	21		0–127	continuous
/repro_1_v1_1/resonance	22		0–127	continuous
/repro_1_v1_1/env_amount	23		0–127	continuous
/repro_1_v1_1/key_amount	24		0–127	continuous
/repro_1_v1_1/mode	25		0–127	continuous
/repro_1_v1_1/volume_curve	26		0–127	continuous
/repro_1_v1_1/volume	27		0–127	continuous
/repro_1_v1_1/cutoff	28 / 60		0–16383	continuous
/repro_1_v1_1/filter_env	29		0–127	continuous
/repro_1_v1_1/filter_env	30		0–127	continuous
/repro_1_v1_1/filter_env	31		0–127	continuous
/repro_1_v1_1/filter_env	32		0–127	continuous
/repro_1_v1_1/velocity_depth	33		0–127	continuous
/repro_1_v1_1/noise_feedback	34		0–127	continuous
/repro_1_v1_1/amp_env	35		0–127	continuous
/repro_1_v1_1/amp_env	36		0–127	continuous
/repro_1_v1_1/amp_env	37		0–127	continuous
/repro_1_v1_1/amp_env	38		0–127	continuous
/repro_1_v1_1/velocity_depth	39		0–127	continuous
/repro_1_v1_1/rate	40		0–127	continuous
/repro_1_v1_1/sync_mode	41		0–127	continuous
/repro_1_v1_1/clock	42		0–127	continuous
/repro_1_v1_1/saw	43		0–127	continuous
/repro_1_v1_1/triangle	44		0–127	continuous
/repro_1_v1_1/square	45		0–127	continuous
/repro_1_v1_1/from_flt_env	46		0–127	continuous
/repro_1_v1_1/from_osc_b_amt	47		0–127	continuous
/repro_1_v1_1/from_lfo_amt	48		0–127	continuous
/repro_1_v1_1/to_osc_a_freq	49		0–127	continuous
/repro_1_v1_1/to_osc_a_pw	50		0–127	continuous
/repro_1_v1_1/via	51		0–127	continuous
/repro_1_v1_1/via	52		0–127	continuous
/repro_1_v1_1/via	53		0–127	continuous
/repro_1_v1_1/to_filter	54		0–127	continuous
/repro_1_v1_1/to_osc_b_freq	55		0–127	continuous
/repro_1_v1_1/to_osc_b_pw	56		0–127	continuous
/repro_1_v1_1/b_mod	57		0–127	continuous
/repro_1_v1_1/trigger	58		0–127	continuous
/repro_1_v1_1/teeth	59		0–127	continuous
/repro_1_v1_1/folds	61		0–127	continuous
/repro_1_v1_1/f_mod	62		-63–63	continuous
/repro_1_v1_1/bias	63		-63–63	continuous
/repro_1_v1_1/attack	65		0–127	continuous
/repro_1_v1_1/release	66		0–127	continuous
/repro_1_v1_1/modulation	67		0–127	continuous
/repro_1_v1_1/sync	68		0–127	continuous
/repro_1_v1_1/mode	69		0–127	continuous
/repro_1_v1_1/flavour	70		0–127	continuous
/repro_1_v1_1/regen	71		0–127	continuous
/repro_1_v1_1/time	72		0–127	continuous
/repro_1_v1_1/mix	73		0–127	continuous
/repro_1_v1_1/mode	74		0–127	continuous
/repro_1_v1_1/q_res	75		0–127	continuous
/repro_1_v1_1/bass	76		0–127	continuous
/repro_1_v1_1/mid	77		0–127	continuous
/repro_1_v1_1/high	78		0–127	continuous
/repro_1_v1_1/bass_freq	79		0–127	continuous
/repro_1_v1_1/mid_freq	80		0–127	continuous
/repro_1_v1_1/high_freq	81		0–127	continuous
/repro_1_v1_1/bass	82		-63–63	continuous
/repro_1_v1_1/mid	83		-63–63	continuous
/repro_1_v1_1/high	84		-63–63	continuous
/repro_1_v1_1/tone	85		-63–63	continuous
/repro_1_v1_1/pre_delay	86		0–127	continuous
/repro_1_v1_1/decay	87		0–127	continuous
/repro_1_v1_1/dry_wet	88		0–127	continuous
/repro_1_v1_1/rate	92		0–127	continuous
/repro_1_v1_1/mode	93		0–127	continuous
/repro_1_v1_1/retrig	94		0–127	continuous
/repro_1_v1_1/repeat	95		0–127	continuous
/repro_1_v1_1/drone	96		0–127	continuous
/repro_1_v1_1/source	97		0–127	continuous
/repro_1_v1_1/status	98		0–127	continuous
/repro_1_v1_1/latch	99		0–127	continuous
/repro_1_v1_1/status	100		0–127	continuous
/repro_1_v1_1/pattern	101		0–127	continuous
/repro_1_v1_1/rest	102		0–127	continuous
/repro_1_v1_1/from	103		0–127	continuous
/repro_1_v1_1/to	104		0–127	continuous
/repro_1_v1_1/osc_a_chip	105		0–127	continuous
/repro_1_v1_1/osc_b_chip	106		0–127	continuous
/repro_1_v1_1/polarity	107		0–127	continuous
/repro_1_v1_1/key_tracking	108		0–127	continuous
/repro_1_v1_1/osc_b_invert	109		0–127	continuous
/repro_1_v1_1/filter_tweak	110		0–127	continuous
/repro_1_v1_1/filter_env	111		0–127	continuous
/repro_1_v1_1/inverted_saw	112		0–127	continuous
/repro_1_v1_1/no_dc	113		0–127	continuous
/repro_1_v1_1/amp_env	114		0–127	continuous
/repro_1_v1_1/key_priority	115		0–127	continuous
/repro_1_v1_1/mod_amount	116		0–127	continuous
/repro_1_v1_1/source	117		0–127	continuous
/repro_1_v1_1/curve	118		0–127	continuous
/repro_1_v1_1/rectify	119		0–127	continuous
/repro_1_v1_1/quantize	120		0–127	continuous
/repro_1_v1_1/s_h	121		0–127	continuous
/repro_1_v1_1/slew	122		0–127	continuous
/repro_1_v1_1/mod_amount	124		0–127	continuous
/repro_1_v1_1/source	125		0–127	continuous
/repro_1_v1_1/curve	126		0–127	continuous
/repro_1_v1_1/rectify	127		0–127	continuous
/repro_1_v1_1/quantize	89		0–127	continuous
/repro_1_v1_1/s_h	90		0–127	continuous
/repro_1_v1_1/slew	91		0–127	continuous

Performance MIDI

Notes, pitch bend and any CC are also available: /repro_1_v1_1/note/on <note> <velocity>, /repro_1_v1_1/cc/<number> <value>, /repro_1_v1_1/pitchbend <0-16383>, /repro_1_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.