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🌐 Internet Verified (Unverified by Owner): Controls have been validated using official web MIDI specifications (under CC BY-SA 4.0 via MIDI.guide), but not tested on physical hardware. Help us verify them by adjusting the sliders!
Roland

TB-03

Polyphonymono
Engine Typemono
Voice Count1 Voice
Timbral Parts1 Part

The Roland Boutique TB-03 is a modern digital emulation of the classic TB-303 bass line synthesizer, adding MIDI CC control over its parameters and dedicated overdrive effects.

💡 How to configure the Roland TB-03 MIDI Editorâ–ŧ

To control your Roland TB-03 from your web browser, connect your synth to your computer using a USB cable or a dedicated USB-to-MIDI interface.

Open the MIDI Settings panel above, set the Output Port to your connected TB-03 device, and select the correct MIDI channel (default is channel 1). Once configured, you can map the MIDI CC layout sliders, draw automated parameter curves, and edit patches in real-time without installing any software.

Virtual MIDI Controller

Tweak controls to generate and route MIDI CC packages.

Mixer

(2 controls)
Accent Level (CC 16)0
Sets the depth of volume and filter modulation applied to accented steps.
Overdrive Level (CC 17)0
Controls the built-in distortion drive level.

Filter

(2 controls)
Resonance (CC 71)0
Controls the feedback level of the 18dB lowpass filter.
Cutoff (CC 74)0
Adjusts the cutoff frequency of the lowpass filter.

Envelopes

(2 controls)
Env Mod Amount (CC 12)0
Adjusts the depth of envelope modulation applied to VCF Cutoff.
Decay (CC 75)0
Adjusts the decay time of the filter envelope.
ℹī¸ How MIDI CC Sync Works

MIDI CC is a one-way push protocol. Synthesizers cannot be queried dynamically to read their current parameter values. To synchronize these sliders, select your synthesizer's MIDI Input Port above. When you physically tweak knobs on your synth, the slider positions will instantly update on-screen to match.

No presets found for this synth.
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Suggest Profile Edit

Suggest adjustments to descriptions and MIDI CC parameter mapping.

No CC parameters mapped yet. Use inputs below.