Hardware Synths

This is a list of hardware electronic instruments that have support for microtonal tuning.

Keyboards

• Ashun Sound Machines (ASM) Hydrasynth Keyboard (firmware 1.5 and later) - supports MIDI Tuning Standard
• Hπ Tonal Plexus
• Korg monologue
• Modor NF-1 - Built-in quarter tones, Just Intonation, Harmonic series, many EDOs and a number of hexanies/dekanies + scales via Midi Tuning Standard.
• Roli Seaboard
• Starr Labs Microzone U-648
• Striso board - Generalized keyboard which supports fifthspan and 7-limit JI tunings

Sound modules

• Ashun Sound Machines (ASM) Hydrasynth Desktop (firmware 1.5 and later) - supports MIDI Tuning Standard
• Yamaha TX81Z

Eurorack

• ornament & crime - CV generator
• Tubbutec μTune - two-channel microtonal quantizer/mapper
• Expert Sleepers FH-2 'Factotum' - MPE and .scl/kmb MIDI to CV

Other

• Hπ TBX2b - tuning unit that retunes GM (multichannel) synths, monophonic synths, MTS synths, and proprietary sysex synths.
• Theremin