* [[DHCP MIDI Interface]] (DHCP Electronics)
* [[EMR MIDI Interface]] (MIDI) (ElectroMusic Research)
* [[Maestro]] (Amplifier/Speakers) (Vanguard Leisure Ltd.)
* [[Music Machine]] (Sampling/Playback/MIDI) (RAM Electronics)
* [[MHT Speech Synthesizer]] (Speech) (MHT Ingenieros)