The instrument
The MX-30 is an electric piano produced from 1977 to 1978. It is similar as the MX-20 with the addition of a decay knob for more control of the sounds.
Details
The MX-30 has five preset sounds: Piano, Electro Piano, Honky Tonk, Clavichord, Electro Clavichord and a bass split with independent volume control. The 61 key (C1-C6) keyboard with after touch can be split in two and extended to 73 notes with the octave key. It has tune, sustain and vibrato controls.