Back in 1980, this pocket-sized wonder became the world's first affordable digital synthesizer, blending a monophonic synth with a real calculator and sequencer for under $70—kickstarting Casio's VL-Tone line and putting experimental sounds in everyday hands.
Its phase distortion engine delivers filtered square waves via a single digital oscillator, yielding five presets like the wildly abstracted piano, violin, flute, guitar, and fantasy voices, plus one user-programmable patch where you tweak waveform, ADSR envelope, and LFO for vibrato or tremolo. The 29 calculator-style button keys span two and a half octaves with a three-position switch, paired with an 8-character LCD that shows notes or calculator digits, tone/balance knobs, tempo control, a 100-note real-time sequencer, and 10 rhythms from just three primitive drum hits ("Po," "Pi," "Sha"). At 300 x 75 x 30 mm and 438g with battery power, it pipes tinny blips through a built-in speaker, mono line out, or headphone jack—pure lo-fi portability.
Electronic musicians cherish its kitsch charm, with those unmistakable rhythms powering Trio's "Da Da Da" and tracks by White Town; it's durable yet screens may fade over decades, but the goofy, unreal tones keep it a staple for quirky accents and sampling.