Korg MS-10 Vintage Analogue Monophonic Synthesiser Serial No. 137714 (1978)
It was released by Korg in 1978 as an entry-level, simple monophonic single-VCO analog synthesizer. It is known for its great bass and percussive sounds. Never reissued or updated, the MS-10 was followed by the dual-oscillator MS-20.