Korg MS-10 Vintage Monophonic Analog Synthesizer SN 136216

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via this auction, also on Reverb

"1970s Korg MS-10 vintage monophonic synthesizer in exceptional, 100% original condition and in perfect working order. All functions have been tested, and all jacks, knobs, and key contacts have been freshly cleaned by our tech here at Mike & Mike's Guitar Bar, ensuring optimal performance.

Originally introduced in 1978 as an entry-level monophonic, single-VCO synth, the MS-10 quickly became known for its huge bass response and punchy percussive sounds. Semi-modular and patchable to the VCF and VCA, the MS-10 packs loads of functionality into a compact, beloved package; widely used to great effect by artists like The Chemical Brothers and Autechre.

The analog VCO has four switchable waveform shapes: triangle, sawtooth, pulse, and white noise. The Filter is the same KORG35 12 dB/Oct low pass filter that appeared in the MS-10’s iconic older sibling, the MS-20. The is a single resistor VCA, the amplitude of which can be controlled by the envelope generator. Despite its small stature, there is a wide array of modulation and envelope shaping controls onboard this synth and a wide array of possible sounds to produce. The envelope’s rise and fall profiles are entirely linear, lending this synth a unique, almost lethargic organic sound. Further expanding the scope of the MS-10s functionality is the inclusion of an external input-to-filter; enabling external sound sources to be processed through the synth’s filter.

The MS-10’s normalized connections can be modified with patch cables, allowing the LFO to modulate the pulse width of the VCO and/or the amplitude of the VCA. Additionally, there is an onboard noise generator with white and pink noise outputs, and CV and Gate In/Outs.

The unit housing is rugged and durable, with very restrained wear on the enclosure edges."