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KORG M1 keyboard synthesizer + hardcase + official manual copy. Very good and working condition.

M1 features a 61-note velocity- and aftertouch-sensitive keyboard, 16-note polyphony with 1-oscillator Programs (or 8-note polyphony with 2-oscillator Programs) a joystick for pitch-bend and modulation control, an eight-track MIDI sequencer, separate LFOs for vibrato and filter modulation, and ADSR envelopes. Data can be stored on RAM and PCM cards. ROM with four megabytes of 16-bit PCM tones, including, according to Sound on Sound. The sounds include sampled attack transients, loops, sustained waveforms without attack transients, and percussive samples. The timbres include piano, strings, acoustic guitar, woodwinds, sitar, kalimba, wind chimes, and drums. Effects including reverb, delay, chorus, tremolo, EQ, distortion, and Leslie simulation.