The Korg Poly-61 is a classic analog synthesizer released in 1982. It was used by a variety of artists, including Depeche Mode, New Order, and The Cure. The Poly-61 is a two-oscillator, six-voice polyphonic synthesizer with a built-in arpeggiator and a simple step-sequencer. It features two oscillators, two envelope generators, two low-frequency oscillators, and a noise generator. It also has a built-in chorus effect and a portamento control. The Poly-61 is capable of producing a wide range of sounds, from classic analog bass and lead sounds to more modern digital sounds.