- en.wikipedia.org Korg SigmaThe Korg Sigma KP-30 is a monophonic analog synthesizer released by Korg in 1979. The Sigma was designed for organ players and live performance...
- korg.com us/support/download/product/1/368/SIGMA(sold out). Manuals. PDF. SIGMA/Owner's Manual.
- soundprogramming.net synthesizers/korg/korg-sigma/Get manuals, specifications, and demos for the Korg Sigma synthesizer.
- youtube.com watchKORG SIGMA Analog Synthesizer 1979 | HD DEMO.63 bin görüntülemeYayınlandı29 Nis 2015
- synthark.org Korg/Sigma.htmlThe Korg Sigma is a 37 key (monophonic) synthesizer, featuring aftertouch, portamento, vibrato, CV I/O, and separate "Synthe" and preset "Instrument" sections.
- sequencer.de syns/korg/Sigma.htmlABOUT kleiner Preset-Synthesizer, der aber eher eine Art Makrobedienung hat und klanglich irgendwo zwischen MS20 und den alten Korgs liegt.. hat 2 filter...
- vintagesynth.com korg/sigmaThe Sigma is also unique for its ability to combine the synth and instrument sections for a nicer, layered synth sound or effect.
- equipboard.com items/korg-sigmaSee 1 musician review, how 3 pros use it, and where to get a deal on Korg Sigma, ranked #769 in Synthesizers and rated 3.5 of 5 on Equipboard.
- synthfind.com category/korg/sigma/“Introducing the KORG SIGMA KP-30, a rare vintage analog synthesizer from 1979. This iconic piece of pro audio equipment was designed by Korg and is perfect...
- http://synth-db.com synths/Korg/Sigma/Sigma.phpThe Sigma is also unique for its ability to combine the synth and instrument sections for a nicer, layered synth sound or effect.