Korg 1970's 770 Monophonic Synthesizer - VintageThis vintage Korg 770 synthesizer is in very good condition for its age. Originally released in 1976, the 770 is a rather rare synthesizer and especially rare to be found in such clean condition. It features two oscillators, two LFO's, two filters, multiple noise generators, and a unique ring mod section. This synthesizer has been play tested in house and is in working condition. The oscillators stay in tune well and all functions operate properly. In