Roland System 700 sound synthesizer by Roland Corporation, Japan, c. 1981, consisting of seven separate modules plus keyboard and connecting leads, with operating manual

The Roland System 700 sound synthesizer is a high-class Japanese version of the famous Moog synthesizer that started the sound synthesizer revolution. Roland System 700 was one of the last all-analogue sound synthesizers and is material evidence of an importance phase of development in sound synthesis and, more generally, acoustics and the perception of sound.