YOUR BEST SOURCE FOR PRO AUDIO GEAR. Behringer MS-1-BK Analog Synthesizer w/ 32 Full-Size Keys, USB & MIDI I/O, Black. A Brief History of Analog Synthesis. The modern synthesizer’s evolution began in 1919, when a Russian physicist named Lev Termen (also known as Léon Theremin) invented one of the first electronic musical instruments – the […]... Read More