GFORCE Oberheim SEMTHE OBERHEIM SEM A SIMPLE MONOPHONIC SYNTH WITH A HUGE SOUND When Tom Oberheim created the first Oberheim Synthesizer Expander Module (model SEM 1) in 1974, he had one goal to make a synth that sounded great, whilst being extremely simple to use. In the decades since the release of this iconic synth, its been used by countless legendary musicians, making the SEM one of the most revered synthesizers of all time. As well as painstakingly recreating the