Tune the VCOs, apply some envelope modulation to the filter and you're immediately in classic SEM territory, wallowing in fat basses and warm, funky leads.Ī knob-for-knob recreation of the SEM would have been enough to please plenty of Oberheim fans, but Arturia has taken the concept to another level with the SEM V, adding numerous features in order to bring the basic design into line with modern expectations. Needless to say, the SEM V's architecture is an accurate recreation of the SEM's set-up. Multimode filters are fairly common nowadays, but the SEM's state-variable design allows it to blend seamlessly from low-pass to high-pass through every possible shape of notch filter in between. The 12dB/oct design is switchable between low-pass, high-pass and band-pass modes. Having set out to design a synth that would complement the bestsellers on the market - Minimoogs, ARP 2600s and so on - Tom Oberheim settled on a unique filter to set the SEM apart.īangla Software Bijoy 2007. The main selling point is the highly unusual voltage-controlled filter. The basic synth architecture is fairly standard: the SEM is a monophonic synth with two oscillators (pulse and sawtooth waves), two ADSD envelope generators and a sine wave LFO. 'Switching the SEM V to Poly mode instantly creates the sound of up to eight SEMs hooked together.'Īrchitecture The SEM is legendary precisely because it does things differently to most other synths. French software experts Arturia must have been reading our pleas, because the SEM V virtual instrument is exactly that: a faithful reproduction of the SEM sound, with a few modern twists to make it even more versatile. When we tested the re-issue in October 2010, we noted that nobody had yet designed a decent software emulation and hoped that someone would come up with a digital clone. On sale for five years from 1974, its popularity remains so high that its septuagenarian designer re-established production just over a year ago. Arturia Oberheim SEM V The Oberheim SEM is an undisputed classic. Arturia's awesome preset collection offers a good route in to the SEM V's more advanced options.
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