Oxford Synthesiser Company OSCar

OSC OSCar Image

The OSCar is a classic mono-synth from British manufacturer Oxford Synthesiser Company (OSC). It came in 1983 and though it was in the same class as the Arp Odyssey and Minimoog mono-synths, its late arrival makes it one of the more advanced programmable mono-synths of its time! It's got a really cool sound, digitally controlled dual oscillators with analog filters, and plenty of programmability all packed into a quirky little plastic case with 37 keys. MIDI also appeared on later revisions as well.

Its sound starts out from its two DCO's. The synth is monophonic but can also achieve duophonic capability when using just one oscillator per voice. Waveforms offered include sawtooth, triangle, and square-, variable-, or modulated-pulse waveforms. In addition to these analog waveforms, there's an additive-synthesis function allowing you to create your own custom waveforms by simply mixing the amplitudes of any of its 24 harmonics using the keyboard. Up to 24 of these custom waves can be stored and used with either oscillator.

Once you've got some sounds it's time to hit the filter section - the real analog heart of this synth! It has two 12dB/oct filters which can be linked for a steeper 24dB/oct slope. It features switchable lowpass, highpass and bandpass filtering and your basic frequency cutoff and resonance type controls. The filter has its own ADSR envelope as well (a second ADSR envelope controls the amplifier section). The filter can also be modulated by the LFO. The OSCar's LFO offers triangle, sawtooth, square, and other wave shapes and can also be used to modulate the amp, pitch, or pulse-width. There's even a sample-and-hold function.

OSCar Image

A simple built-in sequencer gave the OSCar duophonic capabilities! It could play a sequence on one of the oscillators while the keyboard can be used to simultaneously play along with the sequence. It stores up to 24 sequences. When MIDI came on later models after 1984, you could easily synchronize your OSCar and other MIDI gear together and patches stored in memory could be dumped via MIDI to more permanent offline storage mediums. MIDI models also offered 36 programmable memory patches which are assigned to the actual keyboard keys (pre-MIDI models had 12 preset and 24 user patches). The OSCar is usually hard to find and they usually need some work (they're almost 20 years old), but it's a favorite and classic little beast which has been used by Hardfloor, Orbital, Ozric Tentacles, BT, Jean-Michel Jarre, Asia, Ultravox, Stevie Wonder, Sneaker Pimps, Keith Emerson, Sneaker Pimps, and Underworld.


Check out GMEDIA Music's impOSCar - an amazing, authentic, and realistic software synth modeled after the OSCar, with major enhancements including more polyphony, effects, patch memory, total recall, controller automation, and much more - all for less than $200!

Check Oxford Synthesiser Company OSCar Prices on eBay

The link above will take you to a search for this synth to see active listings with more images, specs and information. If you don't find it there, try looking in our forum marketplace. Our marketplace gets thousands of visits every week so make sure to check back often if you want to buy or sell a synth.

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51 Visitor comments
nicholas
January 13, 2014 @ 3:03 am
I'M pretty sure if people start flooding novation with requests Chris Hugget might possibly consider reissuing this and the wasp. Lets face it, it was cheaply made plastic cased synth that was fairly cheap, If it were reissued for a reasonable price tons of people would jump on it. gmedia have cemented it in the common synth lexicon. I would pay $1500-$2000 upfront for a reissue, would you? Plus, with the current price of the old technology, we could easily have more memory,graphic additive editing gui lcd. But, I'd settle for the unmodified mk2.
bumbaclart
October 31, 2013 @ 12:06 pm
@jkg2
wow exccellent job with great photo's. I remember someone telling me years ago that the cream coloured front control panel of the OSCar is actually a cheap PVC window sill!
jkg2
October 25, 2013 @ 1:14 am
Well, I went ahead and fixed the OSCar on my own, and documented it with photos for anyone who might be interested.

http://www.gearslutz.com/board/electronic-music-instruments-electroni c-music-production/878192-oscar-disassembly-keyboard-repair-photos.html#post9526 520
L13
October 21, 2013 @ 12:35 pm
CEEPHAX!!!
His last video interview had one lurking in his rack
JKG2
October 10, 2013 @ 2:44 pm
has anyone taken an OSCar apart to clean the keyboard leads? Mine are getting so bad its becoming a problem selecting programs. Just wondering what the best way to go about it would be, I've never had this particular beast apart.
thanks!
 
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  • Check Prices on eBay
  • The link above will take you to a search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Specifications
  • Polyphony - Monophonic (Duophonic via built-in Sequencer)
  • Oscillators - 2 DCO's with sawtooth, triangle, and square-, variable- or modulated-pulse waveforms and 5 preset digital wavefroms
  • LFO - 1 LFO with square, triangle, sawtooth waveforms, sample-and-hold
  • Filter - Two 12dB/oct analog filters which can be linked in series for 24dB/oct configuration. Lowpass, bandpass, highpass modes. Dedicated ADSR envelope, Frequency Cutoff and Resonance controls.
  • VCA - Two ADSR Envelopes
  • Keyboard - 37 keys
  • Memory - Pre-MIDI Model: 12 user, 24 preset patches. MIDI-equipped models: 36 programmable patches. Custom Waveforms: 24 waves. Sequencer: 24 sequences.
  • Control - Trigger In, MIDI available on some later models
  • Date Produced - 1983 - 1986

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