The Oberheim OB-Xk is a MIDI keyboard controller from the mid-eighties. Originally designed to control the Matrix and Xpander modules, it uses MIDI and works fine as a controller for any MIDI gear. It's got 61 keys that respond to velocity and aftertouch, two OB-style Pitch/Mod controllers, and one assignable continuous control slider. From the front panel you can directly access the first 100 single patches and/or 100 multi patches of your MIDI module. Any additional patches must be selected by another MIDI controller.
Other features include the ability to transpose up or down by up to 2 octaves or by half steps. The keyboard can be split into 3 zones. There are basic Hold and Chord memory functions and an Arpeggiator section with pretty decent features (it can use internal or external clock). The OB-Xk can also send a sequencer Song Select, Start and Stop commands. It's built with Oberheim's classic & vintage look: solid black metal case with wood end-cheeks. Definitely a unique controller to have around, although severely limited by today's standards.
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- The link above will take you to an eBay 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.
- Polyphony - n/a
- Oscillators - n/a
- Effects - n/a
- Filter - n/a
- Arpeg/Seq - Arpeggiator with internal/external clock sources
- Keyboard - 61 keys (velocity, after-touch)
- Memory - 100 single patches, 100 multi patches, 3 zones
- Control - MIDI Out (1 channel at a time)
- Date Produced - 1986
- Shop for Keyboards, MIDI & Gear
- Resources & Credits
Images from Synth Site
Thanks to Scott Marcotte for providing information.
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