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The Oberheim Prommer is a monophonic sampler capable of programming EPROM chips for use in Oberheim DMX, Linn, Simmons, and Sequential drum machines, allowing you to use your own samples in these devices. The device can be triggered by MIDI, or via the pre-MIDI Oberheim Parallel Buss. [3]
The Matrix-12 is in effect two Xpanders plus a keyboard. The second group consists of the Matrix-6 synthesizer, with DCOs , and much more standard filter capability. It had two rack-mount variants, the Matrix-6R (Matrix-6 without keyboard) and the Matrix-1000 (low cost preset version with extended memory).
Oberheim introduced the Two Voice and Four Voice at the June 1975 NAMM Show, the first time the company exhibited Oberheim-branded products. [4] The following year, an optional Polyphonic Synthesizer Programmer module, capable of storing and recalling 16 instances of some SEM parameters, was made available for the Four Voice and Eight Voice.
These synthesizer models were logically named the Oberheim Oberheim Two Voice (TVS) and Four Voice (FVS). In 1976, Oberheim introduced the Polyphonic Synthesizer Programmer (PSP-1), an optional module which made possible the storage and recall of most of the SEM's parameters, as well as the ability to glide from one note or chord to another ...
The Oberheim Xpander (/ ɛ k s ˈ p æ n d ər /) is an analog synthesizer launched by Oberheim in 1984 and discontinued in 1988. It is essentially a keyboardless, six-voice version of the Matrix-12 (released a year later, in 1985). Utilizing Oberheim's Matrix Modulation technology, the Xpander combined analog audio generation (VCOs, VCF and ...
Oberheim DX Oberheim "Stretch" DX. Introduced in 1983, the Oberheim DX was a slightly stripped-down version of the DMX, available at a list price of US$1,395. The look and feel of the machine was similar to that of the DMX, but it only featured 18 sounds instead of 24; allowed for 6-sound polyphony instead of 8; had a 4-digit, 7-segment display instead of a 16-character alphanumeric display ...
The DSX equipped with the Oberheim Serial Buss, a pre-MIDI proprietary parallel bus designed to directly interface the DSX with Oberheim's OB-Xa or OB-8 synthesizers along with their DMX drum machine. Connection was via a heavy 1:1 cable, which plugged from the host DSX to the target synthesizer using a rear DB-37 connector.
Interior view of Oberheim OB-Xa analog polyphonic synthesizer. Instead of the discrete circuits for oscillators and filters utilized by the OB-X, the OB-Xa (and the Oberheim synths to follow) switched to Curtis integrated circuits. This made the inside of the synth less cluttered, facilitating troubleshooting, and reducing the cost of manufacture.