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Oberheim | SEM PRO |
Description | SEM with MIDI to CV Converter and integrated Patchpanel. This version combines the features of the MIDI to CV version with a 21-jack patchpanel and is personally autographed by Tom Oberheim. + Select MIDI channel, controller number and bend range. + Select note assignment modes: latest, high note and low note priorities. + Select note re-trigger, filter track, LFO reset. + A second independent control bus allows velocity, controller data, or channel pressure to modulate either or both VCOs, the filter and the VCA. + Transpose function allows different keyboard controllers to utilize the complete MIDI note range. + Analog portamento. + Input preamp gain control - allows an external audio input to be processed thru the SEM. + High precision A-440 Hz tune signal. + Control voltages and gate are bought out to rear panel connectors so MIDI to CV function can be used with other CV/Gate gear. |
Brand | Oberheim |
Model | SEM PRO |
Device | Synth |
Type | Desktop |
Engine Type | Analog |
Engine | VCO |
Voices (max) | 1 |
Oscillators | 2 |
LFO | 1 Triangle |
Engine Detailed | 2 VCO's (per voice) with sawtooth or variable-pulse waveforms |
Filter (VCF) | 2-pole multimode (low-, band-, hi-pass, band-reject) VCF with ASR (Attack, Decay and Sustain) generator |
Envelope (VCA) | 2 ADR (Attack, Decay and Sustain) Envelope Generators |
Sequencer | Mini Sequencer (with 8 steps and 2 voices) |
Keys | 0 |
Key type | N/A |
Velocity | N/A |
Aftertouch | N/A |
Midi | I-O |
CV-gate | CV I-O |
Produced: | 2010 - 2010 |
Legend: | Obvious | Y: Yes, N: No, N/A: Not Applicable | |
VCO | Voltage Controlled Oscillator | DCO | Digital Controlled Oscillator |
LFO | Low Frequency Oscillator | Sub | Sub Oscillator |
VCF | Voltage Controlled Filter | VCA | Voltage Controlled Amplifier |
Velocity | As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. | Aftertouch | Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel. |
Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise. |