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RSF Kobol

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Description
RSF was a French synthesizer company in the latter part of the 1970's that was founded by Ruben and Serge Fernandez. In 1978 they released the Kobol keyboard synthesizer. It offers 44 keys, a 16 step sequencer, and 16 memory locations for user sounds. Its a 2 VCO instrument with a 24db voltage controlled filter and a single LFO with triangle and square waves. It offers generous assortment of knobs for editing or tweaking the sound. At the time it may have been considered an alternative to the Minimoog or addition to a keyboard rig. The Kobol is a very versatile instrument. Offering many sought after features of other analog synthesizers of it's time. less than 200 of the Kobol were made and it remained in the synth market from 1978-1979. Its closest relative may likely be the Crumar Spirit.
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Technical Specifications
Type: Analog
Synthesis: Subtractive
Oscillators
Oscillators: 1
Waveforms: Pulse Variable, Saw Down, Saw Up, Square
Osc Modulation: Envelope, Knob, LFO, Mod Wheel, Pitch Wheel, Sync Hard
Envelopes
Envelopes: 2
Evelope Paramerters: Attack, Decay, Sustain
Filters
Filters: 1
Types: 24dB Slope (4-pole), Low Pass, Resonance
Filter Modulation: Envelope, Knob, LFO, Pitch Wheel
LFO
LFO: 1
LFO Parameters: Square, Triangle
Polyphony & Tuning
Polyphony: 1
Modes: Mono
Patches
Patches RAM: 16
Storage: Internal
Editing: CV
Sequencer
+16 Step sequencer
+2 x 8 steps
Case
Case: Keyboard
Case Details: 44 keys
Keyboard: Wood
Controls: Buttons, Knobs, Mod - Wheel 2, Modulation 1/4" Jacks, Sequencer
Display Type: LED
Weight: 10 kg
Connections
Audio Output Connections: 1/4" Phone Jack, Mono Out
Audio Output Count: 1
Inputs: 1 x 1/4"
CV Ports: DIN, CV IN, 1V Octave
Production
Year Released: 1978
Year Discontinued: 1979
Units Made: 200
Used By
Jean Michel Jarre, Vangelis
Pricing
Used Price: $2,295 - convert
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