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RSF Kobol (1978)

RSF Kobol

Trend price : 7000€

The legendary French monophonic synthesizer made by the great Fernandez team Ruben and Serge Fernandez. Keyboard version is one of the rarest version ever made: only 200 have been produced, resulting as one of the most sought-after synthesizer in the world.

Overview
(weight:10 kg) 44 keys. This main panel features 28 knobs, 5 switches and 15 buttons.
Front panel terminal connectors:
- audio out at high / low impedance
- control voltage for VCO
- control voltage for VCF
- gate control
- external audio process line input
- clock trigger input


Voice
monophonic based on subtractive synthesis. A voices is composed by 2 syncable oscillators with individual settings:
- 4 octaves height
- volume
- tuning .

Oscillators
voice board generates 7 main waveforms with intermediate shapes:
- triangle
- saw
- saw 2X
- various % rectangle pulses

Performance
- glide legato mode switch
- decay on/off
- keyboard octave selector
- cutoff knob

Filter
VCF is a 4 poles resonant (up to auto-oscillation) filter based on SSM-2040 chip.
A keyscale function on filter can be engaged.

LFO
a single oscillator (tri / sqr) modulates :
- VCO pitch
- VCF cutoff

Envelope
- EG1 VCF
- EG2 VCA

Sequencer
a 2X 8 steps with internal frequency rate controlled by relative LFO potentiometer.

Memory
- 16 memory slots
The memorized sounds can be also be played in sequence rotate, damn nice for some electro patterns also syncable to external trigger input clock


Audio demo:

NO DEMO FOR NOW


Video Clip:

video clip


Review
OK: powerful / sequence / filter /eg / holy grail!
NOT: ultra-rare / expensive
"A strike of genius: smart, powerful, fast, deep, beautiful...THE FRENCH TOUCH!"

cool


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Text , review, special demos copyright polynominal.com / Eric Pochesci

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