MOS-LAB Kobol Expander III RSF SN 3561

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via this auction

"A stunning recreation of the RFS Kobol Expander synth, made by the genius company MOS-LAB. Everyone who used this along the original RSF Kobol side by side says they sound absolutely spot on. There's on Kobol Expander being sold at 10K on Reverb right now... This one is even more rare, as only about 30 were ever made.

Super snappy, big bass and morphable waveforms. Since the waveform morphing is made with a discrete waveshaper, the volume isn't consistent during the sweep. The original responds like this, too, but it got me by surprise so I'm mentioning it, so that you don't have to do your research ;-) The filter is super smooth and liquidy.

The synth comes in a Moon Modular rack, with a standard PSU."

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Mos-Lab rsf Kobol Expander III Synthesizer

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via this auction

"Very rare Mos-lab rsf expander III 5u modular synthesizer.

Like new and works perfectly. Also included rack 19'' box with power supply."

MOS Lab Kobol Expander III Super analog clone of the Kobol Expander s/n 17 of only 30

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via this auction

"Made in France like the vintage RSF Kobol Expander.

Only 30 of these beauties was ever made. This is serial 17."

Mos-Lab Kobol Expander III w/ Wood Side Panels

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via this auction

"Unique chance to grab one in such a good shape, as those are no longer produced by Mos-Lab. I also owned an original Rsf Kobol Expander I and did some blind tests between both: impossible to perceive any audio difference, as Mos-Lab masters the vintage re-creation of legendary sounds."

You can find demos in previous posts here.

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MOS-LAB KOBOL EXPANDER III DEMO2

Mos-lab Kobol Expander 3
RSF Polykobol 2 (strings pad)
Vlinn (bassdrum, snare, hithat)

Sebastian Moumon is the man behind MOS-LAB.

This one in via Soviet Space Child.

Mos-lab Kobol Expander III - demo 2

Published on Sep 20, 2014 seb17320

Mos-lab Kobol Expander 3
RSF Polykobol 2 (strings pad)
Vlinn (bassdrum, snare, hithat)

Mos-lab Kobol Expander III demo1

Published on May 4, 2014 seb17320·18 videos

Mos Lab to Clone RSF Kobol Expander II - New Kobol Expander III

via sequencer.de

"This time the most known RSF synth – the Expander II – will be cloned by the F-based Mos Lab in 5 and 5U Racks incl. a second LFO and pink noise generator – should be available by the end of this year (2014) -> Forum • Mos Lab. Kobol Expander III."

Update via technopop.info in the comments: "The unit on top is an RSF Expander. The MOS-LAB Expander III clearly has the (I) feature set, not the Expander II feature set."