Sunday, February 26, 2017
RSF Blackbox SN 13437
via this auction
"Here’s an Extremely RARE item from the French Synthesizers Made By Ruben & Serge Fernandez in the 70′s…
The RSF Blackbox is a small 18 keys mini synthesizer that can turn your Analog Monophonic Synthesizers into Polyphonic by the use of CV/Gate with both type of Voltage Source as CV Volt/Oct. And/Or Hertz Volts and Both Gate Types as Positive Gate (V-Trigger) or Negative Gate (S-Trigger).
So basically you can control & use every kind of Analog Synthesizer with this unit like Korg, Roland, Yamaha, Kawai, Sequential Circuits, Moog, ARP, Oberheim, Other RSF, Etc…"