Onbester International

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 Full article:RSF Blackbox SN 13437 Read more [...]
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