5 Stage Envelope Generator

You need something more than the good old boring ADSRs? We are resurrecting the famous 80ies Digital Synths Multistage Envelopes a la Prophet VS and ESQ-1
• 5 Stage Envelope with 5 Rates (Time) and 4 Levels
• Linear Response with Exponential last Release Stage
• Sustain on any Stage
• Loop forward between any 2 Points
• End of Envelope Trigger Out

• ? mA +12V
• ? mA -12V
• ? mA 5V

No info about availability.