ESP/envelope follower

1. Control section
   Input signal level
   Low cut frequency
   High cut frequency
   CV adjust
   Threshold level
2. Input & output
   Signal in
   Amplifier out
   Band pass filtered out
   CV out (F/V)
   ENV out
   Trig out
3. Indicator (LED)
   Peak indicator
   Trigger indicator

Panel by MA.

• ? mA +12V
• ? mA -12V
• ? mA 5V

No info about availability.