This Module is discontinued.
Quad AR envelope
The Postman EG is a DIY quad envelope module with 2 inverted outputs and a mixed output for EG1+2 and EG3+4.
this is the complex version with the panel from papernoise
http://cv.hexinverter.net/?page=projects&id=the-postman-eg-v10
Fender Rhodes$4,000
Fender Mustang$199.99
Peter Green Peter Green$12,136.32
Gretsch S1-6514-BNS.U$224.99
Shure M62 Level Loc Audio Level
Analogman ARDX20 Dual Analog Delay