Available as an assembled Module and as a DIY project.
This Module is currently available.
Black panel for Synthrotek Stereo Out
These merchants probably sell this module. Huh?
Included in 5 Racks, 4 are public:
Rupert Neve Designs Portico 542 500
Unknown Okoume Wood SSS DIY Project
Boss DD-7 Digital Delay
Slingerland BD Spurs
Hondo HLP-LP2G
Peavey Dyna-Bass