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:
Electro-Voice ETX-10P 10" 2-Way Powered
Fender Tone Master Princeton Reverb
Moog Minitaur Rev2 TBP002
Hammond 12AX7
Martin D-18GE Golden Era
Jin Ho Keystone