This Module is currently available.
Frequency shifter and ring modulator
Frequency Shifter 285t
https://tiptopaudio.com/manuals/Buchla_&_Tiptop_Audio_285t.pdf
14 Users are observing this
Tiptop Audio 285t$349.32
These merchants probably sell this module. Huh?
Tiptop Audio Buchla 285t Frequency