Module is available as a DIY project only.
This Module is currently available.
Buchla 291 Bandpass VCF
buchla291 is a layout for the Buchla 291 Bandpass VCF, with mods from Scott Stite to include LP and HP as well. One of the few filters to include a 'Bandwidth' control... it does need four VTL5C3 vactrols, however.
No commercial use!
