Patches for the original OP1 r246 firmware. New synths, drum, fxs, sequencers. Sample editor, improved tape tools and other cool features & bugfixes. Use at your own risk & have fun.
OB-Xf is a continuation and modernatization of the last open source release of OB-Xd by 2DaT and later discoDSP. It is inspired by the venerable Oberheim OB-X. Get the nightly https://github.com/surge-synthesizer/OB-Xf/releases/tag/Nightly