PPG Realizer

Only two of these were ever built, making it one of the rarest glimpses into a synth revolution that never quite happened—PPG's bold 1986 vision of the ultimate digital studio in one box.

This all-digital powerhouse packed analog modeling, FM synthesis, wavetable engines drawn from PPG's Wave lineage, and sampling capabilities into a single system, complete with sequencing, multi-track recording, effects processing, and mixing. A built-in monochrome monitor displayed virtual emulations of classics like the Minimoog, with surrounding knobs and controls letting you tweak them in real time, patching components across modules for hybrid sounds. No keyboard, just MIDI control from a sleek control desk linked to separate sound processors and hard disk storage—pure prototype ambition from Wolfgang Palm's final PPG project.

Synth collectors whisper about its ahead-of-its-time genius, though the $65,000 price tag and tech hurdles kept it from production, sealing PPG's fate. If you're chasing history, this unicorn still sparks awe for pioneering what we'd later call virtual synths and workstations.