WaveStation SR © 1992 Korg
The WaveStation SR is the final, most compact, and patch-dense iteration of the legendary WaveStation synthesizer lineup. Compressing the immense digital synthesis power of the original keyboard and the 2U WaveStation A/D rack into a sleek 1U rack-mountable chassis, the SR was designed to serve as the ultimate preset module for professional studios and touring musicians.
The core architecture of the SR relies on Korg's pioneering "Advanced Vector Synthesis" and "Wave Sequencing." Vector Synthesis allows the player to continuously morph between four independent waveforms using a multi-stage envelope or real-time MIDI controllers. Wave Sequencing takes this a step further by allowing the module to crossfade through a chronological chain of up to 255 distinct PCM samples or waveforms within a single patch, creating evolving rhythmic loops, shifting pads, and complex soundscapes.
Despite its tiny 1U footprint, the SR packs a massive internal ROM library. It includes 485 embedded waveforms and 30 internal digital effects processors inherited from Korg’s high-end studio gear. The back panel features dual stereo outputs and standard MIDI interface ports. Because of the limited front-panel real estate, Korg optimized the SR for performance by loading it with an unprecedented number of factory presets—over 550 performances—making it instantly usable out of the box.
Maximum Density, Minimal Screen: To fit into a 1U rack space, Korg replaced the large, graphical LCD screens of the original WaveStation and A/D models with a tiny 2-line, 16-character text display. This made programming patches from scratch notoriously difficult on the hardware itself, leading most sound designers to rely on external computer-based MIDI editors.
The Preset King: Because editing was difficult, Korg loaded the SR with more factory patches than any other model in the line. It contains the entire original WaveStation factory sound set, the complete WaveStation A/D bank, and all the patches from Korg's hard-to-find optional PCM expansion cards (such as the Synth & Time Slice and Drum & Percussion cards).
The Sound of the '90s: The WaveStation architecture is responsible for some of the most iconic sounds of 1990s pop culture, including the ethereal textures heard throughout the X-Files television score and the ambient chords found on numerous ambient and techno records of the decade.
Legacy of the Mac Startup: The original WaveStation waveform architecture was heavily driven by Dave Smith (creator of Sequential Circuits and MIDI). A variant of the classic, lush WaveStation pad sound was famously used by Apple engineer Jim Reekes to create the iconic boot chime for the Macintosh Quadra and subsequent Mac computers.