Imagine a synthesizer where eight individual pitch sliders let you bend and sculpt polyphonic voices in real time, turning traditional playing into a tactile dance of harmony and texture. From North Carolina's GLX Audio, this prototype reimagines modal synthesis for players craving hands-on control over every note.
At its core, Balsam delivers 8-voice virtual-analog polyphony through a digital engine, paired with a stereo analog state variable filter and VCA for warm, responsive tone shaping. The standout experimental slider interface includes arrays for pitch bending each voice, slider-tracked stereo panning, and key-tracked modulation, plus glide and viscosity effects with per-oscillator articulation speeds for phasing and thickening tones. An 8-channel polyrhythm sequencer, LFO, mod matrix, and mod envelopes fuel rhythmic and timbral exploration, with MPE output, external audio input, L/R 6.35mm line outs, headphone jack, USB-C and 5-pin MIDI, clock sync, and expression pedal all in a compact desktop format. Just and equal intonation modes plus browser-based tuning round out its versatile hybrid design.
Early demos and community buzz highlight its gorgeous, Buchla-inspired look and immediately satisfying sounds, especially for ambient and soundtrack work—the polyrhythmic sequencer draws praise, though some note a niche focus on glide-heavy timbres and computer-dependent tuning as potential quirks. Indie synth fans are already dreaming of it.
