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Product Overview
Sinevibes' Hollow is a feedback delay network reverb designed for Korg's compact hardware synthesizers. The plugin employs up to 64 internal signal connections to generate spatial processing that extends well beyond conventional algorithmic reverb. This architecture produces a characteristically dense, diffuse tail with natural exponential decay that remains smooth even at extreme settings, where sustain times can exceed 120 seconds without brittleness or digital artifacts.
The sonic signature owes much to Sinevibes' application of modulated unison voices - three phase-shifted sine oscillators applied to the reverb algorithm itself. This creates subtle pitch variations and motion within the decay, adding a sense of three-dimensionality that distinguishes Hollow from typical plate or hall algorithms. The effect sits somewhere between a classic spring reverb's organic character and the shimmer of spectral processing, without veering into obvious artificiality.
Parameter mapping reflects careful consideration of the hardware constraints, with lag filters smoothing all adjustments to eliminate zipper noise during real-time tweaking. The DSP implementation is calibrated per device - prologue, minilogue xd, and NTS-1 each receive optimized code paths that maximize fidelity and prevent CPU strain.
Hollow suits producers seeking lush, contemporary reverb textures within hardware limitations. It excels on pads and ambient material but remains transparent enough for rhythmic content when dialed back. For Korg hardware users accustomed to the platform's native effects, Hollow represents a significant tonal upgrade - offering studio-quality processing that justifies the plugin investment for serious sound design work.