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Buchla-compatible module featuring two identical analogue VCS3-style ring modulators that each generate sum and difference frequencies from dual audio inputs, remove the original tones, and produce rich, inharmonic textures ideal for metallic, dissonant, or experimental synthesis, with fully independent operation, stereo capability, and precision analogue circuitry tuned for complex waveform processing.
At a glance
- Two identical VCS3 analogue ring modulators
- Generates sum and difference frequencies while removing original tones
- Produces inharmonic and metallic textures with complex waveforms
- Fully independent modulation sections for stereo or parallel use
- Precision analogue circuitry with minimal channel bleed
- Compatible with Buchla system audio signals
- Ideal for experimental, metallic, and bell-like sound design
The Soundfreak Dual Ring Modulator is a 4U Buchla-compatible synthesiser module featuring two identical VCS3-style ring modulators housed within a single panel, built for creating rich metallic timbres and experimental textures.
Overview
Each ring modulator in the module is based on the classic VCS3 circuit, renowned for its unique ability to produce sum and difference frequencies from two input signals while eliminating the original tones. This method of modulation creates a wide palette of inharmonic textures, making it ideal for sound design that leans into metallic, bell-like, or dissonant territory. The module accepts a broad range of audio signals including sine, sawtooth, triangle and pulse waves, and responds particularly well to harmonically dense waveforms. When combining sawtooth or pulse waves, the unit outputs highly dynamic, clangorous results due to the interaction of their harmonic spectra. Each of the two modulation sections operates independently but identically, offering full stereo or parallel modulation paths for more advanced patching scenarios. Input and output levels are finely tuned to maintain signal integrity across the audio spectrum, and the circuitry provides precise tracking and minimal bleed between channels.
Technical Highlights
The Soundfreak Dual Ring Modulator suits complex modular environments, providing advanced timbral shaping without the need for menu-diving or digital control. This purely analogue circuit delivers immediate and musical results, enabling nuanced manipulation of audio-rate signals. With its faithful emulation of the VCS3 topology and dual-operator format, this module supports advanced stereo processing, cross-modulation, and layered textures, making it an indispensable component for experimental synthesis workflows.