Bubblesound SEM20st Eurorack Filter Module (Black)

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Bubblesound SEM20st: The Soul of Vintage Filtering The SEM20st is a compact version of the classic SEM-inspired filter, offering the smooth and airy response that makes Oberheim-st yle circuits so desirable. The module features a "State" control that allows you to transition smoothly from Low Pass to High Pass, passing through a deeply musical Notch filter in the center. Because the SEM architecture is state-variable, it offers a wider, more open soundstage compared to traditional transistor ladders. Housed behind a premium black-anodized faceplate, it is an essential VCF for those seeking rich, vintage-inflected textures. Key Features: 12dB Multi-mode Architecture: Classic state-variable design for versatile sound sculpting. Seamless State Morphing: Single-knob control to move between LP, Notch, and HP modes. Musical Non-Resonant Drop: Does not cut low frequencies as resonance is increased. CV Control: High-resolution inputs for cutoff frequency modulation. Professional Black Aesthetic: Durable black aluminum finish with high-contrast labeling. Technical Specifications: Width: 6HP or 8HP (Depending on version). Depth: 25mm (Skiff friendly). Filter Type: 12dB/octave State Variable. Current Draw: +30mA (+12V), -30mA (-12V). Show more