Bubblesound HP40 Eurorack Filter Module (Black)

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Bubblesound HP40: Surgical High-Pass Precision The HP40 is a specialized 4-pole high-pass VCF that brings the legendary punch of a transistor ladder circuit to the high-frequency s pectrum. With a steep 24dB slope, it is the perfect tool for carving out space in a complex patch, allowing leads and percussion to cut through the mix. Beyond utility, the HP40 is a creative instrument; its resonance is tuned to be aggressive and liquid, capable of producing searing acid-style sweeps or acting as a stable sine-wave source when self-oscillating. Key Features: 4-Pole Transistor Ladder: Classic analog circuitry optimized for high-pass response. Powerful Resonance: Adds harmonic excitement and "ping-able" percussive qualities. Mix Master: Essential for removing DC offset or low-frequency rumble from external audio. Full CV Control: High-resolution tracking for cutoff frequency modulation. Professional Black Aesthetic: Sleek, black-anodized faceplate with high-contrast labeling. Technical Specifications: Width: 8HP. Depth: 25mm (Skiff friendly). Slope: 24dB/octave. Current Draw: +20mA (+12V), -20mA (-12V). Show more