The BF-22 VCF is a dual Hi/Low-pass filter inspired by the Sallen-Key filter from the early MS-20. DISCLAIMER: This filter brings to your modular system the character of early MS-20 sound: Kick-ass-rocking-dirty screams! It inherited not only it's amazing sound, also MS-20 noise floor. If noise floor is an issue for you, this might not be your filter. Features: Dual-channel Sallen-Key Filter. Inspired by the early MS-20 High and Lowpass operation. Two CV inputs per channel with a dedicated atenuverter for the first one. CV controlled resonance. The first channel can be linked to the second one with the "Link" switch. Specifications: Current needs: +12V: 40mA, -12V: 20mA Width: 17 HP Depth: 30mm (including power connector) Aluminiun, heat-treated front panel Designed, kits prepared and completed modules assembled in Barcelona.