Dr Scientist - Dusk Analog Filter

Dusk is a digitally controlled analog filter. At its heart is an analog 12dB/Octave low pass filter based around an old-school integrated circuit called an Operational Transconductance Amplifier or OTA. The OTA runs off of split +/-9V rails for great audio quality and a deep filter sound. The digital side brings a whole bunch of convenient and powerful features like controlling the filter setting, tap tempo, MIDI, 6 LFOs, and a platform for all the best filter modes in one small pedal. Features 3 Filter Modes, 6 LFO Waveforms in a small form factor High quality analog signal path Premium parts and components throughout True Bypass with soft touch relay switching MIDI implementation of all digital controls Expression pedal/CV control over Filter Cutoff Top mounted audio and power jacks Designed and handmade in B.C., Canada Knobs FILTER – Mode dependent. Controls Filter Cutoff or Filter Range. RESONANCE – Analog feedback control adds resonance to filter. VOLUME – Analog volume control. MODE – Select 1 of 3 operating modes (Cutoff, Envelope, LFO). WAVEFORM – Select 1 of 6 waveforms for LFO Mode. MULTI – Mode dependent. Automated Filter Sweep, Envelope Freeze, LFO Speed Ramping. BYPASS – Engage or disengage the effect Operation Input/Output Impedance: 500kΩ/1kΩ 150mA @ 9VDC, 2.1mm centre negative plug True Bypass with soft touch relay switching Additional Specs Mono input, Mono output, TRS Expression input/TS Control Voltage input Filter Control: +/-24dB analog, resonant low pass filter Exp Input: TRS cable, any resistance All analog signal path Dimensions: 70mm wide, 129mm long, 59mm tall (2.75” wide, 5.1” long, 2.3” tall)