Eurorack modular synth nuts everywhere are going to flip their lids when they get their hands on the new DSM01 Curtis Filter module from Dave Smith Instruments. Based on the chip design pioneered by the late Doug Curtis, this 2/4-pole low-pass filter and VCA combo has been an integral part of Dave Smith’s synths dating back to the classic Sequential Circuits Prophet-5. Now you can plug this same amazing sound into your Eurorack rig.
DSM01 Curtis Filter Eurorack Synthesizer Module Features:
- A genuine 2-/4-pole Curtis filter for your Eurorack format modular synth
- Selectable -12/-24dB filter slope lets you dramatically alter your tone
- Frequency, resonance, and VCA each include independent CV inputs
- Boost function introduces harmonic distortion for aggressive coloration
- Separate pre- and post-VCA outputs allow for a variety of wiring possibilities



