Dave Smith Goes Modular, with a $179 Curtis Filter Module

Eurorack fever continues to spread. The ease of making musical electronics fit the standard, pioneered by Germany’s Dieter Doepfer, and the growing appetite from a small but passionate audience, seems to make producing new modules irresistible. The entire design equation is different: a single task or handful of tasks can become a product. Dave Smith Instruments is the latest entry. And the product is the perfect choice for DSI. It’s a module built around on the Curtis filter, the signature filter found on everything from the 1980s Prophets (back when Dave’s company was Sequential Circuits) to the latest Mopho and …


Open Shruthi-1 Synth Evolves Deep Sound Capabilities, New 4-Pole Filter, Ice-White Case

Inside this compact white box lurks a lot of sonic power and technical prowess. Perhaps that explains why the newest version of the open source Shruthi-1 now sports a crazy-badass wolf dog cartoon with glowing eyes. Since its launch, the Shruthi-1 has gradually evolved new features, with a fairly sophisticated combination of hardware and extensive software. At its core, it’s a “hybrid” synth with digital/virtual analog oscillators and real-analog filter. The digital oscillators allow it to change character, for classic virtual analog subtractive, or wavetable, FM, phase distortion, and vowel synthesis. The big news with the filter is that the …