We saw the hooha around a sneaky peak during the Pro 2 promo video from Dave Smith, and today at Summer NAMM 2014, Dave Smith Instruments today introduced the DSM01 Curtis Filter module,
Details are only what I have gleaned from the press release which just dropped
The module takes its name from the original filter chip designed by the late Doug Curtis and provides both a switchable 2/4-pole low-pass filter and a VCA. The Curtis filter is an integral part of the sound of many synthesizers created by Dave Smith, including the classic Sequential Circuits Prophet-5and Pro-One, and more recent instruments such as the Evolver, Mopho, Prophet '08, and Prophet 12.
"We wanted to make the classic Curtis filter sound, which I've always found very versatile and expressive, readily available to modular users" Dave is quoted as saying.
What we do know:
The module is a standard 8HP wide, Eurorack-format device with interconnections made using 3.5 mm phone jacks. A carefully designed set of inputs and parameters allows voltage control of filter frequency and resonance. Filter slope is selectable between -12 dB and -24 dB. The module also provides its own VCA and features two separate outputs for the filter -one pre-VCA and the other, post-VCA. A unique feature of the filter is a Boost function that introduces harmonic distortion into the signal for more aggressive coloration.
Our Curtis Filter module is our first, but significant contribution to that world. We think modular users are really going to get a lot of sonic mileage out of it.
The DSM01 module will be available in August of 2014 with a MAP of $179.
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Justin Owen gives us an in depth look at the multifunctional module