Source Audio’s Spectrum Intelligent Filter offers a world of tone-sculpting options

(Image credit: courtesy of Source Audio)

Source Audio’s C4 Synth crammed a classic Eurorack modular synthesizer into a compact effect pedal format, and now the company is doing similar work with the new Spectrum Intelligent Filter, which it’s calling an “all-in-one filter extravaganza.”

The list of features is immense, beginning with six onboard envelope filter presets that range from vintage sounds inspired by the Mu-Tron and Lovetone Meatball pedals to contemporary envelopes that incorporate phaser-filtering, distortion and the OC-2 style octave effects.

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Richard Bienstock

Rich is the co-author of the best-selling Nöthin' But a Good Time: The Uncensored History of the '80s Hard Rock Explosion. He is also a recording and performing musician, and a former editor of Guitar World magazine and executive editor of Guitar Aficionado magazine. He has authored several additional books, among them Kurt Cobain: Montage of Heck, the companion to the documentary of the same name.