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Yellowcake’s Psychotropia takes waveforms into new realms of weird

(Image credit: courtesy of Yellowcake)

Yellowcake has introduced the Psychotropia, a sample/hold filter that unlocks the door to some truly tweaked-out tones.

The pedal offers a trio of waveform modes—rising, falling and rising and falling—accessible via a three-way toggle, as well as a glide knob for adjusting the intensity of the waveform. 

There’s also a hi/low EQ cut that interacts with the sample and hold pattern, as well as a toggle for choosing either lin (hard-edge, square linear) or log (softer-edged logarithmic) waves.

Additionally, the pedal features tap tempo for on-the-fly rate adjustments and a resonance control for feedback oscillation.

The Psychotropia is available for $229. For more information or to purchase, head to Yellowcake.

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.