folktek-alter

Folktek Alter

Seven DSP effects with CV-controlled chaos and color

16 HP Eurorack module

Folktek Alter is a stereo DSP effects processor for Eurorack featuring 7 unique, meticulously designed effects selected via capacitive touch pads. The module provides stereo inputs with independent level/gain controls, a wet/dry mix knob, a variable filter, and two independent effect parameter controls (X and Y) that map differently depending on the selected effect. A unique clock control adjusts the DSP sample rate for lo-fi degradation effects. All main parameters have CV inputs for voltage-controlled modulation. Mono input is automatically made stereo within the DSP. Available in two versions (Alter 1 and Alter 2) with entirely different effect sets. 16HP, +12V: 160mA.

Features

  • Seven unique DSP effects selectable via hexagonal touch pad
  • Stereo inputs and outputs
  • Separate left and right input level/gain controls with mute capability
  • Input peak/clipping indicator LED
  • Mono input automatically converted to stereo within DSP
  • CV inputs for Mix, X, Y, and Sift parameters
  • Clock control for DSP rate manipulation with deliberate quality degradation
  • Per-control and per-CV visualization on the control panel
  • Mix knob for dry/wet blending
  • X and Y knobs control rates, feedback, and time per effect
  • Sift parameter provides filter variation per effect
  • Includes printed manual

Controls & Jacks (23)

  • In L Level
  • In R Level
  • In L
  • In R
  • Out L
  • Out R
  • CV In L
  • CV In R
  • Touch Pad 1
  • Touch Pad 2
  • Touch Pad 3
  • Touch L
  • Touch R
  • Center Control
  • Rate L
  • Rate R
  • Rate L Depth
  • Rate R Depth
  • Mix
  • Filter
  • Clock In
  • Mix LED
  • Filter LED

How-To Guides

  • Selecting and Dialing In an Effect
  • CV-Controlled Filter Sweep Across Any Effect
  • Lo-Fi Degraded Delay with Clock Manipulation
  • Lush Shimmering Reverb Pad
  • Live Stutter and Glitch Performance
  • Granular Texture from Rhythmic Source
  • Distorted Filter Bass Processing
  • Harmonized Pitch Delay Melody
  • Wide Stereo Reverb Field

Explore the interactive Alter panel on BleepDex — tap any control to learn what it does.

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