Electro-Harmonix Riddle

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  • Regular price $ 197.30



The Electro-Harmonix Riddle is a powerful and precise envelope filter fine-tuned for guitar frequency response.

Sculpt your envelope to reveal a truly expressive tone, with a defined and unique signature. Riddle will deliver tight and smooth control over the complete 80 Hz to 5 kHz range, with a consistent and even sweetness.

Need some edge? Engage Riddle's analog distortion and dial in anything from subtle bite to dominating crush.

You can even plug in an optional expression pedal to control the filter sweep with your foot. With the ability to adjust Q, sweep range, and filter type, you'll also wind up with of the most versatile wahs available.

Riddle: a mysteriously musical envelope filter for guitar.

  • 80 Hz to 5 kHz frequency response tailored for guitar
  • Optional expression pedal control
  • Fully-analog circuit
  • Switch selectable analog distortion designed for guitar
  • Start and Stop sweep control
  • Low Pass, Band Pass, High Pass filter select
  • Start and Stop for filter sweep and Q control
  • Separate Dry and Effect outputs
  • 9.6VDC 200mA power supply included
  • Dimensions in inches: 4.75 (w) x 5.75 (l) x 2.5 (h)
  • Dimensions in mm: 146 (w) x 121 (l) x 64 (h)