Electronic Audio Experiments Hypersleep

Sale price$399.99


The Electronic Audio Experiments Hypersleep is a solid-state analog reverberator. It evokes the immediate acoustic reflections of metal and tile, with a gritty timbre and a ringing, fluttering decay—forgoing epic atmospherics in favor of liminality. 

At the heart of the Hypersleep is the unusual and obsolete MN3011 bucket brigade device. Unlike other BBDs with one input and one output, the MN3011 uses an array of staggered delay outputs to produce a smeared-out echo. Feeding this echo back upon itself produces a reverberant texture. The reverb length can be modulated via the onboard LFO for atypical chorus and vibrato effects, or the haunting sound of a room changing size in real time. As always, careful signal conditioning ensures that Hypersleep is friendly to any instrument or line level signal source.  


  • Level: overall effect level, gracefully overloads at higher settings

  • Space: delay time of the BBD, simultaneously controlling six taps on a single delay line

  • Mix: blend of clean and effected signals, from full dry to full wet

  • Feedback: increases the decay time of the reverb; will self-oscillate at extreme settings

  • Rate: modulation rate, from imperceptibly slow to nearly audio rates

  • Depth: modulation depth, from subtle vibrato to warped pitch bending


Version 2 (Fall 2021)

  • Updated filter scheme for improved bandwidth and clock suppression

  • Minor changes to feedback, for a less “boomy” low end response

  • Optimized power supply for reduced current draw and background noise

  • Bypass relay replaced with silent electronic switch

Version 1 (2020)

  • Original release

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