EAE Hypersleep SBS Reference

The Electronic Audio Experiments Hypersleep is a solid-state analog reverberator. It evokes the immediate acoustic reflections of metal and tile, but with a darker 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 (Note: labeled as Drive on some units)

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

Additional features include buffered bypass soft-touch relay switching, 9V center negative power (180mA current draw), top-mounted jacks.

All Hypersleep units carry a lifetime warranty tied to the original owner.

Bypass: Relay switching with FET-input op amp bypass buffer

We recommend a regulated, isolated power supply rated for 200mA minimum. Our pedals do not accept batteries. Use of an incorrect power supply may cause permanent damage.

Price: $Reference Section Not For Sale
Manufacturer: Electronic Audio Experiments
Voltage: 9VDC, 2.1mm center negative barrel. 180mA current draw
Color: Gold