Ola

Chorus & vibrato

Hand crafted dBucket algorithm for highly accurate reproduction of every stage of an analog bucket brigade chip.
3 modulation types (Single Delay-Line Chorus, Three-Phase Multi Delay-Line Chorus, Vintage Vibrato Circuit)
3 dynamic modes (Normal, Envelope, Ramp)
Global Tone control for the overall color of your modulation
Mix control for dialing in the intensity of your modulation
Controllable Ramp speed and Envelope sensitivity

Super low noise, high performance 24-bit 96kHz A/D and D/A converters
110dB signal to noise
+8dBu maximum input level easily handles instrument and line signals
20Hz to 20kHz frequency response
Premium analog front end and output section
Super high performance SHARC DSP in a compact form factor
32-bit floating point processing

True Bypass (electromechanical relay switching)
9V center negative DC, 250mA current draw

http://www.strymon.net/products/ola/