Dr. Scientist Sounds Cosmichorus (Zombies) Fully analog BBD chorus using MN3007 chips Soft touch switching with true bypass using relays Controls include MIX (fully dry to fully wet, fully wet is true pitch vibrato), LEVEL (adjusts the wet signal level, dry signal is fixed at unity), TREBLE (active eq control to cut or boost the treble content of the wet signal), CLOCK (adjusts the intensity of the effect by increasing the delay time), RATE (huge range of rate smoothly distributed on one knob turn), HOLD (adjusts the rise/fall time of the chorus signal when in Hold mode) Stereo in and out (using TRS jacks) with two identical but separate Cosmichorus circuits, can also do mono in stereo out 3 different clock range toggle-switch settings for 3 different intensities of chorus effect, further controlled with the Clock knob