The EarthQuaker Devices - Hummingbird Tremolo is a classic, amp-like effect. Wack the depth all the way clockwise to produce a full chop. All the way counterclockwise produces no chop and the Hummingbird can be used as a simple JFET booster. Toggle switch selects: Mode 1 is slow, Mode 2 is mid tempo and Mode 3 is fast. Excellent design and concept from EarthQuaker Devices.
- Depth adjusts how much the oscillator affects the signal
- Mode is a way toggle switch which selects the range of the oscillator
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Rate adjusts the speed of the oscillator
- Level adjusts the output volume.
- Expression Jack uses an expression pedal to adjust the rate with your foot.