For your consideration a 2010s Lovepedal Tremelo! Lovepedals are known for their awesome drive pedals as well as high quality builds. Their Tremelo pedals is a super straight forward Tap tempo Tremolo! Level, Depth, Rate and selectable wave form! Flip the switch all the way to right for that classic square wave on-off trem! Small enough to slip onto any pedal board. Awesome pedal, currently not in production.