The revival of the VUMP! October 13, 2020 colinLeave a comment The Voltage-Unit Meter Pedal (VUMP) has been revived from what many of you saw on YouTube. The “Mini-VUMP” will be only 2″ x 2″ x 1″ and has been completely overhauled from that video of the prototype. See more info here on the Mini-VUMP project!!