EARTHQUAKER DEVICES LEDGES reverbLedges is a three mode reverb with the ability to save and recall six presets and user assignable expression control with loads of customizable options. From classic, standard reverb tones to undiscovered sonic reaches, it's everything you've ever wanted and needed out of a reverb. The three switchable modes each deliver a unique blend of reverb, but are connected through a spectrum where the Room (R) reverb's longest setting is the Hall (H) reverb's