Lounsberry Pedals WGO-1 "Wurly Grinder" electric piano overdrive"Wurly Grinder" electric piano overdrive,The Wurly Grinder was designed to give tubelike grit and authenticity to modeled and sampled electric piano sounds. It is a gain staged preamp with Germanium diodes. The onset of overdrive is gradual, but it adds compression and 2nd order harmonics. The lively top end adds a little sparkle. This brother to the Organ Grinder is the electric piano Overdrive you've been waiting for. Smooth and tubelike, it was