Purple Audio Lilpeqr A two-band program EQ. Designed to work in standard “500″ racks. Designed by Eisen Audio for Purple Audio. The LILPEQr emulates the colorful 3D richness and useful responses of our favorite vintage tube (aka valve) program EQs (namely, the Lang PEQ-1 and the Klangfilm RZ062), but in a compact, solid-state format. The [...]