DUY Dad ValveDUY DaD Valve var den frste digitale simulator af den klassiske valve lyd til digitale arbejdsstationer Features Real valve sound, with its classic warmth, within the digital domain, and with characteristics and control impossible to achieve in conventional valve systems Simulation of the most common valve types triode, tetrode and pentode , with a full range of biasing and operating levels Optimized responses for the 38 most common families of