Pigtronix Echolution 2 Ultra ProPigtronix Echolution 2 combines state of the art analog and digital processing designed to deliver the ultimate delay pedal experience. Echolution 2 achieves the ambient richness of the finest studio delay processors by using 100% analog Class A, discrete transistor limiters as well as non linear tape emulator stages and filters to massage the audio coming through the delay line. Fully capable of handling instrument and line level sound sources, the