Rupert Neve Designs 542 Portico Analog Tape Emulation 500 Series ModuleThe ultimate "color box". As a 500 series follow up to the Portico 5042, the 542 delivers the same thick, musical simulation of tape while drastically enhancing creative control via a number of new features. In addition to the the "true tape" circuitry great for bringing out 3rd order harmonics the 542 incorporates a soft clip circuit that tames the harshest sources and enhances 2nd order harmonics, a variable and versatile Silk Texture circuit for