Royer R101 Brochure amp Specs. brass instruments and drums the R101's. figure8 pattern also conveys superb ambience and depth when used for room. Microphone Royer R122 MKII Operation Instructions Manual amp User Manual. R122 mkii active ribbon velocity microphone (22 pages)
In an eddy current probe an alternating current flows through a wire coil and generates an oscillating magnetic field. If the probe and its magnetic field are brought close to a conductive material like a metal test piece a circular flow of electrons known as an eddy current will begin to move through the metal like swirling water in a stream.
Steel Steel is an alloy of iron with about 1 percent carbon. It may also contain other elements such as manganese. Whereas pure iron is a relatively soft metal that rusts easily steel can be hard tough and corrosionresistant.