While the cardioid polar pattern is undoubtedly the most often used in live sound applications (after all, the ubiquitous Shure SM57 and SM58Â® microphones are both cardioid types), thereâs a case to be made for models that, with the flip of a switch (or the changing of a head) offer directionality options.
Sun Belt. or. southern tier of the United States, focused on Florida, Texas, Arizona, and California, and extending as far north as Virginia. The term gained wide use in the 1970s, when the economic and political impact of the nation's overall shift in population to the south and west became conspicuous.
The designation âRust Beltâ originated at this time because of the deterioration of the industrial region. States primarily associated with the Rust Belt include Pennsylvania, Ohio, Michigan, Illinois, and Indiana. Bordering lands include parts of Wisconsin, New York, Kentucky, West Virginia and Ontario, Canada. Some major industrial cities of the Rust Belt include Chicago, Baltimore, Pittsburgh, Buffalo, Cleveland and Detroit.