Speaker - A speaker is a device that converts an electrical signal into the equivalent air vibrations in order to make audible sound.. Used PA-500 RV. . Used PA-500 RV. ...
Polarity - The polarity of an object is, in general, its physical alignment. The term is often used to describe the positive and negative ends of batteries and magnets.
In cell biology, polarity ref. Used PA-500 RV. ers to cells not being point-symmetrical in their spatial organization. This is particularly evident for cells organized in single cell layers that separate organs or subcompartments. Used PA-500 RV. in organisms.
In chemistry, molecular polarity refers to the dipole-dipole intermolecular forces between the slightly positive end of one molecule to the negative end of another or the same molecule. Mole...
Amp Racks - An amp rack is any furniture, fixture, or case where multiple amplifiers are mounted in slots or grooves, generally used in touring systems because they are easy to transport.
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Communications - Communication gear is essentially used to relay information to different individuals or teams during a show or performance to insure everything, including audio, lighting and staging are timed correct. Used PA-500 RV. ly and functioning properly and safely. . Used PA-500 RV. ...
Patch Bays - A patch bay is a panel, usually rack mounted, that uses cable connections to allow technicians to quickly change the physical path of a select signal. Generally, shorter patch cables will plug into fr. Used PA-500 RV. ont of the panel, while the back will have have much longer connections to more permanent cables and equipment. . Used PA-500 RV. ...