Tag: how to spl

  • Audio Styles and Competitions

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    SPL METERING: A sound level meter (also called sound pressure level meter or SPL) is used for acoustic measurements. The diaphragm of the microphone responds to changes in air pressure caused by sound waves. That is why the instrument is sometimes referred to as a sound pressure level meter (SPL). This movement of the diaphragm,…

  • Audio Formats and Classing

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    MECA has a SPL class calculator to determine your competition class. MECA and other organizations have online rule books containing all the general rules as well as formats and classing restrictions in each, here some restrictions that are helpful to understand and are pretty standard for most competitions. Vehicle/Build Type: TRUNK: Includes builds confined to…

  • Audio Comp General Rules

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    Basic Terminology Hertz – The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI) and is defined as one cycle per second. Bandwidth – the span of frequencies your car audio system can play most efficiently.  Your bandwidth is typically your peak frequency plus or minus 5Hz. Run a sweep on a meter to get exact data. Example: Peak is 39Hz,…