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Wide Band Video Amplifier
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A wide band video amplifier is a high resolution video amplifier used in some RCA video displays.
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Widescreen Video
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Widescreen refers to a video format that is similar to movie format; widescreen is more rectangular the broadcast formatting, which uses the almost-square 4:3 NTSC format. The terms "16:9" and "widescreen" are sometimes used interchangeably, although 16:9 is only one of many widescreen aspect ratios.
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Woofer
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A woofer is a speaker driver that handles the low-frequency signals of a sound wave.
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