From Sega Retro
The Sega-Vision (not to be confused with the handheld Sega Vision system) was a US television set created by Sega and was the company's first product meant for the home. It was designed by Earl "Madman" Muntz in 1976, a businessman known for wacky television adverts and for coining the phrase "TV" in America. The Sega-Vision was notable for being significantly bigger than most TV sets at the time (featuring between 44" and 50" diagonal-inch screens and cabinets standing between five and six feet.) Sega used then-Los Angeles Dodgers' first baseman Steve Garvey to promote the television set in TV advertisements.
Three models of Sega-Vision were produced:
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