ContributionsMost RecentMost LikesSolutionsRe: new tv old cable box I have called cox and they said I need a new contour s box as my box is 6 years old. and a new cox remote.Thank You Re: new tv old cable box it is hdmi the other tv was not new tv old cable box I just bought a new Smart TV. My cox cable box is about 6 or more years old. My old TV is 12 years old. Do I need a new cable box to hook up to HYDMI*?