Do i need an antenna amplifier on each tv (one on main floor and one in basement, a new antenna, or what? (My antenna is at least 15 yrs old.) When i installed the digital converter box on the tv on the main floor, the signal is distorted and the sound is fuzzy, even though an amp is hooked to the back of the tv. I just hooked the run of coaxial to the basement up to the outside antenna using a splitter off the antenna into the main floor and the basement. i am getting no signal at all into the basement!. When I hooked the amp to the coaxial out of the antenna before the splitter, there is no signal coming in even on the main floor. PS. Prior to installing the converter box, the analog signal was coming in great on the main floor (I never had the basement hooked up before now to know what the analog signal was like.)