I hold doomed to failure video reception on the bring to a close of 100' RCA cable.?
Answers: line amplification is not going to assist. you need to find a different transport for the atmosphere. If you cannot use anything else besides composite turn it into coax( I hope it is 70 ohm video cable because that could be your problem too). run the input into a RF modulator and on the other end use a VCR to demodulate the signal.
Or look into a wireless sling for video but these are dodgy. at hand is a network solution for HD but cost is a couple of big.
if the cable is running near any electrical items close to a PC or speakers it causes distortion from an electric appealing field.a better part cable maybe needed or you could try rap the hole length of cable in tin foil but that take a long time.Ive also noticed that confident types of energy good bulbs left on any where on earth in the house can motive distortion
I would strongly recommend you use a different connection excluding composite. If you can do Component or at least S-Video, you will hold better quality over that distance. (or a digital interface live DVI/HDMI)
This would produce better part than using line amplification on Composite.
find better cable, maybe rg-6 cable beside adapters on the ends, or put the dvd near the projector, and run the digital audio through a coax cable. or put the dvd player surrounded by the middle of the projector and the dolby amp.
MIKE
The last couple answers are correct. RCA cable is poorly shielded and 100' is almost resembling an antenna for whatever electrical signals are surrounded by the area. Shielded coax, resembling RG-6, is designed to reduce that exact problem. Although coax usually uses BNC connectors, you can glibly buy BNC-RCA adapters to make it work.
Also, video is vastly specifically defined in proclaim for it to work consistently. So putting an amplifier at the head wrapping up will only overdrive your projector's input which make the picture look washed out. Meanwhile, that 100' unshielded "antenna" is STILL picking up junk along the way.
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