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Hold off on the preamp and see what just the antenna does.
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OK, good. I think a preamp might help. If you pick the Juice, add an FM trap between the antenna and the input of the preamp.
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A question is would a preamp near the TV do much good?
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A preamp near the antenna would give better results than a distribution amp near the TV. You are familiar with the Noise Figure (NF) of a preamp, the lower the better. There is also a total system Noise Figure based on all the components. When you put a preamp with a low noise figure near the antenna, it primarily determines the NF of the whole system. To satisfy your curiosity, try it both ways. An indoor distribution amp is primarily used to make the signals stronger for splitting to more than one TV. You don't usually need a preamp and a distribution amp.
COMPARE System Noise Figures
With and Without Preamps
http://imageevent.com/holl_ands/file...=0&w=1&s=0&z=4
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Since it has to be plugged in, that is really the first spot where it would be viable as where the cable enters from the roof, it is basically directly down to the TV.
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A preamp comes in two parts; the preamp itself near the antenna, and the power supply/power inserter inside near the TV. The coax between the preamp outside and the power supply inside carries the DC power up to the preamp and carries the signals down to the TV. No power outlet is needed outside.