The way I solved it was to have the cable people up the power coming
in.

Where's the best place to put a cable signal amplifier?

Here's what I have:

The incoming cable is split right after the cable modem tap with a
three way splitter. One of the lines off the three way goes from the
basement to the attic of a two story colonial where it is again split
with a three way spitter. This feeds 3 TV's on the second floor.

My main question is this: Is the problem with splitters/long runs just
an signal amplitude issue that an amp can fix either before or after
the degradation, or does the signal actually lose quality that even an
amp can't fix if placed after the splitter/long run?

The answer to that question will help me determine the placement of an
amp if I want to boost the signal for the 3 TV's on the second floor.

1 - At the main cable before it is split in the basement (1 In - 1 Out
amp, then the 3 way)
2 - In place of the 3 way in the basement (1 In - 4 Out amp, no
splitter)
3 - At the beginning of the long run to the attic (After the 3 way,
then 1 In - 1 Out Amp)
3 - In the attic before the 3-way splitter (1 In - 1 Out Amp, then the
3 way)
4 - In place of the 3 way in the attic. (1 In - 4 Out amp, no
splitter)


Thanks!