Originally Posted by tluxon
I had assumed that meant all three outputs were balanced and had an equal loss.
That's a reasonable assumption.
...would it be a reasonable gamble to try a simple and fairly conservative in-line amplification of about 10-15 dB in front of the 3-way splitter?
That is certainly what I would try (but I'm not an RF engineer).
In your first post you stated reception was initially okay. Then you replaced a splitter with X loss with another splitter of X+Y loss.
That's the exact scenario that is described in the first response you got:
Originally Posted by ProjectSHO89
In other words, you can keep right on splitting and running cable right up to the point where it fails.
But after that first response, seems like everybody (except kenglish
) tried to answer your all-encompassing title question, rather than focus on the specific situation. Apparently your reception situation and your tuners are right at the "digital cliff". From an old post, someone actually measured signal levels that a particular tuner required for reception:
Originally Posted by dr1394
Also note that the difference between a watchable signal (at 49 dB of attenuation) and no signal (at 51 dB of attenuation) is only 2 dB.
IOW add just 2dB of signal loss, and you could go from viewable to nothing.
That is what ProjectSHO89 was referring to before he (and others) went on about actual/abstract power levels.
Note that 2dB may be the difference between your original splitter loss (-3.5dB) and the 3-way (-5.5dB), but that's just a coincidence.
I have a Channel Plus 3025 ...
That seems to be for only UHF, and you do have some VHF channels. But do try it as an experiment.