The difference in gain between the amps, as far as picking up a very weak signal, is largely irrelevant. The important factors in that particular circumstance is the cumulative effect of the antenna's net (realized) gain and the noise figure of the preamp.
When it comes to noise figure, the KT200 will offer almost a 2 dB improvement based on memory. It's been a few years since I tested one.
Last edited by ADTech; 18-Oct-2015 at 9:16 PM.
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