For my uses (and until the 2M goodies come along) a BCB-blocking
highpass filter and a 6M preamp are about the only things the 5000A
really needs added to the front end. The receiver is otherwise truly shiny.
In order to address both needs without manual gadget-switching, it seems
to me you could go about it one of two ways:
(1) Put the BCB-block highpass in the main feedline and an unswitched 6M
preamp in the RX1 loop. This has the advantage of being simple, but the
disadvantage/expense of requiring the BCB filter to be able to handle
transmit power.
(2) Put the BCB-block highpass and a *switched* 6M preamp in the RX1
loop. (single box?) Advantage being cheaper/smaller components in the
BCB filter, disadvantages being the expense/complexity of bypass relays
in the preamp stage and the requirement to switch the relay power off/on
when changing bands HF-6M.
Opinions on which would be "better", or perhaps other alternatives?
Thanks,
--jim
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