A point of concern when using a non-Elecraft transceiver, be sure to set
the correct value of power from the transceiver to the amp when the amp
is active in operate mode I find that 20 to 25 watts is adequate to
drive my KPA500 to rated output. With a different transceiver, I have
switched it to drive the KPA500 and failed to reduce the power to the
correct value. Although I've not damaged my amp nor my transceiver, I
really don't want to find out what might occur. I know there is some
protection built into the KPA500 for overdrive, but I prefer not to
activate it.
With my K3S, when I switch the KPA500 to Operate, the transceiver is
automatically reduced to the correct power to drive the amp.
73
Bob, K4TAX
On 9/1/2019 2:29 PM, Lyn Norstad wrote:
UPDATE:
I received my 6 week old KPA500 back from Elecraft on Friday. The
good news is that it seems to be working as it should (rather than as
it was …). The bad news is that in its 6 weeks of life, it spent 4
of those weeks back in the Elecraft hospital undergoing major (?)
surgery.
When it faulted and blew out the front end on my IC7300, it also took
out its own TR circuit as well as its PA module. Seven components
were found to be defective, and one was actually missing.
I’d be curious as to how “missing” happens … on a totally factory
built unit.
73
Lyn, WØLEN
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