First of all I¹m new to this forum having just taken delivery of a KPA-500
and KAT-500 pre built by the Distributors in the UK.
What has surprised me is that when either tuning or operating the KPA-500
with WSJT-X there is a very noticeable buzzing noise, not a transformer
hum, from the unit. The Power output LED¹s light up but the last one appears
to flicker at the same frequency as the buzzing.. This happens irrespective
of whether the output is 50w or 300w. The KPA-500 is driven by a Flex-6700.
Grateful to know if anyone else experiences this? I was expecting a very
quiet unit but this buzzing is quite disconcerting.
Dave
G3SBP
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