Sounds like you have had some expensive learning experiences. The
easiest solution is to put a 2-3 dB pad between the output of the K3 and
the input of your amp. Look on eBay; you can find various combinations
of connectors and loss ratings. They are not expensive.
-de John NI0K
dgb wrote on 11/16/2019 12:46 PM:
I run a lot of rtty and digital with my K3. I always set the amp to
the mid range getting 8-900w out. It takes only 8-11 w drive from the
K3 to accomplish that.
Note: SPE recommends to run the amp in Mid Range for digital
operation. When I first got the amp I made the mistake of running it
in the high range and melted the copper heat sink, which was not
considered a warranty repair, and was an expensive lesson learned.
Over the course of the 3 yrs. that I've owned the amp, I have blown
4 LPA's in the K3 running it at 8-11w. With latest repair the tech
informed me that the "LPA is not rated for continuous duty at upper
power levels (like the digital Modes)" They suggested running 13w vs
11w so the LPA wouldn't be used. If I do that it over-drives the SPE
in the mid-range.
What is my suggested recourse?
thanks 73 Dwight NS9I
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