OK, apologies, not a KPA500, but -
My HB model EB27A kit from CCI drives well to 270w with 10w from
either my KX3 or the K3/10. Recent check-ins to the Elecraft SSB Net
have been with my K3/10 driving the AN762 kit from CCI to 120w with 5.5w drive.
I have removed the old open-frame DPDT TR relay and building up the
TR pcb that I custom designed with pc relays to install on my 270w
PA. About time to install it in an enclosure and add LP filtering
after sitting like a "beached whale" with heat sink down and circuits
exposed.
Go to "kits by kl7uw" for photos.
73, Ed - KL7UW
http://www.kl7uw.com
[email protected]
"Kits made by KL7UW"
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