I should add, I've built 3 this way now. 2 run at reduced voltage (7.5v) feeding my Hardrock 50, and the other is a 40-15m "travel" rig that I run at 9V all the time. No known issues with any of them so far, and I've gotten the travel one pretty warm, and run it pretty hard.
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-Nate
N8BTR
