The set is fused, so no worries there. The 60 bucks was for buying a dozen 25 watt resistors to experiment with, at $4-$6 each. Bill and I started our conversation on this a couple days before I started posting in this thread.
I really appreciate everyone weighing in on this thread, and will be ordering parts today. I'd rather do this job completely and correctly, and I'm thankful for the guidance here