> I am putting together a fairly big amp (4CX3000A) and I've gotten to
> the question ... I'm concerned with reliability and noise.
I've been using 1KV Silicone test lead wire.
http://www.testpath.com/Categories/Silicone-Test-Lead-Wire-3086.htm
I imagine that the 13 Gauge wire (651 micro-strands) would work commensurate
with the 4CX3000A. Even at 5KW, the wire voltage rating is about 50% in a
50-ohm system.
To help prevent acoustical conduction, I connect the wire to each relay
terminal in a single loop. Because of the highly flexible nature of the
micro-stranding, this completely dampens acoustical conduction when the
vacuum relay is shock-mounted on a Silicone sheet.
Paul, W9AC
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