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In Reply to: RE: Don't forget these... posted by KanedaK on May 12, 2016 at 04:57:40
It's a funny thing, sometimes a flat bar like that rides on just the miniscule bumps in the surface and conducts from point A to point B pretty badly. Or maybe only thru the oxide on the surface, even worse for audio!.
I've been working on an electric VW bus, pulling 150 Amps or so from 12x 100 Amp-hour lead acid batteries. We made very nice large diameter OFHC stranded wire cables but then we terminated then with standard flat lugs soldered to the end of the wire. You would not believe how much loss we had between battery terminals and the lugs, no matter how tight we got the bolts. Those terminals got HOT!
We made up a set of dead soft copper rods with the ends pressed flat...problem gone!
Follow Ups:
What metal were the lugs made of? Most I have seen are copper, sometimes zinc plated. Because the lug is soft it compresses. From experience I would prefer a lug as it increases surface area to make a gas tight connection.
I don't know, but I scratched the surface hard to see if it was plated copper, and it isn't. Just plain white metal - no, no, no silver :p
considering these x-overs i'm using are built with high quality components (Hovland Musicaps, Litz-wire coils) I'm surprised the engineer didn't think of providing something better.
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