Weird grounding on a vintage hifi sideboard
I got a vintage ('64) hifi sideboard for Christmas! It's super awesome.
However, I don't understand the grounding. It has two female inputs on the backside that are labeled as "Grounding". There was also a cable (male to male) that fits right into there.
Did I draw the right conclusion in general here? Is this how grounding is supposed to be established?
Second question is, can I go and buy a EU Schuko and exchange the non-grounded original plug with it while attaching the grounding simultaneously to it? What I'm saying is that I want to combine all four wires into one plug. Is this a good idea? And if not, what else am I supposed to do with that type of grounding? For I can't easily attach it to EU sockets, right?
1 answer
It has two female inputs on the backside that are labeled as "Grounding".
This is incorrect.
Take a closer look at the two connections and you will see that the left is labeled "Antenne" and the right "Erde". That's German for antenna and ground. Symbols for antenna and ground are also shown.
The left socket is therefore for an antenna, and the right for ground. This is probably intended for a two-wire antenna, although you could probably leave the ground unconnected and connect something like a whip antenna to the left socket.
It also looks like there is an alternate connection for the antenna just above the two banana plugs. The flat white cable coming out of that connection looks like a typical "twinlead" antenna cable. If that cable goes off to an antenna, then you probably shouldn't plug anything into the two banana jacks because the antenna is already connected.
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