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Q&A Weird grounding on a vintage hifi sideboard

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 t...

posted 4mo ago by Olin Lathrop‭  ·  edited 4mo ago by Olin Lathrop‭

Answer
#3: Post edited by user avatar Olin Lathrop‭ · 2024-01-06T15:59:22Z (4 months ago)
  • <blockquote> It has two female inputs on the backside that are labeled as "Grounding".</blockquote>
  • This is incorrect.
  • ![Image_alt_text](https://electrical.codidact.com/uploads/ix45s7gx30qdiqo5i6woaz8urpqj)
  • 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 alread connected.
  • <blockquote> It has two female inputs on the backside that are labeled as "Grounding".</blockquote>
  • This is incorrect.
  • ![Image_alt_text](https://electrical.codidact.com/uploads/ix45s7gx30qdiqo5i6woaz8urpqj)
  • 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.
#2: Post edited by user avatar Olin Lathrop‭ · 2024-01-06T15:55:28Z (4 months ago)
  • <blockquote> It has two female inputs on the backside that are labeled as "Grounding".</blockquote>
  • This is incorrect.
  • ![Image_alt_text](https://electrical.codidact.com/uploads/ix45s7gx30qdiqo5i6woaz8urpqj)
  • 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.
  • 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 connection. If that cable goes off to an antenna, then you probably shouldn't plug anything into the two banana jacks because the antenna is alread connected.
  • <blockquote> It has two female inputs on the backside that are labeled as "Grounding".</blockquote>
  • This is incorrect.
  • ![Image_alt_text](https://electrical.codidact.com/uploads/ix45s7gx30qdiqo5i6woaz8urpqj)
  • 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 alread connected.
#1: Initial revision by user avatar Olin Lathrop‭ · 2024-01-06T15:52:37Z (4 months ago) 
<blockquote> It has two female inputs on the backside that are labeled as "Grounding".</blockquote>

This is incorrect.

![Image_alt_text](https://electrical.codidact.com/uploads/ix45s7gx30qdiqo5i6woaz8urpqj)

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.  

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 connection.  If that cable goes off to an antenna, then you probably shouldn't plug anything into the two banana jacks because the antenna is alread connected.