FAQs

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How do I know if I need one?

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Power
GND Defender
If you’ll hear audible hum on your speakers or headphones, this is due to a ground loop in your setup and our Ground Defender was designed to eliminate this unpleasant…
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How do I turn it on?

Power
Power
GND Defender
You don’t, it’s a passive component that does its job upon connecting it right in-between a power cable and audio product powered by it.
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How do I use it?

Power
Power
GND Defender
Plug the GND Defender into the IEC socket of your earthed component, then plug the IEC power cable into the GND Defender.
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How is an earth loop formed?

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Power
GND Defender
Sound systems can range in scale from being simple to very extensive. Generally the more components that are earthed in the system, the more likely an earth loop will develop.…
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Is lifting the earth from equipment safe?

Power
Power
GND Defender
To maintain earthing safety for connected equipment a maximum of 1.2V is allowed to develop across the 100 ohm resistance in the GND Defender, with excess current being passed through…
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Should I use just one? Or multiple?

Power
Power
GND Defender
Ideally you should use one Ground Defender per audio component, but also you should remember to connect at least one such product to your power bar/conditioner directly.
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What about unearthed systems?

Power
Power
GND Defender
The GND Defender won’t be of benefit to an unearthed system (where all the components have double insulated 2 pin power supplies). Instead, it will probably help if the system…
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