I’m getting noise and hum when I connect my turntable to my Ruark

This answer applies to:

• R410
• R610
• R810

If you get noise or hum when you connect a turntable to your Ruark, then this is almost certainly caused by a ground loop between the components in your system. We must emphasise that this is not a fault with your Ruark model, but simply the fact that some experimentation is often required to resolve ground loop noise with turntables. What complicates the issue is that not all manufacturers ground their turntables in the same way.

Depending on the earthing arrangements of other components in your system, sometimes the earth tag from a turntable (if it has one) does not need to be connected to the earth post on the back of our products at all, but if a significant hum is heard, then the first thing is to try running a single length of cable from the earth post to a suitable household ground. This could be a non-painted radiator pipe or alternatively the ground on most EU mains sockets. Experiment with this and usually the noise stops immediately.

Other things to consider is that some turntable models come with a MM phono stage built in. These are usually switchable, but either way, please check as plugging into any 100 series models with the phono stage switched on will cause noise and overload.

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