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Project Primary E (Phono) to Sonos Era 100 with RCA to 3.5: Buzzing/Grounding issue?

  • July 5, 2023
  • 2 replies
  • 465 views
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I’m having issues connecting my Project Primary E (Phono) to my Sonos Era 100,

I have the Sonos USB-C to 3.5 Line in Adaptor and my Turntable came with a RCA to 3.5 cord.

Everything connects and plays on the Sonos Era 100 but there is a loud buzzing sound which I think is a grounding issue? How can I fix a grounding issue where there is no option for grounding on the Sonos Era 100?

Am I missing a piece of equipment like an Amp? I thought i didn’t need one because my turntable has a phono pre-amp inbuilt and them the Sonos Era 100 already has line in connection?

Help!

Best answer by braydonos

Thank you for answering!

 

but i’m actually very dumb and just forgot to switch my turntable from Phono mode to Line-Out mode [facepalm]

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2 replies

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Check all the connections on the turntable.

Plug the turntable into a different outlet.

Put the turntable on a different surface than the speaker.

Try a different RCA to 3.5mm cable.

Set the Source Level to a lower setting under the Line-In settings in the Sonos app.

"Receive with simplicity everything that happens to you." - Rashi
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  • braydonos
  • Author
  • Contributor I
  • Answer
  • July 5, 2023

Thank you for answering!

 

but i’m actually very dumb and just forgot to switch my turntable from Phono mode to Line-Out mode [facepalm]

Airgetlam
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SarahN
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