Mobile or cordless phones interfering with speakers

  andy63walsh 08:40 AM 01 May 12
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Iphones and normal landlines cordless phones make the buzzing noise in speakers. I have tried the Ferrite beads near the speaker, no luck, near the pc end, no luck, nothing works! Help!!

  birdface 09:15 AM 01 May 12

Shift the cordless phone and it is one less to worry about.

Going back a few years low batteries on cordless phones used to cause the odd problems.

  amonra 12:46 PM 01 May 12

Try a new lead from the computer to the input to the speaker amplifier. Buzzing and other noises are being picked up by the input lead which needs to be screened and preferably earthed.

  wiz-king 13:26 PM 01 May 12

You need the ferrite rings at the computer/amplifier end not the speaker end, it is RF getting into the computer that is causing the trouble and it could get in via any lead but speaker leads are the most likely culprits.

  andy63walsh 17:25 PM 01 May 12

I tried ferrite rings on both ends, no difference.

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