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This has worked perfectly to resolve my computer speakers picking up a local HAM radio (or CB or shortwave) enthusiast. My computer speakers, even on lowest volume settings were picking up nearby (I believe he's about 1 block away, if the guy I'm hearing is the neighbor with the big antenna on the roof) RF broadcasts and it was getting very annoying.I deliberated between getting a smaller core that fit the relatively small diameter speaker cord and the much larger core where I could put several loops through it (see my User Photo Upload) if needed. I'm so glad I got the larger core. I experimented with just 1 wire running through the core, then 1 loop (2 wires), then 2 loops, and finally reduced the interference to a level I can't hear when I put 3 loops through the core.I put the ferrite core on the main "speaker out" wire that goes from the computer to the bass speaker, where the 2.1 surround system then splits off to the 2 satellite speakers.
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Reviewed in the United States 🇺🇸 on January 2, 2012
Reviewed in the United States 🇺🇸 on December 25, 2010
Reviewed in the United States 🇺🇸 on June 2, 2012
This has worked perfectly to resolve my computer speakers picking up a local HAM radio (or CB or shortwave) enthusiast. My computer speakers, even on lowest volume settings were picking up nearby (I believe he's about 1 block away, if the guy I'm hearing is the neighbor with the big antenna on the roof) RF broadcasts and it was getting very annoying.
I deliberated between getting a smaller core that fit the relatively small diameter speaker cord and the much larger core where I could put several loops through it (see my User Photo Upload) if needed. I'm so glad I got the larger core. I experimented with just 1 wire running through the core, then 1 loop (2 wires), then 2 loops, and finally reduced the interference to a level I can't hear when I put 3 loops through the core.
I put the ferrite core on the main "speaker out" wire that goes from the computer to the bass speaker, where the 2.1 surround system then splits off to the 2 satellite speakers.
I deliberated between getting a smaller core that fit the relatively small diameter speaker cord and the much larger core where I could put several loops through it (see my User Photo Upload) if needed. I'm so glad I got the larger core. I experimented with just 1 wire running through the core, then 1 loop (2 wires), then 2 loops, and finally reduced the interference to a level I can't hear when I put 3 loops through the core.
I put the ferrite core on the main "speaker out" wire that goes from the computer to the bass speaker, where the 2.1 surround system then splits off to the 2 satellite speakers.
Images in this review
Reviewed in the United States 🇺🇸 on August 24, 2018
Reviewed in the United States 🇺🇸 on December 20, 2012
Reviewed in the United States 🇺🇸 on July 15, 2018
