Snap-Together Ferrite Choke Core

This filter really works for eliminating RFI interference that stopped some of my power line X10 wall socket receivers from responding. I placed the filter on the AC power cord of the DVD recorder/HDD copier that was causing the problem even when...

I have mid-fi digital audio equiptment ($20K). Used these on unshielded speaker cables, interconnects and electrical power lines. Results were fantastic. Best results when used on all cables. Like a total system upgrade, for less than $50!!

These chokes work just fine for the purpose for which they are meant. If you're getting RF interference that is coming in via a wire or cable, these chokes will help cut it down or eliminate it. If the interference is coming from somewhere else, you...

The smaller choke core seems to do the trick. But what is the dimension of this choke core? will it fit a 12 AWG audio cable, or a PC power cable ? is this a package of 2 choke cores or single choke core?

Buzzing noise was reduced significantly due to T-Mobile Blackberry on desk with Boston Acoustic desktop speakers. Used 4 (2 packages) of 3.5mm 2 on each speaker wire and one 17/64" on A/C line into computer - Apple G4 Laptop.

While I was awaiting the arival of high-end power cables and a line noise harvester I thought I would try a couple of chokes on my existing power cables. I probably got lucky with where I placed them but they enhanced the vocals on some music tracks....

changed all indirect lighting in my home to t8 with new tubes. fixtures within 10' of video equipment caused extreme interference. placed filters on in and out of direct tv box and on neutral and hot within each fixture. totally eliminated all...

People who don't get results are most likely using them for the wrong application. They only block EMI/RFI that is travelling along the cable.

I have bought several of these over the years. They work so well that when buying a new AC powered component I check to see if this product will fit on the components AC powercord. If the choke core fits on the cord, it stays there. I have also...

I'm working a G5RV Jr by Truetalk strung in the trees about 25-30 ft in the air and maybe 25ft from the back of the house with an Icom IC-756 Pro on 10m...I had terrible RFI on the surround sound for the down stairs TV closest to the G5RV Jr, I wrapped...