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Ebtech Hum X Voltage Hum Filter
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- Use only on equipment with current draw of 6 amps (720 watts) or less
- Not a ground lift - maintains equipment ground
- Suitable for use on 120V 60Hz grounded USA-style power outlets
- Use 1 Hum X per piece of gear. Multiple hum issues may require more than one Hum X. Not designed to get rid of cable related or guitar pickup related hum.
- NOTE: Check Instructional Video and User Manual before use
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This item Ebtech Hum X Voltage Hum Filter
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|Item Dimensions||1.88 x 4.75 x 3.5 in||12.8 x 10 x 7.4 in||1.25 x 3 x 2.25 in||1.88 x 4.75 x 3.5 in||16.5 x 22.5 x 4.25 in||21.8 x 12.5 x 4.5 in|
Filters noise and excess current on ground line that can cause hum and buzz in audio or video. Use only on equipment with current draw less than 6 amps (720 watts)
Top customer reviews
I'm running a USB DAC straight out of my macbook USB, and the ground noise would only show itself in my self amplified monitors when the computer was plugged into the magsafe. Listening to headphones out of the DAC has no noise, which indicated that I definitely had a grounding issue. After hours of research I came across the Hum-X, which was described as a good solution for those suffering from ground loop type noise and individually amplified or powered equipment. I read that if you try pulling the ground on the speaker power cables and the sound goes away, then the Hum-X would be a good solution for you. I tried this with a 3 to 2 prong adapter that I had laying around the house and the buzzing and popping completely went away. I didn't like the idea of removing the ground on some expensive monitors so I got a Hum-X and it works great.
With the Hum-X I have a fairly quite noise floor, and none of the buzzing and popping that was driving me crazy. My monitors are individually powered so I used a 2 plug adapter to get both plugged into the same Hum-X. This seems to work just fine. I'd highly recommend this product to anyone that has issues similar to mine.
but even inside of the power center, it was causing the high pitched hum through my surround speakers (most noticeable, when I wasn't playing any audio at all through my pc)
after adding this adapter to my pc power cable, and reconnecting to my power center, the hum is gone.
if for some reason the device fails in the next 6 months or so, I will update my review, but for now, it's working perfectly.
To read all the details on my noise issues with my desktop PC put the following search into Google (in quotes) and click the first link - "Has anyone here ever dealt with static noise from studio monitors on a USB interface to a PC?"
At first, I was like everyone else thinking this was some sort of "snake oil" product (and was advised to avoid it) that either costed significantly higher than it was worth or didn't do anything. But after going through all the extraneous effort of troubleshooting everything I could think of I device to just get this thing and see if anything helps as many folks listed some success from this product.
Upon arrival and plugging my desktop PC onto it, immediately all my noise issues are gone and so well I can't even tell if the speakers are on any longer unless the little lights on them are turned on. As a true non-believer, I have to say after figuring out the dual-diode method they use to trick the grounding, it does start to make sense and eliminates any sort of power-related noise being fed into the ground (as was eventually determined the desktop itself was the source of the ground noise to begin with).
Next time I am building a new PC, this thing is going on it immediately if I am even remotely thinking of possibly using a nice audio setup with it in the future.
But now my problem is... I need like 5+ more! These are expensive for bulk use! I'll have to save up...
his Telecaster an Princeton Reverb and it works great. Giving this one a neutral rating because it was DOA.
But at $70 it's also very pricey. This thing should be priced at $9.95...then they'll sell millions of them.