Ebtech HE2PKG Hum Eliminator (2-Channel)

Eliminates ground loop hum. Converts back and forth between balanced and unbalanced signals.

Item: EBTHE2PKG

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Ebtech HE2PKG Hum Eliminator (2-Channel) reviews

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51 People rated this product : * * * * * * * * * * 8 out of 10

 

10 People wrote reviews

Read all Ebtech HE2PKG Hum Eliminator (2-Channel) reviews...
* * * * * * * * * * 10 out of 10 zZounds has verified that this customer bought this product from us.

"Hum In, Hum Gone!"

Quality:
Sturdy and strong.

Value:
Does excactly what it is advertised for - eliminate ground loop hums.

Desirability:
If there is a hum that needs be removed, I will simply go and get one.

Overall:
If you have a hum in your setup, and you insert this little device in the wrong place, it will not remove the hum. Too bad. I have determined that my mpx200 caused the hum. When switched off, the hum disappeared. When I first installed it between the output of my mpx200 and mixer, it did not do anything. I eventually figured, when placed onto the input of the mpx200, that the hum completely disappeared. What can I say about the bad reviews on this fine little product? That those people applied it in the wrong spot, and DID NOT USE IT WHAT IS WAS MEANT FOR! How stupid can that be?

Submitted: 1/14/2004

Style of Music: Pop/Electronic


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* * * * * * * * * * 10 out of 10

"Problem-solving at its Best!"

Feature:
There are no accessories. You don't even need a supply for this little passive device. I suggest though, that if you are going to be running into applications where you'be using this device in-line with RCA/phono terminals, that while you are shopping for this thing, arm yourself with an array of conversion adaptors. My current 'kit' consists of 4 each male TS to phono female RCA, straight-through, and another set of right-angled. I have my box sitting jack-side up as to keep my cables essentially running straight. Mail me and I'll send you a photo. See 'Ease-of-Use'

Quality:
Black, heavy steel box, heavily painted and well-labeled. Being a Product Engineering Technician myself, I have to take things apart and look at them. It looks very neat and tidy inside. Don't drop it on your toe, but this thing should hold up well on the road tour circuit! Ebtech could have skimped here but they didn't.

Value:
Online price wasn't but $3.88 more than what I got it for here in the Atlanta, georgia, USA area. For what I needed done and what I paid, it saved me a LOT of work. Easily worth what I paid and more. Another online seller was asking $80.

Desirability:
"Sex appeal"?? What? It's a magic black box. I don't need everything I buy to be 'sexy'. Find sex appeal elsewhere.

Sound:
I have a pro-audio, audiophile sound system that consists of 22 components. Last year I built a digital recording studio. Over he holidays I attempted to join the two systems and that's where the problems began. In short, and the details are much lengthier, this little box completely zapped the 60-cycle hum generated through the antenna this connection created. If it hadn't, I'd have been forced to dismantle a whole lot of gear, as well as operate the studio off of my spike protection and UPS power distribution system, as one of the 'partial' solutions was to put the whole system on one power supply. I ran my signals to the recording software/sequencer and compared them with/without the box; it made no noticeable impact. I might put test signals through an oscilloscope just to play but have not done so yet. I'm in a studio environment and it has absolutely done the trick. Their instructions highly suggest that one go through the process of taking apart a rack of gear to search for the culprit. In my case, I already knew I had two, separately-stable systems, the problem occurring ONLY when I joined them, so it seemed likely that if I inserted their box into that line, it would kill the hum. And it did.

Support:
I have not had to deal with Ebtech yet, but I will be shortly to offer my suggestion. It comes with a 2-year warranty if that tells you anything.

Overall:
It's a passive device, has essentially no moving parts other than the wiping action of the connectors when inserting plugs. From a design standpoint, I expect to see it working well after I am long in the ground.

Submitted: 1/5/2005

Style of Music: Easy listening, instrumental, light vocal, rock, jazz, and new-age/synthesized.


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About This Product!
Description
Docs
From Our Catalog
Silence AC hum forever! Do you hear a hum or buzz in your audio signal? Are long, unbalanced signals creating noise?

Almost all AC hum (60Hz in the U.S.) is caused by groundloops. Rather than filtering, the Hum Eliminator prevents groundloops from forming in the first place. Just plug the Hum Eliminator into the signal lines between offending pieces of equipment and you're done. Quick and easy.

No buzz. No signal degradation. No filtering. No noise gates. No dangerous ground lifts. No hum!

Features
Eliminates AC hum quick and easy.

Breaks groundloops safely while leaving all signal grounds intact.

Automatically translates signal voltages to match differences in ground potentials, avoiding clipping.

Converts between balanced and unbalanced lines.

1/4 in. TRS 'smart' jacks (TRS) inputs and outputs.

Completely passive design with audiophile quality components.

Technical Info

Frequency response: 20Hz to 70kHz +/-0.5dB

Distortion: less than 0.005% THD @1kHz

Crosstalk: better than -97dB

2-year warranty

EBTECH quality and reliability

Made in the U.S.A.
Rather than filtering-out hum with EQ, the 2-channel Ebtech Hum Eliminator does its job by keeping AC ground loops from happening in the first place! It also converts between balanced and unbalanced lines.

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