Ebtech HE-2 - Dual Channel Hum Eliminator

Ebtech HE-2 - Dual Channel Hum Eliminator

Ebtech HE-2 - Dual Channel Hum Eliminator

B&H # EBHE2 MFR # HE-2

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Product Highlights

  • Eliminates AC Hum
  • Breaks Ground Loops
  • 1/4" TRS Connectors

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Ebtech HE-2 overview

  • 1Description

The HE-2 from Ebtech is a two-channel "Hum Eliminator" box, designed to eliminate 60Hz hum caused by ground loops. Almost all 60Hz AC hum is caused by ground loops that act like radio antennae (loop antennae). The Hum Eliminator completely eliminates this by breaking the ground loop, making it impossible for the signal lines to pick up the AC hum and noise in the first place.

Unbalanced lines are more susceptible to picking up electrical noise and RF interference than balanced lines - the longer the unbalanced cable, the greater the chance of a problem. Using the HE-2 to connect two pieces of equipment is one of the most cost-effective ways to convert between unbalanced signals and true balanced signals. The unit features 1/4" TRS phone inputs and outputs on both channels.

Eliminates AC hum/60Hz buzz and noise quickly and easily
Breaks ground loops safely, while leaving all signal grounds intact
Automatically translates signal voltages to match differences in ground potentials, avoiding clipping
Converts automatically back and forth between balanced and unbalanced lines at either end
Completely passive design with audiophile quality components assures the best possible noise and distortion performance
UPC: 614859056615
In the Box
Ebtech HE-2 - Dual Channel Hum Eliminator
  • Two (2) Year Warranty
  • Table of Contents
    • 1Description

    Ebtech HE-2 specs

    Function 2-channel noise reduction and ground loop eliminator
    Inputs 2 x 1/4" TRS phone
    Outputs 2 x 1/4" TRS phone
    Frequency Response 20Hz to 70kHz
    Distortion <0.005% THD @ 1kHz
    Crosstalk >-97dB
    Dimensions (WxDxH) Not specified by manufacturer
    Weight Not specified by manufacturer
    Specialties Completely passive design
    Packaging Info
    Package Weight 1.5 lb
    Box Dimensions (LxWxH) 7.323 x 5.669 x 1.811"

    Ebtech HE-2 reviews

    HE-2 - Dual Channel Hum Eliminator is rated 4.8 out of 5 by 10.
    Rated 5 out of 5 by from PROBLEM SOLVED I got a new custom built PC, new Rokit 6s, hooked everything up and non-stop loud screeching noise! I could tell it was electrical interference from my PC because it changed pitch with screen brightness, and went wild when I strained the GFX card. Very frustrating, tried shielded cable, didn't help one bit. I was resigned to buying a $ external sound card until I saw this and thought meh, $, worth a shot! BOOM no more noise. NONE, not a peep out of that nest of miraculous circuitry that is my space-age PC. Woo! Get yours now to solve all your noisy electrical poltergeist problems!-DG
    Date published: 2015-09-08
    Rated 5 out of 5 by from Works as intended This product filters out line noise as intended. Keep in mind this may not be appropriate to your ground loop problem, in that event you'll need a Hum-X adapter that ebtech sells (really you need to know what is causing the noise in your audio circuit with some degree of audio knowledge). These only work when directly plugged to the direct device outputting a noisy signal (so that it goes through the transformer inside the hum eliminator properly). If you plug it in at the END of a mixer it may not work. Again, the device works as intended but you may not get the results you're looking for if improperly configured.
    Date published: 2017-03-22
    Rated 4 out of 5 by from Great with high signal levels I just ordered a second one of these after owning one for 5 years. It is a great hum eliminator. Not only does it work with line level signals but it also works with headphone level signals. I tried using a Sescom Mini and it's transformer saturated with the headphone out of my laptop. When F's were said in the audio it would severely distort. On the other hand, the Ebtech HE-2 worked like a champ. The only thing keeping it from 5 stars is the lack of stereo mini jacks in addition to the 1/4 TRS jacks. That'd make it prefect.
    Date published: 2011-10-25
    Rated 5 out of 5 by from Awesome I had been beating my head against the wall with my humm problem for months until I tried this device. Works like a charm to eliminate humm created by my analog audio out left and right from my cable box going to my amp. Could not be more pleased!
    Date published: 2011-11-12
    Rated 5 out of 5 by from Works as Advertised Placed between mic line input and camcorder to cut out 60 cycle hum. Simple installation.
    Date published: 2011-08-04
    Rated 5 out of 5 by from Works like magic I have a pretty dense rolling rack of audio equipment. Even though my cable routing is pretty good, sometimes I get ground loop hum in my monitors when it moves. It can be annoying sometimes to stop what I'm doing in the flow of my work to move cables around. I plugged in the HE-2 between my audio interface and my monitors. No more hum. That's it!
    Date published: 2013-12-27
    Rated 5 out of 5 by from Hum Elimination The HE-2 works as expected. It has completely eliminated any hum from my power speakers. I would highly recommend this product.
    Date published: 2016-01-26
    Rated 5 out of 5 by from Definately would buy another. Works like a charm, it completely eliminated the ground hum I could hear prior to connecting this device.
    Date published: 2016-08-16
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