Ebtech HE-8  Hum Eliminator

Ebtech HE-8 Hum Eliminator

Ebtech HE-8 Hum Eliminator

B&H # EBHE8 MFR # HE-8
Ebtech HE-8  Hum Eliminator

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  • 1Description

The HE-8 Hum Eliminator from Ebtech is an eight channel rack mount unit, designed to eliminate 60 cycle hum caused by ground loops. It is also designed to convert unbalanced lines to true balanced lines, since unbalanced lines are more susceptible to picking up electrical noise and RF interference.

The HE-8 Hum Eliminator prevents ground loop antennae from forming and picking up AC hum. AC hum and noise are almost always caused by a loop antenna effect across signal lines between two or more pieces of gear, or by long unbalanced cables picking up noise. Loop antennae are basically a type of radio antenna, which tend to pick up the 60Hz (and harmonics) AC signal being broadcast by a building's electrical current. These loop antennae are closed circuits usually along the ground wires and hence are commonly called ground loops.

Unbalanced signals are more susceptible to picking up electrical noise and RF interference than balanced signals are. The longer the unbalanced cable, the greater the chance of a problem. The
HE-8 Hum Eliminator is one of the most cost-effective ways to convert between unbalanced signals and true balanced signals.

Eliminates AC hum/60Hz buzz and noise quickly and easily
Breaks grounds 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: 614859091043
In the Box
Ebtech HE-8 Hum Eliminator
  • 2-Year Warranty
  • Table of Contents
    • 1Description
    Function 8-channel noise reduction and ground loop eliminator
    Inputs 8 x 1/4" TRS phone
    Outputs 8 x 1/4" TRS phone
    Frequency Response 20Hz to 70kHz
    Distortion <0.005% THD @ 1kHz
    Crosstalk >-97dB
    Dimensions (WxDxH) 1U 19" rack
    Weight Not specified by the manufacturer
    Specialties Completely passive design
    Packaging Infozrsqzdetxx
    Package Weight 4.55 lb
    Box Dimensions (LxWxH) 20.2 x 9.5 x 2.4"
    HE-8 Hum Eliminator is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Great product and best price on B & H I bought this product to use with my dance and show band. We play venues throughout the southeast and many have very trashy power. The HE-8 replaces the HE-2 I've been using for years. I decided to add my monitor mixes. The HE-8 will remove hum noise caused by ground loops and poorly wired power. I highly recommend this for bands, DJ's, karaoke, or any other setup where sound is amplified, as well as recording studios.
    Date published: 2010-08-18
    Rated 5 out of 5 by from Works great The PA system at my church has had a hum problem that recently has become unbearable. I bought this unit and have completely eliminated the hum in all speakers
    Date published: 2014-12-29
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