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Ebtech HE-2

Item ID: Hum

2-channel AC Hum and Noise Eliminator with 1/4" TRS I/O

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From Our Research Team:

Get Rid of That Annoying Buzz!

Ebtech's Hum eliminates system noise and ground loops quickly, easily, and above all, safely! Extremely high quality transformers isolate circuits, keeping grounds intact while breaking troublesome loops and balancing unbalanced gear. 1/4" TRS in and out.


Features:
  • Eliminates AC hum and noise quickly and easily
  • Automatically converts back and forth between balanced and unbalanced lines
  • Allows using professional equipment for long signal runs free of hum
  • 1/4" TRS "smart jacks" inputs and outputs
  • Safely breaks ground loops while leaving all signal grounds in tact
  • No dangerous ground lifting
  • Automatically translates signal voltages to match differences in ground potentials, avoiding clipping
  • Less than .005% THD @1kHz
  • Crosstalk better than -97dB

HE-2 Image Gallery

Specification Detail
Type Hum Eliminator
Channels 2
Inputs 2 x TRS
Outputs 2 x TRS
Height 2.63"
Depth 3.5"
Width 4.75"
Weight 1.2 lbs.
Manufacturer Part Number HE-2

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Reviews

based on 10 reviews

Hum gone

by Dan from New Jersey
December 30, 2011
Music Background: Keyboardist
Worked as described. Removed hum from my Mac based studio.

Elimates Hum - just like it says

by from New York
September 8, 2011
Music Background: Hobbyist
I was having ground loop issues using my ISP decimator g-string because it's both before the amp & in the loop. Using this fixed the issue.

(Side note: Instructions are a bit lacking -... read more [+]- I had to use both channels on the device) close [-]

Must have!!!

by Craig Parker from Fort Wayne, IN
June 16, 2011
Music Background: Former Pro Guitarist
I purchased this to use with a TC Electronics G System, and some of the high gain amps I use. The line noise is GONE!!!! I'm always skeptical about adding anything in my signal path that can negativ... read more [+]ely color my tone, and was shocked with the transparency of this device! This is definitely going to be in my bag of tricks for many years! close [-]

Everything Everyone Else Said-Great!!!

by Arnett from Tallahassee, FL
December 28, 2010
Music Background: Engineer, Producer, Musician/Keyboard, Band Director
FedEx just delivered the package, 5 minutes later, hum was gone!!! I'm talking crystal clear signal chain from my S90XS to the mixer!!!! Incredible! Don't know what other products costing hundreds mor... read more [+]e could've done that this doesn't do, but it really doesn't matter, does it??? IT WORKS!!! close [-]

Solved my "Fantom" buzz problem

by Chuck from Philadelphia
January 10, 2007
Music Background: Professional musician and composer
I recently purchased a Roland Fantom X8 (which has balanced TRS outs) and a Hartke KM200 amp (which has unbalanced inputs) for live gigs. I was getting a slight buzz when my Fantom was connected to t... read more [+]he amp. I tried a variety of cables, using a direct box, even lifting the ground on the amp--none of which solved the problem. Then I read about the HE2. I now run TRS from the Fantom to the HE2, and TS from the HE2 to the amp. BUZZ ELIMINATED! It now sounds completely clean, and I believe I even get a bit more gain from keyboard. If you have a similar problem, I recommend this product. close [-]
Read more reviews

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See Also: DI Units , Ebtech , Ebtech Direct Boxes

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