Ebtech HUMX Voltage Hum Filter

Solid, safe ground. Eliminates ground loops.

Item: EBTHUMX

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Ebtech HUMX Voltage Hum Filter reviews

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

 

3 People wrote reviews

Read all Ebtech HUMX Voltage Hum Filter reviews...
* * * * * * * * * * 10 out of 10

"Motif XS hum and noise solution"

Quality:
This is a simple molded unit with a red LED that lights when power is present.

Value:
It solved a serious sound quality problem with an expensive synthesizer for a very modest price.

Desirability:
It's a power adapter - out of sight.

Sound:
I bought two of these to solve a hum problem (Motif XS to Yamaha HS-80M speakers) and a horrible hum, whirring, crackling, popping noise problem (Toshiba Qosmio laptop to Yamaha HS-80M speakers via the Motif XS). Note the common element - the Motif XS which does not provide balanced line outputs. The Qosmio laptop is a power hog and has a three prong AC plug for its 5 lb power brick. Ground loop ran from the laptop through the firewire cable to the XS, then on to the HS-80M, and back through the ground connections (consequently it would go away if I could have unplugged the laptop from its power source, but the laptop only runs about 45 minutes on its built-in battery). I plugged the Motif into a HumX and this eliminated the problem between the Motif and the HS-80, but there remained a path from the laptop to the HS-80 through the Motif - that is why I needed to plug the laptop into one as well. There was no effect on the sound (in this approach the devices are not in any legitimate signal path).

Ease of Use:
Plug this into your surge suppressor and the device into this.

Support:
N/A

Overall:
Unless this goes belly up, I will use it as long as I have the Motif.

Submitted: 8/30/2008

Style of Music: Classical / Jazz

1 of 1 people (100%) found this review helpful. Did you?

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* * * * * * * * * * 9 out of 10 zZounds has verified that this customer bought this product from us.

"i'd be lost without this."

Feature:
n/a

Quality:
so far, so solid,

Value:
yes, it may seem expensive for what it looks like, but i don't have the option of hiring a competent electrician to wire my apartment properly. i've bought three of these, and they're worth every penny. it's hard to put a dollar amount on clean sound.

Desirability:
it's simple, practical and works flawlessly. if you need it, you should have it, period.

Sound:
the humx has killed every ground hum i've thrown at it, and my little apartment/bedroom studio is the lousiest-wired place i've ever called home.

Support:
n/a

Overall:
my only gripe is the form factor. it takes up two spaces in a rack-mounted power conditioner a la a furman rack rider.

Submitted: 8/4/2005

Style of Music: electronic

9 of 10 people (90%) found this review helpful. Did you?

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Read all Ebtech HUMX Voltage Hum Filter reviews...

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About This Product!
Description
From Our Catalog
The Hum X filters out unwanted voltage and current in the ground line that cause ground loop hum while simultaneously maintaining a solid, safe ground. You no longer have to run your audio signal through any type of tone-sucking filter. Simply place the Hum X on the end of the power cord of the equipment that has a Ground Loop and plug the Hum X into the wall outlet. Ground Loop is gone -- safely -- and audio signal remains intact. The easiest, safest way to get rid of ground loop hum.
Connect the Hum X between the offending equipment and your AC source and it safely filters out voltage and current that cause ground loop hum. The noise is gone but the gear stays safely grounded.

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