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Nady HE-1 Hum Eliminator  

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SKU 
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Overview

  • Eliminates AC hum (60Hz/120Hz buzz) easily with up to 20dB of attenuation
  • Converts automatically back and forth between balanced and unbalanced lines at either end—also can be used as direct box which converts signals from unbalanced to true balanced
  • Breaks grounds loops safely, while leaving all signal grounds intact
Description & Specs
  • MSRP:
    $43.99
  • Your Savings:
    - $10.00
  • Your Price:
    $3399

Temporarily out of stock. Expected 04-27-2014

Gold Coverage: (What’s This?)

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Also Consider
Also consider
      Nady

      The Nady compact HE-1 is a sure-fire bet for quick and easy removal of 60/120 cycle AC hum from your signal path. This two channel mini-box is designed to eliminate hum caused by ground loops while also acting as a direct box capable of converting unbalanced signals to true balanced signals for long interference-free cable runs. It's passive design is easily portable with no AC sockets necessary. A couple of these are essential hardware in every musician's or roadie's tool bag.

      Features

      • Eliminates AC hum (60Hz/120Hz buzz) easily with up to 20dB of attenuation
      • Converts automatically back and forth between balanced and unbalanced lines at either end—also can be used as direct box which converts signals from unbalanced to true balanced
      • Breaks grounds loops safely, while leaving all signal grounds intact
      • Dual Channel I/O with 1/4" TRS 'smart' jacks
      • Completely passive design with audiophile quality components assures the best possible noise and distortion-free performance
       

      HE-1 Hum Eliminator Specifications:

      • Input Connectors: 2 x 1/4" TRS jacks
      • Output Connectors: 2 x 1/4" TRS jacks
      • Input/Output Impedance: 10K Ohms
      • Maximum input: 8V RMS
      • Maximum source impedance: 1K Ohms
      • Minimum load impedance 10 Ohms
      • Frequency response 20HZ to > 20kHz (- .05dB)
      • Dimensions (WxHxD) 4.5" x 1.63" x 3.5"(114.3 x 41.4 x 88.9 mm)
      • Weight 16 oz (453g)
      Customer Reviews
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      Review Snapshot®

      by PowerReviews
      NadyHE-1 Hum Eliminator
       
      4.1

      (based on 13 reviews)

      Ratings Distribution

      • 5 Stars

         

        (8)

      • 4 Stars

         

        (2)

      • 3 Stars

         

        (1)

      • 2 Stars

         

        (0)

      • 1 Stars

         

        (2)

      67%

      of respondents would recommend this to a friend.

      Pros

      • Easy to use (5)

      Cons

        Best Uses

        • Home studio (3)
        • Performances (3)
          • Reviewer Profile:
          • Experienced (3)

        Most Liked Positive Review

         

        cheap device did the trick

        I was looking for a hum eliminator to place in line between my Ibanez Tube Screamer and my Fender twin. When I plugged my pedals into a power strip I got the normal buzz...Read complete review

        I was looking for a hum eliminator to place in line between my Ibanez Tube Screamer and my Fender twin. When I plugged my pedals into a power strip I got the normal buzz that everyone talks about. I got this, not really being a "Nady Fan" but because it was a cheap device that claimed to do the trick. When it came in I took it out of the box, turned it over and heard something inside move. I thought it got damaged when shipped. I went ahead and plugged it up - and amazingly the hum was completely gone. Note I said "completely" - no trace left at all. I still don't know what that "moving part" sound is inside but it works like a charm. Now when I load my pedal bag up, I would sooner leave one of my pedals behind before I left this item behind.

        VS

        Most Liked Negative Review

         

        It offers improvement, not a fix

        I have a washburn 8 string bass with some "hum" issues when i increase the treble controls. The base is at least 10 years old and is in the shop today...Read complete review

        I have a washburn 8 string bass with some "hum" issues when i increase the treble controls. The base is at least 10 years old and is in the shop today to get some work done to clean the internal workings and see if that fixes the issue.

        Plugging the bass directly in to the box and in to my MarkBass mini, the hum was reduced from before, but did not fully go away. This may be an issue of trying to fix an unrelated problem with the wrong piece of equipment.

        I think the box is useful and helpful in what it sets out to do, but don't expect miracles. It may just treat one of the symptoms, not the disease.

        Reviewed by 13 customers

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        Displaying reviews 1-10

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        4.0

        Pretty Nice for the price

        By Ole V.

        from South

        About Me Professional Musician

        Verified Buyer

        Pros

        • Easy To Use
        • Inexpensive

        Cons

        • Not 100 Percent Effective

        Best Uses

        • Performances

        Comments about Nady HE-1 Hum Eliminator:

        I was having hum from a ground loop at certain gigs. The Nady Hum Eliminator did not get rid of all the noise, but made it much more bearable so overall I would recommend it. No power supply needed and its inexpensive.

        Comment on this review

         
        3.0

        It offers improvement, not a fix

        By BassPlay979

        from North Carolina

        About Me Experienced

        Verified Buyer

        Pros

        • Easy To Use

        Cons

        • Limited Functions

        Best Uses

        • Amateur Recording
        • Home Studio

        Comments about Nady HE-1 Hum Eliminator:

        I have a washburn 8 string bass with some "hum" issues when i increase the treble controls. The base is at least 10 years old and is in the shop today to get some work done to clean the internal workings and see if that fixes the issue.

        Plugging the bass directly in to the box and in to my MarkBass mini, the hum was reduced from before, but did not fully go away. This may be an issue of trying to fix an unrelated problem with the wrong piece of equipment.

        I think the box is useful and helpful in what it sets out to do, but don't expect miracles. It may just treat one of the symptoms, not the disease.

        Comment on this review

         
        5.0

        Definitive Solution

        By NickMetal

        from Tampa, FL

        About Me Experienced

        Verified Buyer

        Pros

        • Easy To Use

        Cons

        • None

        Best Uses

        • Home Studio

        Comments about Nady HE-1 Hum Eliminator:

        I had hum in my active monitors. They are part of a home recording studio consisting of a computer, powered monitors, external (firewire) audio interface and subwoofer. Placing the HE-1 between my audio interface and the subwoofer completely canceled the hum with no other perceptible reduction in audio signal. Happy.

        Comment on this review

         
        1.0

        didn't work for me

        By Play4Him

        from San Jose, Ca.

        About Me Experienced

        Verified Buyer

        Pros

        • Easy To Use

        Cons

          Best Uses

          • Home Studio
          • Performances

          Comments about Nady HE-1 Hum Eliminator:

          I got this unit under the advive of MF, when the wireless system I had purchesed (from MF)was giving me an obnoxious hum. I was told: yup - this unit would take care od it! Well, I plugged it in, and there was absolutely no difference. I returned everything- the wireless and the hum-eliminator. I've seen other good reviews for the HE-1 here, but for me, it simply did not work.
          I must say, however, I am VERY happy with the MF return policy.

          Comment on this review

          (1 of 1 customers found this review helpful)

           
          5.0

          Nady HE-1 Hum Eliminator

          By Gordon G

          from Chester, NY

          About Me Professional Musician

          Ask me a question

          Verified Buyer

          Pros

          • Easy To Use

          Cons

            Best Uses

            • Performances

            Comments about Nady HE-1 Hum Eliminator:

            I have a bass amp that was giving out a noticeable hum when connected to one of my keyboards. Also, when a motor went on in the house such as from an air conditioner, you would hear a click come through the amp so whatever is causing the hum probably has something to do with the wiring in the house. The hum only occurred with one particular keyboard connected to one particular amp, but I needed something that would eliminate the hum. The Nady HE-1 completely eliminated the hum and didn't color the sound in any way. It has two inputs and outputs, but I only needed the one for the keyboard. I highly recommend having it for clubs because you never know what kind of wiring is in some clubs.

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            5.0

            Very nice box--solved my FX loop hum

            Comments about Nady HE-1 Hum Eliminator:

            This solved my FX loop hum problem. I recently bought a Blackstar HT-5R, which I'm very pleased with, but was bummed that I couldn't use my TC Nova Delay and Modtone Mini Chorus in the FX loop without crazy hum. I tried telescoping the ground with my cabling (disconnecting the ground at one end of the cable), and that didn't help.

            I hooked this baby up, and had a minor scare about microphonics--it would make audible noise through my rig when I tapped on it. Operator error: I had one of the cables only partly plugged in. Then I plugged the cable in and it was silent. I mean, no hum, but no guitar signal, either. Remember what I said about telescoped ground cables? Well, that was the problem. Turns outyou have to connect the hot and the shield for it to work (duh). I changed out a cable, and bammo, FX loop working without hum. The sound is transparent. I don't notice any tone suckage.

            I'm bummed that I need another box in my rig to make it all work, but thankful that there's a solution so that I can use the awesome Gain channel on my Blackstar.
            We don't need no stinking features. Two ins, two outs. Note: comes with adhesive rubber feet, not attached. Nice. I'll use Velcro to attach to my pedalboard.
            Seems well-built and sounds transparent.
            Much cheaper than similar products.

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            5.0

            hum eliminator

            Comments about Nady HE-1 Hum Eliminator:

            Extremely effective. Dropped the hum level at least 60 db (down to practically inaudible) on an especially difficult low level unbalanced stereo line between pres and aux A/D converter. Excellent unit very reasonably priced. Physically well made, solid. Decent connectors.
            Extremely effective. Dropped the hum level at least 60 db (down to practically inaudible) on an especially difficult low level unbalanced stereo line between pres and aux A/D converter. Excellent unit very reasonably priced.

            Comment on this review

             
            5.0

            Worked like a charm

            By dragon07

            from San Antonio

            Comments about Nady HE-1 Hum Eliminator:

            I was having a loud hum coming from the p.a. I tried plugging into different power outlets,different cables nothing helped.I ordered the HE1 thinking even if just cut the hum by half that would be worth it.When I got it hooked it up to a JBL powered monitor as a test and no hum at all and if there is any hiss or hum i can't hear it.Great unit at a great price.

            Comment on this review

            (1 of 4 customers found this review helpful)

             
            1.0

            Didn't work for me!

            Comments about Nady HE-1 Hum Eliminator:

            My pedalboard ends in stereo fx, and I use two amps in stereo. Was looking to replace my VooDoo Lab Amp Selector (a large unit) with something smaller, saw this, seemed to fit the bill. Upon hooking it up, however, my amps made more noise than ever before. Without changing anything else, I swapped it out for the Amp Selector and the noise went completely away. Bad unit? Maybe, but how is a ground loop situation to be corrected without isolation transformers? I suppose I'll splurge for the Lehle Little Dual, it's small and by all reviews I've read, very well made and works very well. I'm very disappointed, as I own two Nady TD-1 Tube Distortion pedals, they sound great and appear built well. I would not purchase another one of these.Small, two ins and two outs, metal, seems ok here. Has the potential of saving space on my pedal board for my two-amp stereo setup, but did not work properly.
            OK, it seems tough. It's metal, and feels solid. It doesn't do what it's supposed to do, though. My amps made more noise than without it. If it were flimsy," I would have given it a ""1-Terrible""", but Nady gets a point for a sturdy housing, and the jacks are mounted to the case.
            If it worked, it would be outstanding! So, to spend money on something that doesn't work is the epitome of bad value.

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            5.0

            Miracle worker

            By PinkFlydxx

            from Kentucky

            Comments about Nady HE-1 Hum Eliminator:

            I am always running into ground loop problems due to a combination of venue electrical wiring issues and/or equipment. I have tried all sorts of combinations to rid the sound of these. I bought one of these and kept it in my gear to try it out the next time we encountered the "hum". At our last gig, we had hum in all three channels out of our 3 way crossover. I put this item in the signal chain just before the amp and viola, the hum was completely gone out of these two channels. I was kicking myself for not buying two to handle the 3 channels and the monitor mix. On Sunday morning, immediately after I got home from the gig, I ordered my second one. I will never ever be without these things again.(P.S. I found out that in a pinch you can also eliminate hum with some direct boxes - tried it on our last gig and worked great - but I like the Nady HE-1's better as it was much easier to patch in the signal chains)

            Comment on this review

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