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Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal

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1274034486490
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Listen &ndash do you hear that? That sound coming from your amp vaguely like a swarm of African killer bees coming to chase away your audience? The Electro-Harmonix Hum Debugger Hum Eliminator Pedal c... Read More

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Overview

Listen &ndash do you hear that? That sound coming from your amp vaguely like a swarm of African killer bees coming to chase away your audience? The Electro-Harmonix Hum Debugger Hum Eliminator Pedal completely and totally eliminates hum from any audio source. It is not a suppressor. It is not a noise gate. It is absolute silence. Small and compact so it won't take up valuable space on your pedalboard. Green LED indicates when it's engaged.

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MANUFACTURER'S WARRANTY
One year warranty on pedals. 90 day warranty on all other products.


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REVIEW SNAPSHOT®

by PowerReviews
 
3.9

(based on 14 reviews)

Ratings Distribution

  • 5 Stars

     

    (6)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

Most Liked Positive Review

 

Best Option Available as of 2010

I've been fighting the "Battle of Bull-Hum", for quite some time. My resume includes reading every product's review on this website, YouTube demos & above all buying/trying every single noise...Read complete review

I've been fighting the "Battle of Bull-Hum", for quite some time. My resume includes reading every product's review on this website, YouTube demos & above all buying/trying every single noise reduction product Guitar Center offers. In short, this is the best one by far. Despite slight tone coloration (most noticeable when strumming muted strings with distortion) that sounds a little Styrofoam-like (better trade off compared to loud buzzing hum). I'm willing to accept that knowing what every other product sounds like. Having the ability to stomp on/off through performances can overcome any unnatural sounding parts of songs. Feel free to read on for competitive item's drawbacks that make the Hum Debugger your best choice: I first had high hopes for ISP's Sonic Decimator G-String: Did one of the best jobs removing noise but: 1. long sustained notes DO NOT decay naturally and end abruptly. Try sustaining a high pitch note for over a measure and you'll be disappointed. Great pedal for shredders perhaps, but not those that like to play with a lot of space. 2. Noise comes back when you play your notes and disappears only when guitar isn't played. If you play soft and with low dynamics you are in trouble, as noise overpowers your desired notes! 3. I wasn't happy how unnaturally the noise came in and out (It's almost better to always have noise, cause your ear gets used to it) and that by itself becomes equally noticeable as unnatural. I then tried MXR's Smart Gate, Ebtech HE-2-XLR Hum Eliminator with XLR, Ebtech's HUM X, ROLLS HE18 BUZZ OFF HUM ELIMINATOR ,Nady HE-1 Hum Eliminator,ART Dual Transformer/Isolator Hum Eliminator ,ART CleanBox II Passive Hum Eliminator & Ebtech 2-Channel Hum Eliminator. All my experiences with these- didn't remove hum/noise and took off from original signal. I gave the Hum Debugger 4 stars (would of given 4.5 if an option) cause although not perfect, it is simply the best choice out there and will definitely not affect long sustained notes, no noticeable in/out of noise, minimal tone coloration, ease of use. The next generation version of this unit should be a little smaller (think Keeley 4knob compressor size) and perhaps offer to add back the frequencies taken away with the hum (in a post-processed stage that wouldn't reintroduce hum). If they could do that, it would dominate the market. Until then, this unit easily wears the crown.

VS

Most Liked Negative Review

 

pretty close but...

When I got this pedal I was originally pleasantly surprised. I cranked my amp and placed my guitar near the speaker to get a huge hum and then engaged the Hum Debugger. The hum...Read complete review

When I got this pedal I was originally pleasantly surprised. I cranked my amp and placed my guitar near the speaker to get a huge hum and then engaged the Hum Debugger. The hum was eliminated. I was seriously impressed. I played for a while on the clean channel turning the effect on and off. I really couldn't notice any change in the signal minus the hum. I'm thinking excellent. Then I tried the distortion channel on my amp with the hum debugger before my preamp. I was disappointed because the distortion did sound weird. I would describe the sound as more metallic and less warm. Then I tried the hum debugger in my effects loop. The distortion now sounded great. It was still able to eliminate the hum when used after the preamp. At this point I thought the pedal was perfect. That is, until I tried some scratches and harmonics. This is the only thing I noticed to be a major problem. The hum debugger will preserve your playing tone with I'd say minimal tone coloration. You can notice it more on a dirty channel. The hum debugger definitely messes with your harmonics. I believe this to be because the pedal removes hum by filtering 60Hz and all harmonics (120Hz, 240Hz, etc). I found this ultimately unacceptable; however, this may not be noticeable to some. I tried this product with a Fender Supersonic Amp and a Fender American Deluxe Strat with EMG-SA pickups.

Reviewed by 14 customers

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Displaying reviews 1-10

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1.0

Did Not Work At All For Me

By Rob Wignall

from Denver, CO

This device did absolutely NOTHING to remove hum from my signal when I play with single-coil pickups. I tried it at the front of my effects chain and at the back, and it didn't matter - it made absolutely no reduction in hum whatsoever. I even exchanged the first one for another one, after the customer service people at Electro Harmonix said it might be defective, but the second one worked no better than the first. Evidently this thing works great for some people, and the online video demonstrations are impressive, but I must be one of the unlucky ones whose hum is caused by some other problem. A friend of mine said it didn't do anything for him either. I guess the only way to know is to try it for yourself.

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1.0

Does Not Work At All

By Rob Wignall

from Denver, CO

I bought this with high hopes, but unfortunately it did NOTHING to removed the hum from my single-coil signal. I tried it first and last in my effects loop, no difference. I even exchanged it for another one on the advice of Electro Harmonix, but the second one didn't work any better than the first one. The online videos showing how well this product works are impressive, and I do believe it works for some people, but it did nothing for me and a friend also had similar disappointing results.

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5.0

Six stars - no, SEVEN! Silence is indeed golden!

By Michael Gabriel

from Los Angeles, CA

Listen up, dudes/dudettes: I've been plagued with hum, buzz and noise problems for decades now, especially with my love of compressors and single-coil pickups. I have used as many as FOUR different cascaded noise gates to get a reign on the noise, with barely acceptable results. When I got my EXO Hum Debugger, I was completely floored--the 60-Hertz hum, and its associated harmonics, was THE source of almost ALL of the noise! And, it was GONE! Gone whether I played or not! Even with the volume CRANKED, and facing into the amp! Not only does this bad dog ALSO make my Strat sound better, with little or no artifacts I can detect, but ALL of my effects sound better as well, because subliminal levels of HUM were causing inter-modulated distortions. Even my NOISE GATES sound better, and I can either turn them off or way, way down. I want to repeat that there are NO ARTIFACTS detectable that are anywhere near as obnoxious as the eliminated HUM and BUZZ! If I was Emperor, not only would HEADS ROLL, but I would require ALL electronic gear to contain at least one of these dogs, y'all!

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(1 of 1 customers found this review helpful)

 
5.0

Hum Free Livin

By Jrod

from Winona Lake, IN

I got a noisy strat which needed to be tamed. After reading some forums I though best to put it in the effects loop of my Vox VT 120 and voila! No more hum. I will say that there are some "chorusy" artifacts that are noticeable when place in the front end of the amp. However, with it in the effects loops said artifacts, if there are there at all, are unnoticeable. I can hum but now my strat can't!

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(0 of 4 customers found this review helpful)

 
3.0

Debugs if you have a terrible amp maybe

By Daniel Donaldson

from Jacksonville, Florida

Features: Yeah it's built like a tank as far as I can tell. Quality & Reliability: Quality? well it turns on when I plug it in. However, as far as the technology is concerned. I'm not too impressed. Look & Feel: Well it looks god awful, but it feels like your standard pedal

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(19 of 19 customers found this review helpful)

 
4.0

Best Option Available as of 2010

By Rob

from New York, New York

I've been fighting the "Battle of Bull-Hum", for quite some time. My resume includes reading every product's review on this website, YouTube demos & above all buying/trying every single noise reduction product Guitar Center offers. In short, this is the best one by far. Despite slight tone coloration (most noticeable when strumming muted strings with distortion) that sounds a little Styrofoam-like (better trade off compared to loud buzzing hum). I'm willing to accept that knowing what every other product sounds like. Having the ability to stomp on/off through performances can overcome any unnatural sounding parts of songs. Feel free to read on for competitive item's drawbacks that make the Hum Debugger your best choice: I first had high hopes for ISP's Sonic Decimator G-String: Did one of the best jobs removing noise but: 1. long sustained notes DO NOT decay naturally and end abruptly. Try sustaining a high pitch note for over a measure and you'll be disappointed. Great pedal for shredders perhaps, but not those that like to play with a lot of space. 2. Noise comes back when you play your notes and disappears only when guitar isn't played. If you play soft and with low dynamics you are in trouble, as noise overpowers your desired notes! 3. I wasn't happy how unnaturally the noise came in and out (It's almost better to always have noise, cause your ear gets used to it) and that by itself becomes equally noticeable as unnatural. I then tried MXR's Smart Gate, Ebtech HE-2-XLR Hum Eliminator with XLR, Ebtech's HUM X, ROLLS HE18 BUZZ OFF HUM ELIMINATOR ,Nady HE-1 Hum Eliminator,ART Dual Transformer/Isolator Hum Eliminator ,ART CleanBox II Passive Hum Eliminator & Ebtech 2-Channel Hum Eliminator. All my experiences with these- didn't remove hum/noise and took off from original signal. I gave the Hum Debugger 4 stars (would of given 4.5 if an option) cause although not perfect, it is simply the best choice out there and will definitely not affect long sustained notes, no noticeable in/out of noise, minimal tone coloration, ease of use. The next generation version of this unit should be a little smaller (think Keeley 4knob compressor size) and perhaps offer to add back the frequencies taken away with the hum (in a post-processed stage that wouldn't reintroduce hum). If they could do that, it would dominate the market. Until then, this unit easily wears the crown.

Comment on this review

(4 of 4 customers found this review helpful)

 
5.0

The Real Thing

By Peter Welty

from Hayward, CA

I'm so glad I have one of these things. The Hum Killer does exactly what the maker says. I've been playing house parties lately. Old houses, not grounded properly. I have a Tele with original type single coils. Big buzz until I click on my Hum Killer. Then silence. Lovely silence.

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(7 of 7 customers found this review helpful)

 
5.0

Excellent! It REALLY Works!

By Steve Hacker

from Bainbridge, Georgia

The Electro-Harmonix Hum Debugger REALLY DOES work! I LOVE mine! I've had some wicked-bad 60Hz hum problems, as well as other general noise issues to deal with recently and it REALLY DOES work! I don't know if it's a 180-Degrees-Out-Of-Phase noise canceling device, for example, like some noise canceling headphones are (applying an "anti-signal" to the signal to create zero noise), but it is DEFINITELY NOT a Noise Gate, nor is it a Noise Reducer. It really is a Noise Canceler. Now, it DOES color the tone a bit. To me, it sounds like a slight chorusing effect, but it's not undesirable, as, to me, it seems to add to my tone in an embellishing way, especially when using distortion. I plan to buy a few more of these to have in all my studio rooms :)

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(3 of 4 customers found this review helpful)

 
4.0

it does what it says, mainly

By hummingbird

from Bloomington IL

This pedal does what it promises: It takes the hum from single coiled guitars. In my case that was just half the battle. Humming produced by my pedals is still present, although reducing the hum from the guitar has helped a bit. Make sure that you can identify the source of your problem before you buy it.

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(3 of 3 customers found this review helpful)

 
5.0

Hum Eliminator

By willie raggs!

from jacksonville florida

This is best pedal I have bought in years!! I've had them all. I run my unit thur a raven amp set, 100 watts combo/slant cab setup w/effects and second setup with a vox 212...I play in a older home built in the 50's and the wire is not that good but the hum eliminator took care of that...buy this thing and put in your rig, you won't be sorry!!

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