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Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal  

Item #: 
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... Click To Read More About This Product

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Gear returned in mint condition. If you're looking for a virtually new instrument in possibly less-than-perfect packaging, this is a great value.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
Gear returned in great condition, with only minor signs of use, such as slight scuffs or pick marks. It looks and plays like new and may be considered an equivalent to display units found in retail stores.
  • Includes 45-Day, No-Hassle Returns
  • Includes full manufacturer's warranty
Price:
$11750.00
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Overview
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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 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 pedal board. Green LED indicates when it's engaged.

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


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  • Customer Reviews
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Review Snapshot

by PowerReviews
Electro-HarmonixXO Hum Debugger Hum Eliminator Guitar Effects Pedal
 
4.2

(based on 17 reviews)

Ratings Distribution

  • 5 Stars

     

    (9)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

100%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (3)

Cons

No Cons

Best Uses

  • Amateur recording (4)
  • Home studio (4)
  • Performances (4)
    • Reviewer Profile:
    • Experienced (3)

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 17 customers

Displaying reviews 1-10

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(21 of 24 customers found this review helpful)

 
3.0

pretty close but...

By ConcernedConsumer

from CT

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

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.

(20 of 20 customers found this review helpful)

 
4.0

Best Option Available as of 2010

By Rob

from New York, New York

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

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.

(13 of 13 customers found this review helpful)

 
4.0

It's not transparent, but it works

By Eddie

from Dallas, TX

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

When I first plugged it in I was amazed. I have an old house with power lines going right by my music room. I switched it on and the hum was gone. It sounded good too. I didn't notice how it changed the sound until I started doing some A/B tests. It's hard to describe how it affects the sound, but it gives a slight reverb or doubling effect to your sound. If you are using a lot of other effects and distortion, it will probably go unnoticed, especially when playing chords. The change in tone is most noticeable when doing clean or simi-clean solos, and especially on the higher notes. Your notes kind of loose a bit of definition (if that makes sense) like you might get with a chorus or an extremely short delay.

(7 of 7 customers found this review helpful)

 
5.0

Excellent! It REALLY Works!

By Steve Hacker

from Bainbridge, Georgia

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

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 :)

(4 of 4 customers found this review helpful)

 
4.0

Works as advertised

By Jack Kashtan

from sacramento CA

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

Completely eliminates the very loud hum from my 64 Strat. No detectable change in tone played through an old Fender tremolux with Boss reverb and Digitech Bad Monkey OD, or through a Blues Jr, played clean or with some OD. I wish it used the same 9V transformer as my other pedals (it uses 7V), so I could daisy chain them off one power supply.

(4 of 5 customers found this review helpful)

 
5.0

hum killer

By sasafras t

from worcester,ma

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

I love this thing! I can finally play my strats without having to change the original pickups. I run my amps (fender hot rod deville and reverb deluxe) plugged into a powerstrip with a fan, and the hum was unbelievable. I plugged in the hum debugger and the noise was gone. Wish I had bought this years ago.

(4 of 4 customers found this review helpful)

 
5.0

The Real Thing

By Peter Welty

from Hayward, CA

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

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.

(3 of 3 customers found this review helpful)

 
5.0

Hum Eliminator

By willie raggs!

from jacksonville florida

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

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!!

(3 of 4 customers found this review helpful)

 
4.0

it does what it says, mainly

By hummingbird

from Bloomington IL

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

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.

(1 of 1 customers found this review helpful)

 
5.0

Hum Free Livin

By Jrod

from Winona Lake, IN

Comments about Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal:

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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