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Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal

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$118.50
MSRP: $158.00   Save $39.50 (25%)

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The beautiful sound of silence from a small pedal.

Listen – 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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5 Star Rating

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 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 ConcernedConsumer on 8/27/2007 who plays Rock.

9 people found this review helpful.
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5 Star Rating

It's not transparent, but it works

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.

Reviewed by Eddie on 5/24/2007 who plays Rock.

3 people found this review helpful.
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5 Star Rating

electro-harmonix hum de-bugger

Some one should have thought of this before, I'm playing in an old house where the old wiring makes single coil guitars unusable, now thanks to this pedal I'm able to use duncan phat-cats in my Hamer studio, normally I would have to change them out and use humbuckers. This pedal will also be real usfull if you use a compressor, I'd quit using them because the raise the hum when you are playing more softly, now i can concentrate on my music. I gave it a 2.5 for quality because it quit working one day and had to "reboot" it by umplugging the ac adapter. They don't say it, but this pedal has to be digital, line voltage has an axact frenquency of 60.000 hz, so a digital devic could subtract only that EXACT frequency while passing everything, 59.999 hz and below and 60.001 and above would be unaffected, theres an intensity swith that chooses to block just even harmonics or both od and even. They need to build this circiut into a guitar amp!

Reviewed by tubesrus2001 on 1/9/2007 who plays blues.

1 person found this review helpful.
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