As a long time fan of Electro-Harmonix (not to mention the fact that I live in a 100-year-old house with really funky wiring,) I was more than a little intrigued last year when the company announced their new hum eliminator––the aptly titled Hum Debugger.
I’ve been keeping my eyes peeled ever since for a good demo video of the unit, and after taking a look at this great footage from Gearwire I have to admit to being pretty damned impressed… I have absolutely no clue what makes the Hum Debugger tick, be it digital, analog, or some kid of voodoo, but I know that I’m more than willing to plop down $100 for a bit of that buzz-scrubbin’ goodness.
Electro-Harmonix describes their product in just three succinct sentences––
“Absolutely eliminates hum from any audio source. Not a noise gate and not a suppressor. Dead silence in your signal chain courtesy of a little EH magic.”
Hyperbole? Perhaps… Over-the-top marketing hype? Probably… but check out the clip for yourself. It’s a bit hard to tell just how good this thing sounds from the floor of a noisy NAMM Show, but the demo has definitely got my interest piqued.
Looks like more of that good ol’ black magic from Electro-Harmonix…
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March 13th, 2007 at 5:35 am
I took a look on forums a while ago, and there were a lot of disappointed buyers. :(
March 13th, 2007 at 2:21 pm
I’m definitely going to think about picking one of these up for an on old Gibson ES 125 that my Mother in law is letting me play. The hum is incredibly loud, I think the pots are bad on it though, but maybe not. Thanks for posting this.
November 13th, 2007 at 8:31 pm
Hey, my Mother in law is letting me play her ES 125 also!
August 19th, 2008 at 10:45 pm
Not 100% sure but its most likely a 60 cycle notch filter: take the input and split it into 2 paths… track the hum and delay it a few ms to take one path out of phase… you can check out this web site for a basic design
http://www.national.com/ms/LB/LB-5.pdf#page=1
December 23rd, 2008 at 6:38 am
Not a notchfilter as it removes hum and also any other noise such as lighting dimmer crackle. It is magic, however on Strat single coils when “Strong” is selected (some) sustained notes seem to pulsate. In “Normal” mode it is fine. Only had it for a few minutes and can say it certainly does what it claims with a slight colouration of sound. A great addition to in any effects chain.
It’s PATENT APPLIED FOR. Had a look for it on the web and not found the application – yet.
June 3rd, 2011 at 2:34 pm
Mine eliminates at least 60% of the hum. The Hum DeBugger is the enemy of all dimmer switches, heh-heh. Now I can use my P-90 LP Special again at home.