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TheGigRig HumDinger
HumDinger pic
If you use 2 amps, mains powered effects, or need to drive long cables, the HumDinger is essential.


The Humdinger was designed to eliminate earth loops in audio equipment by isolating the second output with a high quality audio transformer.

" The Main output is buffered using our custom designed 1:1 class A buffer design guaranteed not to mess with your tone.
" The Isolated output uses a high quality audio transformer to the best signal possible.
" The isolated output also features a PHASE switch, so you can get rid of any phase problems between two amplifiers.
" Both outputs will drive long lengths of cable so you don't need to worry about the distance between your pedal board and your amp.
" It's impossibly small and will fit on even the smallest of pedal boards.


Earth loops are a common complaint. As soon as the ground on your gear has more than one main route to earth, you have the potential for an earth loop.
The best and safest way to get rid of an earth loop is to isolate the ground that is causing the hum.

Using the HumDinger to get rid of earth loops is easy. If you use 2 amps all you need to do is stick the HumDinger at the end of your effects chain. Your main (buffered) output goes to one amp, and the isolated output goes to the other. Your earth is consistent through the main output but isolated through the isolated output.

Using a mains powered effects pedal, simply place the HumDinger in the chain after the mains powered effect.
The Mains powered effect is your main ground and the ground from the amp is isolated.
Below is a simple way to set up the HumDinger with two amps to ensure that your getting the best possible tone with no earth loops or ground hum.

click here or the image to see a larger version
HumDinger graphics
You can also use The Gig Rig HumDinger with your Pro-14 and MIDI-8 to facilitate some truly amazing switching options.

check out some different set-up options on the FAQ's page by clicking HERE
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