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ACTUALLY...
guitar strings that work with magnetic pickups are conductive, AND when they vibrate in front of the mag-pup's magnetic field they do generate a charge, AND when we ground the strings to the same local ground as the pup we are feeding that signal into the backside of the git's output jack to the amp, AND if we picked the right "ground" from the pup they are in phase and constructive and add to the sound or if they are out of phase they are destructive and subtract from the sound. .
We use the term 'ground the pup' and 'ground the strings', but they are not EARTH grounds, they are actually local common reference. Much like the battery in your car, the negative (-) terminal is connected to the frame/body/chassis and called ground, but its a local reference, not an earth ground. if you touched an earth ground and the negative terminal on your car battery you'd get quite a surprise.
It's how a fancy/expensive ribbon mic works. a ribbon of conductive material hung in front of a magnet. as sound enters the cage and makes it vibrate, it produces a tiny charge, only a few millivolts. The housing of the ribbon mic hides a pre-amp to bump it up to tens/hundreds of millivolts. which is why ribbon mics need phantom power turned on.
I'm also a little confused! Pretty sure i hit the correct reply button... but anyhow, my attention was grabbed by the very first post that mentioned Induction Pups in 10-15 minutes. That's what I want to try. I have a couple wallwarts sitting here just waiting to be up-cycled into a CBG induction pup or whatever its called when you stick some magnets onto the thing you just pulled out of the wallwart case and solder the existing leads to the cbg output jack....
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