Danelectro Heaven Hawk A best guitar collection is actually similar to a powerful mike coil. For many years, energetic microphones have now been sent with the voice coil attached to the primary of the microphone's transformer, and not referenced to floor (‘floating'). The microphone's case is typically attached to the cable guard, which will be connected to the microphone amplifier's ground (see Rane's web site for more discussion).
By and big, energetic microphones are extremely quiet devices as a result of the combination of transformer solitude and balanced, floating indication lines throughout, as well as shielded, humbucking coils.
Therefore why not guitars? Instruments are once affected by noise. Humbucking pickups are just a partial (though crucial!) solution. The most obvious answer is always to float practicing the guitar pickup to a healthy output, as being a microphone. The same thought was printed that 2001 patent application like this Danelectro Heaven Hawk?