Moollon Musical Instrument

Posted on Feb 5, 2014

Magnets with a very long coil wound around transform the vibrations of strings into an electric signal. (We are talking about `magnetic` pickups, not `piezo` pickups. ) In 1 Volume/2 Tone or 1 Volume/1 Tone types, the pickups` hot wires go to the selector first. In 2 Volume/2 Tone with 3-way toggle type, the pickups` hot wires go to volume pots first and then to

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the selector. But the basic role of making combinations of pickups is the same in either type. As a general rule, 250K is used for single coil pickups and 500K for humbuckers, which results in tone compensation for the bright single coil pickups and the mellow humbuckers. A capacitor is a passive electronic component that stores energy in a form of an electrostatic field. It consists of two conducting plates separated by an insulating material called "dielectric". DC(Direct Current) is cut by a capacitor, but AC(Alternating Current) flows through it. Also a capacitor`s behavior is frequency dependent - AC with higher frequency flows better through it. This characteristic is used for cutting treble range of an electric guitar. You can see a capacitor connected parallel to a guitar circuit with one end of it to the lug(s) of tone pot and the other to the ground. Tone pot controls the amount of current goes to capacitor. Also the quality of capacitor determines the sound quality even at the maximum tone level(10) because some parts of signal would still penetrate through the maximum resistance value(250K © or 500K ©) to the ground. But the capacitor still affects the tone even at tone level 10 as described above. For example, Fender ® is using "No Load" pot for one of the tones on American Series ®, which excludes the capacitor from circuit at tone level 10. This means they admit the effect of capacitor even at tone level 10....

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