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Guitar pickups
Guitar pickup is in fact an electromagnetic coil. Guitar string, made of metal, a conductive material, vibrates in the pickup's magnetic field inducing electric current in the coil.
1) Single
Figure 1 illustrates construction of a single guitar pickup.
Pict. 1 Single guitar pickup stripped from insulation tape
Fig. 1 Construction of a single guitar pickup
Figure 2 illustrates single guitar pickup. It gives a natural, pleasant sound, it's susceptible to hum.
Fig. 2 Single guitar pickup
2) Humbucker
Figure 3 illustrates construction of a humbucking guitar pickup.
Pict. 2 Humbucking guitar pickup from the inside
Fig. 3 Construction of a humbucking guitar pickup
Figure 4 illustrates humbucking guitar pickup, which has the hum cancelling capability and sounds stronger and punchier. It's built from two singles connected in series. It lacks softness and can sound like a brickwall when trying to play clean tones.
Fig. 4 Humbucking guitar pickup
Pict. 3 Humbucking guitar pickup enclosed in plastic cover and filled with epoxy
3) Coil splitting
Figure 5 illustrates humbucking guitar pickup with coil splitter. It allows splitting the singles and connecting on of them to ground for a natural single tone. Push-pull type potentiometers and and additional two-way switches can be used for coil splitting, given of course that the humbuckers have 4-wire cables.
Fig. 5 Coil splitting in humbucker
4) Parallel connection
Figure 6 illustrates humbucking guitar pickup with it's singles connected in parallel. The tone is very much like the tone of two singles in a Strat type guitar, the difference is that the singles are very close to each other.
Fig. 6 Humbucker parallel connected
5) Out of phase connection
Figure 7 illustrates humbucking guitar pickup with singles connected out of phase. This rare connection gives a trebly tone with cancelled lows.
Fig. 7 Humbucker out of phase connected
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