But for the most part, they fit very tightly in the flatwork. Pre-1965 magnets are inconsistent in diameter, ranging from. Usually the magnets have one end chamfered, which helps guide the magnet thru the vulcanized fibre flatwork (this is very noticible on Strats, and non-existant on pre-1955 Teles). They are „sand cast”, and hence have a crude, rough look with pitting left from the sand cast. Note vintage Fender pickup magnets are the Alnico type, consisting of Aluminum, Nickel and Cobalt. Reversing the poles of a pickup will also reverse the phase of the pickup. All magnets have two poles: north and south. Magnetic Polarity (MP): This is the magnetic polarity on the top side of the pickup. Reversing the winding on a pickup will reverse the phase of the pickup. TC means the top of the bobbin is turn towards the winder. TG means the top of the bobbin is turning away from the winder. TR means the top of the pickup bobbin is facing right. Seymour Duncan’s terminology best describes this: TL means the top of the pickup bobbin is facing left. Winding Direction (WD): This is the direction in which the pickup was wound. These vintage pickup winding machines were manually run by humans, so the exact number of turns can vary from pickup to pickup. Fender had a mechanical counter attached to their winding machines that counted the turns. Turns or Windings: this is the number of turns of wire used on the pickup. Also this is why single coil pickups that are wound with tons of wire (to approach Humbucking ohms) don’t sound very good. Hence Humbucking pickups have more mid-range and are „hotter”. ![]() This is why single coil pickups have more treble and less output than Humbucking pickups (which use two coils). But be aware, higher resistance comes at a cost: lose of treble frequencies. Also the higher the resistance, the louder or „hotter” the pickup. The longer the pickup wire and more turns used, the higher the resistance. The two Humbucking pickups are combined in parallel (even though the two coils of each pickup are in series), thus giving the average of the two pickups divided by two. Also, the in-between switch setting on a Humbucking two pickup Gibson is less powerful than each pickup individually. ![]() Parallel is why the „in-between” setting used on a Stratocaster (combining the middle pickup with the neck or bridge pickup), does not produce a Humbucking pickup sound. ![]() Note the difference bewteen parallel and series wiring of pickups/coils. In either case (parallel or series), the hum does cancel, hence the name „Humbucking”. The two coils are wired in series so the total resistance is additive, hence producing a „hotter” and quieter pickup (if the two coils were wired in parallel, the total resistance is half the sum of the resistances of each individual coil, assuming both coils are about the same resistance). Each coil is reverse wound so that the hum from first coil cancels the hum from the second. Humbucking pickup: This type of pickup has two single coils combined into one unit. This would include 60 cycle hum and fluorescent lights. Single coil pickups are easily influenced by outside noise. Single coil pickups have a single slab of wound wire around magnet(s). This compares to Gibson, which started using double coil (Humbucking) pickups in 1957. Single Coil Pickup: All vintage Fender pickups are single coil units.
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