#SPLIT COIL VS SINGLE COIL VS HUMBUCKER BASS SERIES#
The switch connects (or doesn’t connect) the series link to ground, which shorts out the bridge coil and enables the neck coil. Most of the time when we coil split a series humbucker, what we are doing is taking that heat shrink tubing off and both of the wires in the series link and that gets wired into a toggle switch or push pull pot. However, not all pickup manufacturers use the same color coding, so this is actually valuable information. Many humbuckers ship from their factories with this connection already made as a courtesy indication of which two wires should be linked for series. Typically, this connection is insulated with a piece of heat shrink tubing this is the series link of the two coils. When a humbucker is wired in series it means the two of the four conductors are soldered together and to nothing else. Humbuckers are typically four-conductor wiring, and that gives you access to both sides of each coil. The vast majority of humbuckers are designed for and are typically used in series operation it is fairly easy to spot inside a control cavity. Type 1: Series humbucking / Split single-coil Some humbuckers are wired in series and some are wired in parallel, and coil split wiring for each of them is different. There are essentially two completely and fundamentally different ways it could be accomplished. We have established that you have to start with dual or quad-coil humbucking pickup to be able to implement a coil split. Despite all of these designs being dual-coil, they cannot be split. A classic example of a split-coil configuration is the Fender Precision Bass, but there are also many humbucking Jazz bass split-coil pickups.
If you were to turn off half of a split-coil pickup, you would “lose” two of those strings. On a 4 string bass, one coil senses the E (4) and A (3) string, while the other handles the D (2) and G (1). A split-coil pickup is where you have two shorter coils that each cover only half of the strings. Can a “split-coil” pickup be split?Īs counterintuitive as it might seem, a “split-coil” pickup cannot be split. If you have a quad-coil and split, you are left with a humbucking dual-coil. If you have a dual-coil and split, you get a true single coil. This basically means you are shutting half of the pickup off. What is coil splitting?Ĭoil splitting most commonly refers to dual coil pickups, but four-coil quad-coil pickups can be split as well. His “recording guitar” and low end counterpart “Triumph” bass had pickups that where “impedance variable” accomplished through the use of multiple coil taps on each coil and a rotary selector switch. The idea with a coil tap is when winding a single coil pickup, you stop the winder part way through the winding process, attach a new lead wire directly to the magnet coil wire at that spot, then continue winding this new lead wire is the “tap” for your single coil pickup, giving you access to multiple pickup impedances. Actual coil tapping is remarkably rare these days. Most of the time when someone says “coil tap,” they are actually referring a coil split.
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