In the previous post I mentioned some of the electronic mods that could be done to an instrument and I promised to look into them in the future.
Well welcome to the future! Altough depending on when you read this it could already be the past... freaky...
Let's start with the most common humbucker mods. Keep in mind that these mods require your humbucker to have four wires.
Note: Even though most humbuckers can be modified to have 4 conductor wires, this should only be done by an experienced tech.
Split Coil - A humbucker has two coils, and this mod "shuts off" one of them. In theory you now have a single coil, this also means that the typical single coil hum will be present.
As far as sound goes, let's just say that a single coil has a very different construction from a humbucker, so you might end up with a very thin, bright and weak tone. The end result is greatly influenced by the humbucker's design.
Variable Split Coil - This is one of my favourite mods. Especially nice for the folks who don't use the tone pot. Instead of "shutting off" one of the coils with a switch you can gradually turn the coil off. So you can have the full humbucker when the pot is on 10, only one coil active with the pot on 0. Between 0 and 10 will have one full coil and part of the other. Besides being very versatile you'll only get hum on 0.
Partial Split Coil - A cross between the the split coil and the variable split coil. Allows to choose between the full humbucker and one full coil and part of the other one. This allows to have 100% of a coil with 25% of the other one for example. Meaning you'll have a brigther tone, with less volume drop and no hum.
Coils Wired in Parallel - Most of your stock humbucker are wired in series. This means that the coils are adding to each other, you get more volume, more mids, more bass and less highs. By wiring than in parallel you'll lose some bass, but keep the mids and gain some highs. To me with a lot of humbuckers this gets much closer to the sound of a single coil than the split coil, with less volume loss and no hum. Different humbuckers will have very different results it's a hard mod to predict.
Coil Taping - This mod is often confused with split coil but it's something entirely different and is in fact not a humbucker mod, but a single coil mod. You'll need a special single coil to perform this mod. Seymour Duncan sells a couple of single coils that will allow you to do coil taps, like the Quarter Pound for Telecaster. Single coils that allow this mod will have three wires, the usual start and finish that will give you the full output single coil, and another one somewhere along the coil that will give you a second output reading. Let's say you have a high output single coil that measures 9k ohms (full output), and a third wire that will allow you to cut that output to a 5k ohms, that's coil taping. In the same pickup you can have the sound of a high output single coil and a vintage one. Works really well and gives a lot of versatility.
Next time will take a look of mods between two pickups (including connecting them in parallel or series, both in phase and out of phase) and mods for your tone and volume pots.
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