- Posts: 13
- Joined: Jan 2015
I ordered the guitar with individual coil-split toggle switches, and my only minor issue has been that the split single coil sounds can be a bit harsh in the upper mids and treble frequencies because the 500k volume pot is still in place when the coils are split (whereas most single-coil setups use a 250k volume pot, which rolls off some of that high end). To address this, I came up with the following modification.
The spare pole on each DPDT coil split toggle is used to switch in a fixed 470k resistor to ground at the output of each pickup, so that when a split pickup is selected the 500k volume pot has a ~500k resistor in parallel with it, which is roughly equivalent to a 250k pot. When a pickup is not split, the 470k resistor is not connected, so in humbucking mode the 500k pot is retained. Below is a diagram illustrating this.
This has really smoothed out some of the "bright honk" and "bite" of the split-coil sounds, making them a bit more Strat/Tele-like, and I can now switch seamlessly from humbucker to single coil mode without adjusting the guitar's tone control or the amp EQ.
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Outside of that, I don't use coil splitting very much, and prefer parallel wiring, with series for that extra kick.
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