
Fig. 1
This guitar wiring is special in that the two tone controls are freely assigned, and the tone control is bypassed in the two in-between positions. Let’s go under the hood.
Hello and welcome back to Mod Garage. This month, we’ll have a look at the Scott Henderson Strat-style wiring and what it means to bypass the tone control for certain pickup-switching positions.
Bypassing the tone control in a guitar circuit has become popular in recent years, so let’s explore how to do it. We’ve discussed this before in the context of using no-load pots for the tone control. A no-load pot will be electrically out of the circuit when it’s fully opened, so the pot is no longer part of the wiring, and will add no load to the circuit. This way you will have no high-end dampening and the tone is a tad louder, which can be a good thing or not, depending on your personal preferences.
This works great but requires that you open the tone pot(s) if you want this very direct sound. Some players like to have a kind of preset without tone control so there is no additional action they have to take. So, the basic idea of bypassing the tone controls is to transfer it to the pickup-selector switch rather than using no-load pots. There’s no law against combining this mod with no-load pots for the tone control, so you still have the opportunity to use it for sounds where the tone control is engaged.
The credits for this wiring are given to John Suhr, but it’s unknown if he came up with this special wiring during his time as a Senior Master Builder in the Fender Custom Shop, or later, after he started his own business in 1997.
The preset idea is not a new one. Fender has used it since the early ’50s, and the basic idea behind it is still the same. Imagine the following scenario: You’re playing the bridge pickup on your guitar with the corresponding tone pot set to 7 to add some warmth to your tone. In the middle of a song, you need to switch to another pickup that is connected to the same tone pot, but you need the tone pot fully opened to cut through the mix with this pickup setting. Two steps are required now: You need to switch to the desired pickup position, and you need to open the tone pot. Wouldn’t it be nice to have this happen by only dialing in the other pickup position? This is exactly the idea behind bypassing the tone control.
To illustrate, I chose the personal S-style wiring of the award-winning fusion, jazz, and blues guitarist Scott Henderson. The credits for this wiring are given to John Suhr, but it’s unknown if he came up with this special wiring during his time as a senior master builder in the Fender Custom Shop, or later, after he started his own business in 1997.
Henderson is best known for his solo work but also for his band Tribal Tech, as well as for playing with Chick Corea and the Zawinul Syndicate. Henderson released his first solo album, Dog Party, in 1994 and has six solo albums to date. He’s also a teacher at the Guitar Institute of Technology, now known as the Musicians Institute in Hollywood, California. His signature S-style guitar is built by the Suhr company. Henderson and John Suhr got to know each other while Suhr was still working at the Fender Custom Shop, and Henderson became one of the first endorsers for Suhr Guitars.
Henderson wanted an exclusive tone control for the bridge pickup and full clarity in the two in-between pickup positions, so this wiring is exactly what he was looking for.
Henderson’s personal wiring is basically a standard Stratocaster wiring you all know:
- bridge pickup alone
- bridge and middle pickup together in parallel
- middle pickup alone
- middle and neck pickup together in parallel
- neck pickup alone
What makes this wiring special is that the two tone controls are freely assigned, and the tone control is bypassed in the two in-between positions. So, the switching matrix for the Henderson wiring goes like this:
- bridge pickup alone with tone control #1
- bridge and middle pickup together in parallel with no tone control
- middle pickup alone with tone control #2
- middle and neck pickup together in parallel with no tone control
- neck pickup alone with tone control #2
Henderson wanted an exclusive tone control for the bridge pickup and full clarity in the two in-between pickup positions, so this wiring is exactly what he was looking for. Another benefit is that the bypass of the tone controls for the in-between positions is slightly compensating for the little volume loss, which is the nature of the (passive) beast when you combine two pickups in parallel.
In a Strat with two tone controls, changing the standard 5-way pickup selector switch for a 5-way super-switch is mandatory because you can’t do all this with only two switching stages. We don’t need all four switching stages of the 5-way super-switch, so one stage will stay unconnected.
Technically, these are 4P5T wafer switches, and they’re available as open frame as well as PCB-based versions. These switches are physically a lot larger than the standard ones, so depending on what guitar you have, you can run into massive problems to make them fit without rerouting your electronic compartment. Always check this before you buy such a switch to avoid any unpleasant surprises. To make the open version from Fender fit, you need at least 21 mm of space for the switch, but it’s better to have 25 mm to avoid any problems with the soldering terminals.
So here it is, the Henderson wiring as seen in Fig. 1. This wiring uses three 250k pots, a 0.047 µF tone cap, and no treble-bleed network on the volume pot.
That’s it for now. Next month, we’ll continue the tone-pot-bypass journey by looking at a Telecaster wiring, so stay tuned.
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Empress Effects is proud to announce the release of the Bass ParaEq, a bass-specific parametric EQ pedal.
Building on the success of their acclaimed ParaEq MKII series, which has already gained popularity with bassists, the Bass ParaEq offers the same studio-grade precision but with features tailored for bass instruments.
Basses of all types – including electric and upright basses with active and passive electronics – can benefit from the Bass ParaEq’s tone-sculpting capabilities.
The new pedal follows the success of the Empress Bass Compressor and ParaEq MKII Deluxe, which have become some of the company’s best-reviewed and top-selling products. The Bass Compressor’s popularity confirmed what Empress had long suspected: bassists are eager for tools built with their needs in mind, not just adaptations of guitar gear.
The Bass ParaEq retains the line’s powerful 3-band parametric EQ and studio-style features while introducing a bass-optimized frequency layout, a selectable 10MΩ Hi-Z input for piezo-equipped instruments, a dynamically-adjusted low shelf, and automatic balanced output detection—perfect for live and studio use alike.
The Bass ParaEq also offers an output boost, adjustable by a dedicated top-mounted knob and activated by its own footswitch, capable of delivering up to 30dB of boost. It’s perfect for helping your bass punch through during key moments in live performance.
Whether dialing in clarity for a dense mix or compensating for an unfamiliar venue, the Bass ParaEq offers precise tonal control in a compact, road-ready form. With 27V of internal headroom to prevent clipping from even the hottest active pickups, the Bass ParaEq is the ultimate studio-style EQ designed to travel.
Key features of the Bass ParaEq include:
- Adjustable frequency bands tailored for bass instruments
- Selectable 10MΩ Hi-Z input for upright basses and piezo pickups
- Auto-detecting balanced output for long cable runs and direct recording
- Three sweepable parametric bands with variable Q
- High-pass, low-pass, low shelf, and high shelf filters
- Transparent analog signal path with 27V of internal headroom
- Buffered bypass switching
- Powered by standard 9V external supply, 300mA (no battery compartment)
The Bass ParaEq is now shipping worldwide. It can be purchased from the Empress Effects website for $374 USD and through authorized Empress dealers globally.
Kiesel Guitars has introduced their newest solid body electric guitar: the Kyber.
With its modern performance specs and competitive pricing, the Kyber is Kiesel's most forward-thinking design yet, engineered for comfort, quick playing, and precision with every note.
Introducing the Kiesel Kyber Guitar
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PG contributor Tom Butwin reveals his favorite songwriting secret weapon: the partial capo. Watch how the Shubb C7 and C8 can simulate alternate tunings without retuning your guitar—and spark fresh creative ideas instantly.
Shubb C8b Partial Capo for Drop-D Tuning - Brass
The C8 covers five of the six strings, leaving either the low E or high E string open, depending on how it's positioned.
- Standard setup: Placed on the 2nd fret while leaving the low E string open, it simulates Drop D-style sounds—except you're still in standard tuning (key of E). You get that big, droning bass feel without retuning.
- Reverse setup: Flipping the capo allows the high E string to ring, giving you shimmering drones and new melodic options across familiar chord shapes.
- A flexible tool that lets you simulate alternate tunings and create rich sonic textures—all while keeping your guitar in standard tuning.
Shubb C7b Partial Capo for DADGAD Tuning - Brass
The C7 covers three of the six strings—either D, G, and B or A, D, and G—depending on how it's flipped.
- Typical setup (D, G, B): Creates an open A chord shape at the 2nd fret without needing your fingers. This frees you up for new voicings and droning notes in the key of A.
- Reversed setup (A, D, G): Gets you close to a DADGAD-style tuning vibe, but still keeps you in standard tuning—great for modal, spacious textures often found in folk or cinematic guitar parts.
Use it alone or stack it with the C8 for wild, layered effects and truly out-of-the-box inspiration.