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FDP Forum / Fender Guitars: Stratocasters / Strat Spacing Issue


Rock Of Gibraltar

Thou Shalt Gas !
Sep 23rd, 2017 04:30 AM   Edit   Profile  

Hi guys fixing a mixed parts strat for a friend, with an SSH config (hb in the bridge)

The Low E and A miss the polepieces on the HB quite badly but fine on the SC.

The humbucker E to E spacing is 48mm and the bridge 51.50mm

I'm guessing one of the two is incorrect possibly the humbucker?

Thanks !

FDP Data Goon

We all want

our time in hell
Sep 23rd, 2017 04:44 AM   Edit   Profile  

They're both off (or you're measuring oddly) by the Lollar etc standards that they have listed.

Rather than what it looks like, how does it sound is my guide?

When I've changed pickups, I've never worried about string spacing on anything that wasn't a hexaphonic pickup, and well...that won't apply here.


Rock Of Gibraltar

Thou Shalt Gas !
Sep 23rd, 2017 04:55 AM   Edit   Profile  

thanks low power on the low E and A they dont go anywhere near the pole pieces

what should be the correct measurements ?

FDP Data Goon

We all want

our time in hell
Sep 23rd, 2017 05:10 AM   Edit   Profile  

Depends on the bridge spacing and the nut/neck width.

On a partscaster, it'll vary to a point where it's not necessarily "should be."

Seymour Duncan explains the bridge bucker and evolution of said spacing in some depth.



Rock Of Gibraltar

Thou Shalt Gas !
Sep 23rd, 2017 05:38 AM   Edit   Profile  

thanks for the info much appreciated !



Sep 23rd, 2017 10:20 AM   Edit   Profile  

I'm not sure that anything is really "off".

Without digging into it and taking a lot of notes and comparing things (which I'll leave to you), my off the cuff response is that since it's a Parts-o-caster, Lord knows what parts are on it that are mixed and matched. So calling one part "off" is a relative term.

There are different spacings between USA bridges and import (Mexican, Japanese, Korean, etc) bridges. Then there are the pickup spacings between "F" and regular (Fender versus Gibson). And who knows how pickup manufacturers have twisted these over the years.

I don't know what Lollar uses, or Seymour Duncan, or whomever.

For bridge spacing, as a starter GFS has them (or what they use) listed with a lot of their Strat trems.

Pickup pole spacing: Dimarzio has them under their "Support" section.
Here's a snippet:

"How do I know which spacing to use?
F-spaced pickups measure 2.01" (51 mm) center-to-center from the first polepiece to the sixth. Standard-spaced pickups measure 1.90" (48 mm). Although some players believe that F-spaced pickups are only for the bridge position of tremolo bridge guitars, many guitars with fixed bridges (including post-1998 Gibson® and Epiphone® Les Paul®, SG® and semi-hollow guitars) should have F-spaced pickups in the bridge position. Most tremolo equipped guitars that have a nut width of 1-11/16” (43mm) or more should also use an F-spaced pickup in the neck position. If you’re replacing a bridge-position pickup and you're not sure what your string-spacing is, it's usually better to get an F-spaced model. It is not necessary for the strings to pass exactly over the center of the polepieces for best performance, but it is wise to avoid a situation where the E strings are sitting completely outside of the outer polepieces."

Good luck.

(This message was last edited by ejm at 09:12 PM, Sep 23rd, 2017)

Te 52

Laws of Physics

strictly enforced
Sep 23rd, 2017 12:25 PM   Edit   Profile  

The question that is not being asked here is "How important is it that the strings lie dead center over their respective pole pieces?"

The answer is, not very. The magnetic field produced by a typical pickup is diffuse and cloud-like. There is plenty of magnetic flux off to the sides of the pole pieces in every direction.

If you do notice that your high E or low E is deficient in volume, you can raise that side of the pickup a little.

Mick Reid
Contributing Member


American-made in Oz!!
Sep 23rd, 2017 05:41 PM   Edit   Profile  

"If you do notice that your high E or low E is deficient in volume, you can raise that side of the pickup a little."

Also, if it's the humbucker's E/A that are deficient, the poles should be able to adjusted individually.

Contributing Member


ex Machina
Sep 23rd, 2017 08:16 PM   Edit   Profile  

Here's a good place to start.


Contributing Member


ex Machina
Sep 23rd, 2017 08:22 PM   Edit   Profile  

The thing to keep in mind is on just about any electric guitar, the string spacing is tighter at the neck heel than at the bridge. No makers actually pay attention to this when spacing the poles of the hpickups for a Strat...not even Fender.

Duncan came out with the Trembucker spacing years back. All this is is a wider spacing of the polepieces, designed to accommodate the wider string spacing of Fender and Floyd bridges--compared to the narrower spacing on Gibson, etc., that use TOM bridges.

Like Te52 says, as long as the string is in the pickup's magnetic field and close to the coil, it will make good tone.



Sep 25th, 2017 07:55 AM   Edit   Profile  

MIK pickups and Asian Strats have 50mm spacing at the neck pup and 52mm spacing at the bridge pup. This seems proper.

Contributing Member

So. Cal. USA

Sep 25th, 2017 01:53 PM   Edit   Profile  

I just built a Tele with an HH pickup configuration. I notice no issues with string volume even though I'm using a very vintage set of PUs that are not F spaced at the bridge.

(This message was last edited by Hammond101 at 06:52 PM, Sep 25th, 2017)

FDP Forum / Fender Guitars: Stratocasters / Strat Spacing Issue

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