Pickup

    Seymour Duncan JB Jr. SJBJ-1b (Strat, Bridge)

    A true dual-coil humbucker built into a Strat-sized single-coil housing, so it drops into a standard Strat-style single-coil route without routing.

    12 guitars checked: 12 likely drop-in.

    Seymour Duncan JB Jr. SJBJ-1b (Strat, Bridge)

    Where to buy

    Andertons

    £119.99In stock
    View at Andertons

    Part specs

    Dimensions (L × W × D)

    Not published

    Needs verification

    Pickup type

    Humbucker (Strat single-coil-sized housing, bridge position)

    Confirmed

    Installation notes

    Designed for 250k pots, matching the single-coil circuits it replaces rather than the 500k pots typical of full-size humbucker wiring.

    Guitars we've checked

    12 guitars checked: 12 likely drop-in.

    Fender Aerodyne Special Stratocaster

    Fender

    Aerodyne Special Stratocaster 2023

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into a standard Strat single-coil route with no routing.

    Fender American Performer Stratocaster

    Fender

    American Performer Stratocaster 2019

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into a standard Strat single-coil route with no routing.

    Fender American Professional II Stratocaster

    Fender

    American Professional II Stratocaster 2023

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into a standard Strat single-coil route with no routing.

    Soldering

    Fits the standard Strat single-coil route with no routing needed. Humbucker-style pole pieces are not typically staggered like a single-coil, so handedness is not a real concern here. You will need to solder it in.

    Why we say this

    A humbucker built into a single-coil-sized housing, drops into the standard Strat route with no routing. Humbucker-style pole pieces are not staggered the way vintage single-coils are, so this is not expected to carry the same handedness-specific stagger risk as this guitar's other pickup options, though that has not been independently confirmed for this exact model.

    Fender American Ultra Stratocaster

    Fender

    American Ultra Stratocaster 2023

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into a standard Strat single-coil route with no routing.

    Fender American Vintage II '57 Stratocaster

    Fender

    American Vintage II '57 Stratocaster 2023

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized bridge route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into the bridge route with no routing.

    Fender JV Modified 50s Stratocaster HSS

    Fender

    JV Modified 50s Stratocaster HSS 2023

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized bridge route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into the bridge route with no routing.

    Fender Player Plus Stratocaster

    Fender

    Player Plus Stratocaster 2022

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into a standard Strat single-coil route with no routing.

    Fender Player Stratocaster

    Fender

    Player Stratocaster 2023

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized route, no routing needed. A full-size humbucker would need the cavity cut larger, this one skips that step.

    Why we say this

    A humbucker built into a single-coil-sized housing specifically so it drops into a standard Strat single-coil route with no routing. Worth flagging because a full-size humbucker in the bridge position would need the cavity enlarged, this one is designed to avoid that.

    Fender Player Stratocaster Left-Handed

    Fender

    Player Stratocaster Left-Handed

    Likely drop-in
    Soldering

    Fits the standard Strat single-coil route with no routing needed. Humbucker-style pole pieces are not typically staggered like a single-coil, so handedness is not a real concern here. You will need to solder it in.

    Why we say this

    A humbucker built into a single-coil-sized housing, drops into the standard Strat route with no routing. Humbucker-style pole pieces are not staggered the way vintage single-coils are, so this is not expected to carry the same handedness-specific stagger risk as this guitar's staggered pickup options.

    Squier Sonic Stratocaster Left-Handed

    Squier

    Sonic Stratocaster Left-Handed

    Likely drop-in
    Soldering

    A genuine humbucker squeezed into the stock bridge slot. Unlike a staggered single-coil, this style of pickup works the same for left and right-handed guitars, no stagger to worry about. Bridge position only. Needs soldering.

    Why we say this

    A true dual-coil humbucker built into a single-coil-sized housing, drops into the standard Strat bridge single-coil route without any body routing, not affected by handedness. Unlike this guitar's other pickup options, this is a genuine humbucker with individually height-adjustable poles rather than a staggered single-coil, so it sidesteps the left-handed stagger question entirely. Bridge position only.

    Yamaha Pacifica 112V

    Yamaha

    Pacifica 112V 2022

    Likely drop-in
    Soldering

    A real humbucker that still fits the existing single-coil-sized bridge route, no routing needed.

    Why we say this

    A humbucker built into a single-coil-sized housing so it drops into the bridge route with no routing.

    Help improve this data

    Nothing is flagged as an open question here right now. If you have fitted something to this Seymour Duncan JB Jr. SJBJ-1b (Strat, Bridge) that we haven't covered, send it in.