
Seymour Duncan JB Trembucker, Bridge, Nickel (TB-4)
In the 1980s guitar players and manufacturers really started playing with the idea of putting humbuckers in the bridge positions of Strats and Strat-like guitars. With the exploding popularity of the Floyd Rose tremolo system, many non-Fender "Superstrats" were born from companies like Jackson/Charvel, Kramer, ESP and others. All of these guitars with tremolos and bridge humbuckers created a dilemma: the polepiece spacing on traditional humbuckers was too narrow for the poles to line up properly under the strings. So the two biggest pickup makers came out with humbuckers with wider pole spacings; these were called Trembucker (Duncan) and F-spaced (DiMarzio). Many of Duncan's most popular humbuckers can be had in this wider spacing. Their most popular pickup of all time - the JB - is one of them. Blues, country, fusion, punk, hard rock, grunge, thrash; the JB has always sounded just right, even as new genres emerged around it. The low end is full and powerful, the highs are crisp and