Fender Jazz Bass - Design Features

Design Features

Some "Deluxe" Jazz Bass models feature an active pre-amp (usually with three bands of equalization) in place of a single passive tone control, these basses have three separate equalizer controls: bass and treble responses are controlled by the base and top of a stacked double pot, while midrange is controlled by a second knob. They came with 22 frets, abalone dot position inlays and an 18-volt power supply on some models. Known as Jazz Bass Deluxe since introduced as part of a major reworking of Fender's Electric Bass lineup in 1995, they have been renamed the American Deluxe Jazz Bass to the public as of August 2000 in a Bass Player magazine review of the new "Fender American Deluxe Precision V" five-string counterpart model to the American Deluxe Jazz Bass.

The American Deluxe Jazz Bass (available in four-string fretted and fretless, five-string fretted and left-hand versions) features two Samarium Cobalt Noiseless Jazz Bass pickups, designed by pickup designer Bill Lawrence. Fender used downsized bodies to accommodate the 22-fret neck and reshaped the pickguard with nine screw holes.

American Deluxes produced between 1995 and 1999 were initially available with "single-pole" pickups designed by John Suhr. These were soon changed to the Bill Turner-designed dual-coil Ceramic Noiseless units with nickel-plated (gold-plated on certain models) polepieces until the advent of the Bill Lawrence-designed Samarium Cobalt series in 2004.

Other refinements include a strings-through-body/top-load bridge, Posiflex graphite neck support rods, rolled fingerboard edges, highly detailed nut and fret work. Five-string versions are presented with a 4+1 tuner arrangement and two Hipshot string trees since 2002. The asymmetrical five-bolt neck plate, along with the smooth contoured heel allow much easier access to the upper registers. Bound fingerboards with pearloid block inlays were added with the introduction of the American Deluxe Jazz Bass FMT & QMT in late 2001, featuring flamed or quilted maple tops and gold-plated hardware. Fender discontinued these models in 2007.

As of March 23, 2010, the American Deluxe Jazz Bass has been updated with a pair of N3 stacked-coil Noiseless Jazz Bass pickups, an active/passive toggle switch, CBS styling and a 21-fret bound compound radius maple neck featuring rosewood or maple fingerboards with rectangular block inlays. Other features include Hipshot vintage lightweight tuners, "Strong Arm" string retainer bar for the A and low B strings, and Fender's High Mass Vintage (HMV) bridge.

The Mexican Deluxe Active Jazz Bass combines many of the features of the American Deluxe models with a traditional Standard Jazz Bass body, vintage-style hardware and a 20-fret rosewood (four-string) or pao ferro (fve-string) fingerboard. It also sports a three-band active circuit powered by two dual-coil ceramic Noiseless Jazz Bass pickups and a 9V supply.

The Custom Classic model was made at the Fender Custom Shop. This Custom Shop Jazz Bass was a cross between the American Vintage and the American Deluxe series. Features include an oversized select alder or premium ash body, a modern 34"-scale C-shape maple neck with an unbound rosewood, pau ferro or maple fingerboard featuring triangular pearloid block inlays and 21 medium-jumbo frets. Available in four- and five-string versions, all Custom Classic Jazz Basses came with a pair of custom-wound dual-coil Noiseless Jazz Bass pickups, a three-band active preamp, five-bolt neck plate, 18V power supply and a Deluxe string-through-body/top-load bridge with milled nickel-plated brass saddles. Models manufactured prior to 2003 (formerly known as American Classics) were identical to the mid-1990s American Deluxe basses in appearance, excepting the 22-fret bound maple neck featuring a rosewood fretboard and white block inlays. Fender discontinued the five-string version in 2009. The Custom Classic four-string Jazz Bass has been renamed Custom Active Jazz Bass as of 2010, featuring Fender's high-mass vintage (HMV) bridge and a 1960s Jazz Bass "U" shape neck.

The Standard Jazz Bass model is sanded, painted and assembled in Ensenada, Baja California along with the other Standard Series guitars. As of December 5, 2008, the Standard J-Bass has been updated with CBS era-style decals, a three-ply parchment pickguard and a tinted maple neck with rosewood or maple fingerboard (also available in a fretless version with a rosewood fingerboard and 20 inlaid white fretline markers). Other features include two staggered bi-pole single-coil pickups and a return to the black bakelite control knobs. Models produced before 2003 came for a period with black Stratocaster control knobs. The five-string version (introduced in 1992), available with pao ferro or rosewood fingerboard and a five-in-line tuner configuration with Gotoh Mini machineheads (c. 2006), has been updated with a tinted maple neck featuring a dark rosewood fingerboard and a 4+1 tuner configuration with Fender/Ping tuning machines as of 2009.

The Jazz Bass has a bright sound, with more high end than the Precision Bass. This makes it ideal for slap playing as well as finger-style players. This bright sound is due to the fact that there are two pickups at different points in the string's length. The bridge pickup gives a tone with more treble, while the neck pickup will yield a rounder sound. The ability to blend the volume of both pickups allows for a wider variety of tones than the Precision Bass can produce. Pickups are RWRP (reverse wound, reverse polarity) from one another, so all hum will be canceled when both pickups are at full volume.

All five-string Jazz basses came with pao ferro fretboard since 1990 (some US Deluxe models were also available with a plain maple neck option). Fender offers its 5-string basses with rosewood or maple fretboard as of 2006 after discontinuing the pao ferro fingerboard option in late 2005. In 2008, Fender introduced the fretted and fretless Steve Bailey signature models, its first six-string Jazz Basses to feature a 9.5” to 14” compound-radius ebony fingerboard.

Having both pickups cranked up at full volume produces the classic scooped, "growling" sound which many players - such as Marcus Miller and Will Lee - use for slap bass playing. This sound is the product of certain frequencies from both pickups being out of phase and cancelling each other, leaving a "scoop" on the midrange. This is similar to what happens on some guitars when you blend the sounds from two different pickups, such as the Fender Stratocaster.