 Features include a sleek alder body, a graphite reinforced maple neck with a 2-octave rosewood fingerboard, a pair of dual-coil Ceramic Noiseless Jazz Bass single-coils (neck/bridge), a custom-wound split-coil Precision Bass humbucking pickup (middle) and a 3-band active EQ with 18V power supply.These basses were discontinued in 2010.Hamm then had his own Washburn signature models since 2011, the AB40SH acoustic bass and the Hammer, featuring EMG pickups, Hipshot bridge/tuners and a 3-band active EQ - followed by a fretless version (SHBH3FLTSS) and the Stuart Hamm Electric Bass series, introduced on January 20, 2012.