Recommended For: Bridge position. The Area J Bridge was designed to fit the bridge position of the original Fender Jazz Bass, which has neck and bridge pickup cavities of two different sizes. Some current basses use the same length pickup in both positions. Please refer to the dimensions link for the correct choice for your bass. Quick Connect: No Wiring: 4 Conductor Magnet: Alnico 2 Resistance: 7.80 Kohm Year of Introduction: 2009