4-string · Bolt-on
Kramer Disciple D-1: part of the Kramer Modern Collection and Kramer's premier full-scale electric bass. Mahogany body in the offset D-1 shape, 3-piece satin maple neck with a thin taper elliptical asymmetrical profile (40mm nut), ebony fingerboard with 24 medium jumbo frets, 34-inch scale. A single Seymour Duncan SMB-4D dual-coil pickup in the sweet spot with a volume per coil plus master tone (passive) and a flush-mount fully adjustable bridge.
| Construction | Bolt-on |
| Strings | 4 |
| Body | Mahogany |
| Neck | 3-piece maple |
| Fingerboard | Ebony |
| Middle Pickup | Seymour Duncan SMB-4D dual-coil |
| Controls | 2 volume (per coil), master tone; passive |
| Bridge | Flush-mount fully adjustable |
Artists documented playing the Kramer Disciple D-1: Travis Haley.