4, 5, 6-string · Neck-through or bolt-on, carbon-reinforced
JCR's take on the Jazz Bass (JB) in 4-, 5- and 6-string with exotic tops and roasted options (e.g. JB4 CM Movingui, JB5 CM VW, JB6 SA Roasted). Two single-coil J pickups. Hand-built in Spain by JCR Luthier (20+ years' experience; 5-year warranty). Premium exotic tops (black limba, buckeye burl, ziricote, zebrano, poplar burl, eucalyptus pommele, redwood, walnut, pau ferro), mahogany or select bodies, multi-laminate carbon-reinforced necks (bird's-eye maple/zebrawood/wenge), Ebony Macassar fingerboards, 34" (or 35") scale, stainless-steel frets, Delano or Nordstrand pickups, Trickfish/3-band preamps, Hipshot or Schaller bridges. Highly configurable; ~4 kg (Ultralite options lighter). About EUR 2,450-3,800 ($2,646-4,104).
| Construction | Neck-through or bolt-on, carbon-reinforced |
| Strings | 4, 5, 6 |
| Body | Mahogany / select tonewood with exotic top |
| Neck | Multi-laminate (bird's-eye maple, zebrawood, wenge) with carbon reinforcement |
| Fingerboard | Ebony Macassar |
| Neck Pickup | J-style single-coil (Delano/Nordstrand) |
| Bridge Pickup | J-style single-coil (Delano/Nordstrand) |
| Controls | Active 3-band preamp (Trickfish and others) |
| Bridge | Hipshot or Schaller |
| Made In | Spain |