5, 6-string · Neck-through
Modulus Quantum TBX. 5, 6-string. 35-inch scale, 24 frets. Through-body carbon-fibre (graphite) neck. Phenolic fingerboard with a compound-radius composite surface, bi-directional relief-adjusting truss rod, side dot markers. Contoured double-cutaway alder body, satin finish. Pickups: EMG, Bartolini or Aguilar. Controls: Choice of EMG, Bartolini or Aguilar preamp; Epifani onboard preamp optional. Hipshot A-Style bridge, Gotoh GB70 tuners (20:1). Through-body carbon fibre neck (the TBX designation) rather than the Quantum's bolt-on. Bookmatched top to centre, or a two-piece top with a KLD carbon-fibre centre. 34-inch/26-fret neck available as an option. Modulus pioneered the carbon-fibre bass neck; the company builds to order in the United States at roughly four instruments a month and sells through PlanetBass.com. Street price starts at $7,299.
| Construction | Neck-through |
| Strings | 5, 6 |
| Body | Alder |
| Neck | Carbon fibre (graphite) |
| Fingerboard | Phenolic (compound radius composite) |
| Neck Pickup | EMG, Bartolini or Aguilar |
| Bridge Pickup | EMG, Bartolini or Aguilar |
| Controls | Choice of EMG, Bartolini or Aguilar preamp; Epifani onboard preamp optional |
| Bridge | Hipshot A-Style |
| Made In | United States |