Quantum TBX

Quantum TBX (Starting at $7,299.00 Street) 

Standard Features:

  • Chechen, Walnut, Bubinga, Myrtle, or Spalted Maple Top (non figured)
  • Contoured double-cutaway alder body
  • Choice of Bookmatch to center top, or Two Piece Top with KLD carbon fiber center
  • Satin finish body & neck
  • 35” scale, 24 fret thru-body carbon fiber neck
    • 34" Scale, 26 Fret optional (see below)
  • Phenolic Fretboard
  • Bi-directional relief adjusting truss rod
  • Side dot position markers
  • Compound radius composite fretboard
  • Choice of EMG, Bartolini, or Aguilar Preamp / Pickups
    • Epifani onboard preamp optional
  • Choice of Black, Chrome or Gold hardware
  • Gotoh GB70 Tuning Keys (20:1 Gear Ratio)
    • Gotoh GB350 Ultra Lite tuning Keys optional ($30 each)
  • Hipshot A-Style bridge
    • ABM Single Rail Bridges optional ($150)
  • Modulus Form Fit TKL Vectra Hardshell Case

Body Options / Upgrades

  • Exotic Wood Tops ($600 - $1500):
    • 5A Quilt Maple, 5A Flame Maple, Buckeye Burl, Burl Maple, Figured Bubinga, Figured Walnut, Myrtle Burl, Figured Spalted Maple, Coco Bolo, Olive, Lacewood, KLD
  • Semi-Hollow Body ($500)
    • With custom hand cut F-Hole ($300)
  • Body Finish Upgrades ($500):
    • Transparent Body Finish: Amber, Blue, Clear Gloss, Clear Satin, Clear Gloss, Green, Orange Crush, Purple, Red, Sienna
    • Velvets: Black Cherry, Blue over Red, Blue, Green, Royal Velvet, Pink over Blue, Red over Blue
    • Sunburst versions of all Velvet colors
    • Stones: BlackStone, BlueStone, GreenStone, PurpleStone, RedStone
    • Sunburst versions of all Stone colors
    • Sunbursts: Blue/Green, Blue/Purple, Cherry burst, Vintage burst, 2-Tone, 3-Tone, Sienna burst

Neck Options / Upgrades

  • Body Matching Wood Peghead Veneer ($400)
  • Chechen fretboard ($300)
  • Honduran rosewood fretboard ($500)
  • Gloss finished neck ($300)
  • Fretless fingerboard ($100)
  • 34” scale / 26 Frets ($300)
  • Top Dot Fretboard Inlays ($100)
  • LED's ( $1,400 - $2,000)


  • EMG active pickups with 2-band or 3-band preamp
  • Bartolini pickups with 2-band (NTBT) or 3-band (NTMB) preamp
  • Aguilar pickups with 2-band (OBP-1, OBP-2) or 3-band (OBP-3) preamp
  • Optional Epifani 3-Band Preamp ($125.00)


 Model #             Type                     Nut          @24 fret         String Spacing

Q5TBX                5-string               1.85”        2.75”                17mm

QW5-19TBX     5-string wide    1.90”        3.00”                19mm

QW5-21TBX     5-string wide    2.00”        3.25”                21.5mm

Q6TBX                6-string              2.00”        3.25”                 17mm

Order Information

We are currently producing 4 basses per month, and allocating time and resources into research and development.  We are taking orders for basses, but this is on a first come, first served basis. Our only means of distribution at this time is PlanetBass.com.  For detailed pricing information or to order your custom Modulus Quantum TBX, contact Planet Bass by email at info@planetbass.com