i will have to say that the perfect bass for me is being done at this moment
its specs are like this:
nut width: 45 mm (1 3/4")
nut material: bone
width at last fret: 80 mm (3 1/8")
fingerboard radius: 10"
scale length: 34.5"
number of frets: 28
string spacing at bridge: 19 mm (3/4")
neck shape: asymmetrical D (thinner in the D and G strings and fatter in the B and E strings)
truss rods: dual
neck wood (neck through): wenge + wenge + wenge (light oil finish) (Spalted Maple head top + truss rod cover)
fingerboard wood: ebony, unlined fretless
body wood: black korina with thin ebony accent lines and spalted maple top (oil finish)
tuners: black Hipshot Ultralites (material: aluminium)
bridge: black Hipshot A bridge (material: brass)
knobs: black (JP standard)
locks: Jim Dunlop strap-lock
pickups: Lindy Fralin Hum Canceling Jazz, 10% overwound
strings: Thomastik-Infelt Flatwounds
i already paid 50%, i still have to wait some weeks for it to be finished.