Stradi Symphony Stone 2016, STONE top, titanium frets, great sound and articulation

For sale is a prototype of Symphony Stone Bass designed and handmade in Poland by by Marek Dąbek / Stradi. This bass was presented for the first time on 2016  Holy Grail Guitar Show in Berlin.
The bass is in great condition, with very minor signs of use (used only for presentations and tests).
Great workmanship, details and sound makes this bass exceptional piece of art.
The top is made of very thin layer of natural STONE. Handmade bridge is made of brass and ziricote, with stainless steel roller saddles. 
Fingerboard is made of beautiful piece of ziricote. The frets are made of TITANIUM , with spherical endings and invisible tangs for great left hand comfort.
Delano TheXtender pickup with 3-position coil switch in pair with excellent Glockenklang preamp gives lively and juicy sound - noiseless in any setup.
The playability is great and the bass is very sensitive for articulation.
Two carbon fiber tubes in neck makes it very stable and strong.

Specification:
Body: cedar core, seasoned oak top covered with thin layer of natural stone (protected with finish), alder bottom.
Neck: 5-piece, figured african mahogany, smoked oak stripes, flamed maple center core. 2 piece carbon fiber tubes reinforcements
Fingerboard: great quality ziricote, 24 titanium frets with spherical endings and hidden tangs, brass Parisian Eye side markers, zero fret
Bridge: Stradi Grand Piano bridge made with brass base plate and ziricote top. Prepared for RMC piezo saddles installation (available as additional option). 3D adjustable stainless steel saddles installed
Pickup: Delano TheXtender HE quadcoil pickup with 3-position coil switch (neck sigle / humbucer / bridge single)
Preamp: Customized 2-band Glockenklang preamp
Magnetic backlplate fixing system
Satin finish
Hipshot ultralite tuners (Gotoh Res-O-Lite tuners available as option)

Comes with hard case and certificate of authenticity