The Turkowiak Double-Top Crossover Opus Prime #737 is a truly groundbreaking instrument, redefining the possibilities of the modern crossover guitar. Handcrafted with a Spruce/Cedar double top and Amara Ebony back and sides, and enhanced by the innovative A.R.S. (Acoustic Resonance System), it seamlessly fuses traditional luthiery with world-first patented technologies. Every element—from the elevated African Ebony fingerboard with a 16″ compound radius, to the offset soundhole, bone inlays, and Wave Resonator soundboard—has been meticulously engineered to deliver exceptional projection, comfort, and tonal balance. Featuring the innovative Ebony Impedance bridge and the Acoustic Tubes neck system, the Opus Prime Crossover #737 offers remarkable precision and resonance, making it a truly unique instrument for discerning jazz and world-music players.
Turkowiak double-top crossover guitar #737 Opus Prime specification:
- double top – Alpine Spruce (top) / Western Red Cedar (bottom)
- back & sides made of Amara Ebony
- elevated fingerboard made of African Ebony with 16″ compound radius
- asymmetric Turkowiak shape neck made of Mod.Aspen
- single offset soundhole with Amara Ebony rosette
- Open Head shape, double Amara Ebony headplates with a hand made logo made of bone
- Nut made of hand-shaped and polished and semi-scalloped bone, width 48 mm
- Saddle made of hand-shaped, polished and semi-scalloped bone
- high-quality, cosmo-black tuning machines with Ebony buttons, black aluminium rollers with bearings, screw inlay, ratio 18:1
- African Ebony bindings
- bone side markers dots diameter 2 mm at 3, 5, 9, 17, 19 and diameter 3 mm at 7, 12 (double) fret
- highly-resonant, anti-static varnish (own recipe), hand polished, high-gloss
- 18% nickel-silver fretwire
- scale length 650 mm
- Florentine (sharp) cutaway
- Origin: Poland
- Year: 2025
The price includes the guitar, brand hard case fitted to the guitar and lifetime warranty guaranteed (detailsin the warranty card).
Innovations:
- first in the world top with ‘WAVE RESONATOR’
- first in the world A.R.S. (Acoustic Resonance System) back&sides
- first in the world ‘ACOUSTIC TUBES’ inside the guitar neck (European Patent Office EP 3340231) withEbony outlets
- first in the world ‘SIGMOIDAL’ joint of the sides (European patent no. 008177463-0001)
- innovative, hand-shaped African Ebony Impedance bridge with stiffening wings encrusted with bone and Ebony (European patent no. 008177463-0003)







