Ordering a custom Acoustic Bass Guitar (A.B.G.) from our workshop offers a truly unique and personal experience. You have the freedom to choose from a wide range of woods, styles, and exquisite inlay materials.
Alternatively, if you prefer not to wait, you can explore our collection of available guitars

We create our basses in the following versions:
Opus Prime
Crafted from carefully selected master-grade woods, the Opus Prime offers a beautiful and refined sound. This model reflects our dedication to superior craftsmanship and attention to detail.
Opus Virtuoso
The Opus Virtuoso is made from rare, one-of-a-kind master-grade woods, delivering an even richer and more dynamic sound. It exemplifies our commitment to pushing the boundaries of quality. Each Opus Virtuoso includes the exclusive ‘Amber-Line’ inlays at no additional cost.
Opus Magnum
Our Opus Magnum, meaning ‘our greatest work,’ stands as a true one-of-a-kind masterpiece. Featuring ancient wood species, mammoth ivory, and genuine Baltic amber, it delivers the best possible sound. This model includes all of our patented and innovative solutions in the price, representing the pinnacle of our craftsmanship, designed for those seeking an extraordinary, unparalleled instrument.
Base Specification | Opus Prime | Opus Virtuosa | Opus Magnum |
---|---|---|---|
Patented Neck | Acoustic Tubes with African Ebony outlets | Acoustic Tubes with African Ebony outlets | Acoustic Tubes with mammoth bone outlets |
Innovative Soundboard Construction | WAVE type resonator | S-WAVE type resonator | X-WAVE type resonator |
Innovative Back&Sides Construction | Acoustic Resonance System (ARS) | Acoustic Resonance System (ARS) | X - Acoustic Resonance System (X-ARS) |
Patented Bridge | Black Ebony Bridge with Drilled Holes, adorned with authentic bone and Master Grade African Ebony inlays | Black Ebony Bridge with Drilled Holes, adorned with authentic bone and Master Grade African Ebony inlays | Flamed Ebony Bridge with Drilled Holes, adorned with authentic mammoth bone and natural Baltic amber inlays |
Patented Sides Joint | Sigmoidal Joint of the Sides | Sigmoidal Joint of the Sides | Sigmoidal Joint of the Sides |
Patented Translucent Head | - | *Amber HeadLight available with Signature Amber Upgrade | Amber HeadLight |
Patented Translucent Back Rosette | - | *Amber BackLight Rosette available with Signature Amber Upgrade | Amber BackLight Rosette |
Double-Top | Alpine Spruce from Tirol / Western Red Cedar | Alpine Spruce from Tirol / Old-growth Redwood | Ancient Kauri (ca. 50 000 years old with a certificate of authenticity) / Old-growth Flamed Redwood |
Back&Sides | Bolivian Rosewood with sapwood | California Black Walnut Burl | Ancient Kauri (ca. 50 000 years old with a certificate of authenticity) |
Scale | 32" / 34" | 32" / 34" | 32-34" |
Nut | 41 mm (1 5⁄8"), hand-shaped and polished authentic bone | 41 mm (1 5⁄8"), hand-shaped and polished authentic bone | 41,5 mm (1 5⁄8"), hand-shaped, polished and semi-scalloped authentic mammoth bone |
Saddle | Hand-shaped and polished authentic bone | Hand-shaped, polished and semi-scalloped authentic bone | Hand-shaped, polished and semi-scalloped authentic mammoth bone |
Soundhole | Central soundhole with rosette embellished with Bolivian Rosewood and two bone crown logos, OR single offset soundhole with rosette encrusted with Bolivian Rosewood | Central soundhole with rosette embellished with Black California Walnut Burl and two Baltic amber crown logos, OR single offset soundhole with rosette encrusted with Black California Walnut Burl | Central soundhole with rosette embellished with authentic mammoth bone frame, natural Baltic amber plates and two mammoth molar crown logos, OR single offset soundhole with rosette encrusted with authentic mammoth bone frame and natural Baltic amber plate |
Headplates | Double Bolivian Rosewood adorned with authentic bone crown logo | Double California Black Walnut Burl adorned with natural Baltic amber crown logo | Double natural Baltic amber adorned with natural white Baltic amber crown logo inlaid with three natural black diamonds |
Neck Wood | Modified Aspen with dual-action truss rod | Modified Magnolia with dual-action truss rod | Ancient Kauri (ca. 50 000 years old with a certificate of authenticity) with dual-action truss rod |
Neck Profile | Turkowiak Asymmetric | Turkowiak Asymmetric | Turkowiak Asymmetric |
Heel | Adorned with Black Ebony cap and Black Ebony crown inlay | Adorned with Black Ebony cap and natural Baltic amber crown inlay | Adorned with natural Baltic amber cap and natural Baltic amber crown inlay |
Fingerboard | Black Ebony, 16" compound radius, elevated | Black Ebony, 16" compound radius, elevated | Flamed Ebony, 16" compound radius, elevated |
Fingerboard side markers | Authentic bone ⌀2 mm at 3, 5, 9, 15, 17, 19 frets and ⌀3 mm at 7, 12 (double) frets | Authentic bone ⌀2 mm at 3, 5, 9, 15, 17, 19 frets and ⌀3 mm at 7, 12 (double) frets inlaid with natural Baltic amber | Natural white Baltic amber ⌀2 mm at 3, 5, 9, 17, 19 frets and ⌀3 mm at 7, 12 (double) frets inlaid with natural Baltic amber |
Frets | 21/24 frets | 21/24 frets | TrueTemperament 21/24 frets (up to C#) |
Frets material | 18% Nickel-Silver Extra-Jumbo (Bass) | 18% Nickel-Silver Extra-Jumbo (Bass) | EVO-GOLD (nickel-free) |
Tuning Machines | Single Schaller Mini Black | Single Schaller Mini Gold | Turkowiak Hidden-Mechanism tuners with natural Baltic amber buttons, natural Baltic amber engraved plate |
Comfort | *Optional Arm-Bevel and Rib-bevel integrated with the guitar body | Arm-bevel integrated with the guitar body; *Optional: Rib-bevel | Amber Arm-bevel and Rib-bevel integrated with the guitar body |
Varnish | Highly-resonant (own-recipe), anti-static, hand-polished, high-gloss | Highly-resonant (own-recipe), anti-static, hand-polished, high-gloss | Highly-resonant (own-recipe) extra-thin, anti-static, anti-bacterial, hand-polished, high-gloss with 24Ct Gold Dust |
Modal Tuning | - | Body Fine-Tuning | Fine-Tuning of each piece |
Pickguard | *Optional (plan wood or transparent) | *Optional (burl wood or transparent) | *Optional (Transparent-Wood) |
Thumbrest | *Optional | *Optional | *Optional |
Hardcase | Brand, fitted to the ABG | Brand, fitted to the ABG | Highest-quality custom-made authentic carbon fiber fitted to the ABG |
Warranty | Limited Lifetime | Limited Lifetime | Limited Lifetime |
Label | Turkowiak | Turkowiak | Turkowiak with dedication |
Video Sound Sample | - | - | Recorded by professional well-known musician |
Accessories | *Optional Turkowiak Guitar Maintenance kit with Two-Way Humidity Control Device | *Optional Turkowiak Guitar Maintenance kit with Two-Way Humidity Control Device | Turkowiak Guitar Maintenance kit with Two-Way Humidity Control Device |



