Luthier’s GA 12-F acoustic guitar no. 339

First in the World luthier acoustic guitar with the following innovations:

  • Acoustic Tubes inside the guitar neck (Patent – European Patent Office no. EP 3340231 ‘Acoustic Tubes’)
  • Top with a WAVE resonator
  • Back & sides made in High-Tech Press
  • Bridge with drilled holes (Patent: European Union Intellectual Property Office 008177463-002)
  • Sigmoidal Joint of the guitar sides (Patent: European Union Intellectual Property Office 008177463-001)



BodyGrand Auditorium, 12-frets to the body
Double-TopAlpine Spruce from Tirol (Master Grade)
Back&SidesBlack & White Ebony with sapwood (Master Grade)
NeckC-shape, made of flamed Sycamore (Master Grade), dual-action double truss rod
FingerboardElevated, Ebony with sapwood (Master Grade), binded, compound radius 16″ (at the nut)
TypeModern (Open)
PlatesEbony with sapwood (Master Grade)
LogoNatural Baltic amber
BridgeEbony with sapwood with drilled holes (Master Grade), hand-shaped shaped, encrusted with natural bone and special inlay in natural Baltic amber
SoundholeSingle left upper-bout, binded
HeelCupEbony (Master Grade)
LogoNatural Baltic amber
Arm bevelSmooth, Ebony, integrated with the guitar body, 20 mm width
NutHand-shaped and polished bone, 44.5 mm (1 3/4″) width
SaddleHand-shaped and polished bone, semi-scalloped
TunersGold plated single tuning keys, with mother of pearl screw reinforcements. Ratio 1:18
BindingEbony (Master Grade)
Fingerboard side dotsNatural bone ø 1.5 mm at 3, 5, 7, 9, 12 (double), 15, 17 frets
FretsEVO-GOLD (nickel-free)
Strap buttonsEbony with logo inlays in black mother of pearl
Scale length25.5” (647,7 mm)
FinishVarnish, highly resonant, anti-static (own recipe), hand-polished, high-gloss
PickguardBlack & White Ebony (Master Grade)
InlaySingle crown logo made of natural Baltic amber at 12th fret
CutawayVenetian (smooth)


HardcaseHighest-quality, brand hardcase

Out of stock