This guitar has the internal extra soundbox as designed by Maccaferri.
| Scale | 674mm | Top | European Spruce | |
| Frets | 22+2 | Sides&Back | Laminated-outer veneer on mahogany | |
| Fingerboard width 0th fret-12th fret | 45-58mm | Fingerboard | Ebony | |
| Stringspacing bridge | 55mm | Neck&Headstock | Walnut | |
| Overall length | 1000mm | Tuners | Schaller or Miller/CH | |
| Bodylength | 470mm | Tailpiece | Miller/CH | |
| Bodywidth | 400-290mm | Finish | KTM-SV | |
| Bodydepth | 102-92mm | Price | On request |
This instrument is currently at New-Acoustic-Gallery in Wuppertal (D)
http://n-a-g.info/