Instrument op. 18
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Description
| Identification | |
|---|---|
| Opus number | 18 |
| Year of construction start | 2017 |
| Specification | |
| Type | early romantic guitar |
| Bracing pattern | ladder pattern, Johann Georg Stauffer (1778 - 1853) design 1829 |
| Scale length | 614.0 [mm] |
| String spacing - at the saddle | 11.4 [mm] |
| String spacing - at the nut | 7.6 [mm] |
| String action - 12th fret, 1st string | 3.7 [mm] |
| String action - 12th fret, 6th string | 4.1 [mm] |
| Nut width | 45.5 [mm] |
| Length of 12th fret | 55.0 [mm] |
| Upper bout | 235 [mm] |
| Waist bout | 175 [mm] |
| Lower bout | 295 [mm] |
| Tuning mechanism | Wittner internally mechanized pegs, gear ratio 1:8.5 |
| String action adjustment | floating fingerboard |
| Additional neck reinforcement | - |
| Number of frets | 22 |
| Fretwire | I-profile |
| Armrest | - |
| Weight | 0.97 [kg] |
| Materials | |
| Top | spruce (Picea) |
| Back and sides | Norway maple (Acer platanoides) |
| Back and sides veneer | - |
| Braces | spruce (Picea) |
| Binding inner | spruce (Picea) |
| Binding outer | combination of decorative veneer strips |
| Rosette | combination of decorative veneer strips |
| Fingerboard | ebony (Diospyros) |
| Neck | maple (Acer) |
| Heel | maple (Acer) |
| Head | maple (Acer) |
| Headplate | - |
| Nut | ebony (Diospyros) |
| Tuners / tuning pegs | composite material |
| Bridge | ebony (Diospyros) |
| Bridge pins | ebony, decor Abalone dot |
| Endpin | ebony (Diospyros) |
| Saddle | brass |
| Frets | brass |
| Armrest | - |
| Glue | modern synthetic glue |
| Finish | |
| Top | oil varnish, matt |
| Neck | ebonised |
| Bridge | ebonised |
| Armrest | - |
| Rest | oil varnish, matt |
| Accessories | |
| Stringing | Aquila Alabastro 97C |
| Humidifier | Martin 18AHG |
| Additional accessories | - |
| Case - Specification | |
| Model | own production - hand sewn, made of hardened laminated paper |
| Dimensions - Length x Width x Height | 975 [mm] x 350 [mm] x 150 [mm] |
| Weight | 3.5 [kg] |
| Case - Materials | |
| Inner layer | velvet |
| Body | hardened laminated paper |
| Outer layer | artificial leather / imitation leather |