Martin Okenica - op. 24 / 2019, J. L. Romanillos model, cedar top, purpleheart back, oil varnish

Instrument - Identification:
- Built by: Martin Okenica
- Opus number: 24
- Year of construction start: 2019

Specification:
- Type: modern classical guitar
- Bracing pattern: fan pattern, José Luis Romanillos (1932*) design
- Scale length: 650.0 [mm]
- String spacing - at the saddle: 11.5 [mm]
- String spacing - at the nut: 8.7 [mm]
- String action - 12th fret, 1st string: 3.0 [mm]
- String action - 12th fret, 6th string: 3.5 [mm]
- Nut width: 52.0 [mm]
- Length of 12th fret: 63.0 [mm]
- Upper bout: 278 [mm]
- Waist bout: 236 [mm]
- Lower bout: 362 [mm]
- Tuning mechanism: Thomas Rubner machine tuner, with RubnerRoll rollers and ball bearing mounted shaft
- String action adjustment: by adjusting the height of the nut and saddle
- Additional neck reinforcement: carbon fiber rod
- Number of frets: 19
- Fretwire: T-profile
- Armrest: ergonomically shaped armrest with an overlap of 1 to 2 [cm] above the top
- Weight: 1.585 [kg]

Materials:
- Top: red cedar (Thuja plicata)
- Back and sides: Purpleheart (Peltogyne pubescens)
- Back and sides veneer: -
- Braces: spruce (Picea)
- Binding inner: spruce (Picea)
- Binding outer: combination of decorative veneer strips
- Rosette: Purpleheart (Peltogyne pubescens)
- Fingerboard: ebony (Diospyros)
- Neck: Spanish cedar (Cedrela odorata)
- Headplate: Purpleheart (Peltogyne pubescens)
- Nut: bone
- Bridge: ebony (Diospyros)
- Saddle: bone
- Frets: 18% nickel silver
- Armrest: common walnut / Persian walnut (Juglans regia)

Finish:
- Top: oil varnish, matt
- Neck: oil varnish, matt
- Bridge: oil treatment
- Armrest: oil treatment
- Rest: oil varnish, matt

Accessories:
- Stringing: D'Addario EXP45
- Humidifier: Martin 18AHG
- Additional accessories: -

Case - Specification:
- Model: Gator GL-CLASSIC Classical Guitar Lightweight Case (hardened plastic foam)
- Dimensions - Length x Width x Height: 1100 [mm] x 460 [mm] x 190 [mm]
- Weight: 2.4 [kg]