Description
Length (mm) | 1730 |
Width (mm) | 1525 |
Height (mm) | 1025 |
Weight (kg) | 320 |
Sound board material | Resonance spruce wood |
Active area (m²) | 1,293 |
Ribs (number, shape) | 11, spherical |
Soundboard construction | wedgewise tapered 9 – 7 mm |
Cast iron plate | Wet sand casting |
Surfacing of iron plate | light gold metallic paint, diamond effect |
Pin block – material | Multiplex beech plywood, density 800 – 850 kg/m3 |
Inner rim material | 9 laminas – beech, birch |
Inner rim thickness | 35 mm |
Wooden frame posts | 3 longitudinal |
Descant post material | spruce |
Cut off bar (corner cross rib) | straight, beech |
Outer rim – material | Sandwich, solid alder wood core, plywood coated, inner veneer Ebony Makassar |
Bridge – treble | solid maple wood |
Bridge – bass | solid maple wood |
Bridge pins | steel – round tips |
Agraffes material – number | brass, 1-53 |
Duplexes – front | d2 – c5 |
Duplexes – rear | ais – c5 |
Strings – material | steel wire Röslau Germany, copper winding Degen Germany |
Hitching of plain strings | double |
Dampers – number | 1 – 68 |
Action | standard RENNER – PETROF |
Hammer heads | RENNER original |
Keyboard | Tangential sawn spruce wood, individually balanced with lead |
Black keys | Ebony wood |
Pedals | left – Unacorda (Piano) pedal, middle – Sostenuto (Prolongement) pedal, right – Sustein pedal |
Legs and castors | thick legs, big braked castors |
PETROF sign on right side wall | no |
Felts colour | red + black |
Hydraulic slow close fallboard mech. | yes |