JUBILEE
PETROF社では十周年毎に記念として一台のオリジナルピアノを製作する伝統があります。140周年には非常に独特なデザインのピアノPETROF III 記念モデル Opus 595000が誕生しました。磁石による加速装置の設置により音量調節面が改良され、同時に各メカニック部分の負担が軽減されています。極めて独特で上質の洗練されたデザインは、この楽器を特別な存在たらしめています。
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Technical specification
Length (mm) 2035 Width (mm) 1735 Height (mm) 1025 Weight (kg) _ Sound board material Resonance spruce wood Active area (m²) 1,311 Ribs (number, shape) 12, spherical Soundboard construction wedgewise tapered 9 – 7 mm Cast iron plate Wet sand casting Surfacing of iron plate Airbrush – shading for highlighting shapes of the grand piano Surfacing polyester – shade of ivory RAL 1013 Perlweiss high gloss in combination with mahogany accessories (mahogany sateen) Pin block – material Multiplex beech plywood, density 800 - 850 kg/m3 Inner rim material 12 laminas – beech, birch Inner rim thickness 45 mm Wooden frame posts 4 longitudinal Descant post material spruce Cut off bar (corner cross rib) straight beech Outer rim – material Sandwich, solid alder wood core, plywood coated, inner venner Ebony Makassar Bridge – treble solid maple wood Bridge - bass solid maple wood Bridge pins stell – ground tips Agraffes material – number brass, 1-50 Duplexess - front h1 - c5 Duplexes - rear fis1 - c5 Strings - material steel wire Röslau Germany, cooper winding Degen Germany Hitching of plain strings single Dampers - number led.69 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 standard legs, small unbraked castors PETROF sign on right side wall PETROF Felts colour red + black Hydraulic slow close fallboard mech. yes