Description We present to you our masterpiece, the flagship of the PETROF brand – the Mistral concert grand. Measuring 2,840 mm in length it is our largest piano, and is beloved of musicians the world over chiefly for its tremendous bass and resonant treble. Artists find in it a trusty companion when performing the most demanding works; it also has a highly presentable appearance and possesses the soft, romantic tone so characteristic of all PETROF grand pianos. Length (mm) 2840 Width (mm) 1580 Height (mm) 1025 Weight (kg) 576 Sound board material Resonance spruce wood Active area (m²) 2,029 Ribs (number, shape) 16, asymetric Soundboard construction diaphragmatic tapered by CNC shaper 9,5 – 7,5mm 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 12 laminas – beech, birch Inner rim thickness 50 mm Wooden frame posts 5 longitudinal 2 cross Descant post material spruce Cut off bar (corner cross rib) round shaped, multiple birch or beech Outer rim – material birch plywood sandwich, inner veneer Ebony Makassar Bridge – treble solid maple wood Bridge – bass solid maple wood Bridge pins steel – ground 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 single Dampers – number 1 – 69 Action standard – RENNER ORIGINAL 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 PETROF Felts colour red black Hydraulic slow close fallboard mech. yes
