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Upright piano Magic egg

Magic Egg

This unique instrument combines the brainchild of Ing. arch. Robert Fišera with the diligence, skill and single-mindedness of our workforce. More than 150 years of tradition, experience, patenting and innovation have gone into producing the masterpiece that is the PETROF Magic Egg - its heart full of love and protected by a futuristic and breath-taking shell. In the course of its construction, our employees have devoted themselves to every detail, from the selection of the best quality materials, through precise construction processes, to its sumptuous finish.

  • Technical specification
     Depth (mm)   798
     Width (mm)1628
     Height (mm)1406
     Weight (kg)­­­­_
     Sound board materialResonance spruce wood
     Active area of soundboard (m²)1,1852
     Ribs – number, shape10, spherical
     Soundboard constructionwedgewise tapered 9 mm in upper section – 7 mm in lower section
     Cast iron plateWet sand casting
     Surfacing of iron platesilver
     Pin block - materialMultiplex beech plywood, density 800 - 850 kg/m3
     Wooden frame construction,   materialspruce woods, 3+2 posts
     Cut off bar (corner cross rib) – material, numberbeech, 1
     Cabinet materialMDF, plywood, solid wood
     Bridge - treblebeech wood
     Bridge - bassbeech wood
     Bridge pinssteel – round tips
     Agraffes material - numberbrass, 88
     Strings - materialsteel wire Röslau Germany, copper winding Degen Germany
     Hitching of plain stringsdouble
     Dampers - numberled.70
     Pedalsleft – Piano pedal, midle – Muffler (moderator) pedal,
     right – Forte pedal
     CastorsYes
     Felts colourred
     Hydraulic slow close fallboard mech.yes
    Magic Eggpdf218.56 KB