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ANT. PETROF 136 is the newest member of the premium brand ANT. PETROF pianos. The original and unusually robust construction gives this upright piano abundant stability in the long term, especially in tuning and regulating its mechanics. These qualities are essential for the pianist's top performance, as they provide crucial confidence during the renditions. Thanks to the high acoustic power, the behavior of the mechanics, the color range, and the unique romantic tones, the sensation of playing this upright piano is almost like playing a concert grand piano.

  • Technical specification
    Depth   (mm)646
    Width     (mm)1543
    Height  (mm)1360
    Weight   (kg)320
    Soundboard materialsolid resonance spruce wood
    Active soundboard area (m2)1,2039
    Ribs number, shape11, asymetric
    Soundboard constructionwedgewise tapered  9 mm in upper section  – 7 mm in lower section
    Petrof sign on soundboardyes
    Cast iron platewet sand casting
    Petrof emblem on iron platecast brass
    Surfacing of iron platelight gold metallic paint, diamond effect
    Pin block – materialmultiplex beech plywood, density 800–850 kg/m3
    Wooden frame construction, materialspruce wood, 4+2 posts
    Cut off bar (corner cross rib) – material, numberbeech, 2
    Cabinet materialMDF, plywood, solidwood
    Bridge – treblesolid maple wood
    Bridge – basssolid maple wood
    Bridge pinssteinless steel-ground tips
    Aliquotsg2 – c5
    Agraffes material – numberbrass, 88
    Strings – materialsteel wire Röslau Germany, copper winding Degen Germany
    Hitching of plain stringsdouble
    Dampers – numberled–70
    ActionRenner-ANT. PETROF
    Hammer headsRenner
    Keyboard – materialtangential sawn spruce wood, individually balanced with lead
    Keys balancing, touch weight53 g in bass – 51 g in treble
    Black keysebony
    Pedalsleft – Half-blow pedal, middle – Muffler (moderator) pedal, right – Sustein pedal
    Felts colourred
    Hydraulic slow close fallboard mech.yes

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