P 125 F1

The P 125 F1 upright is a very popular model with great musical versatility. Players buy it for practice purposes and for home and school keyboard instruction, though when you sound its strings and allow its rounded and gentle tone to resonate, you will delight the guests at any venue. The F1’s cabinet combines both classical and modern design, which fits in with any home interior.

upright piano ground view

  • Length - 590 mm | 23,23"
  • Height- 1257 mm | 49,49"
  • Width - 1463 mm | 57,60"
  • Weight - 236 kg | 520 lb


Black, high polish (0801)
Mahagony, high polish (3281)
Walnut, high polish (2251)
White, high polish (0001)
Cherry, satin (6217)
Mahagony, satin (3287)
Walnut, satin (2357)
Alder, satin (8107)
Oak, satin (1207)
Oak, satin (1207)
White, matte (0002)
Ivory, high polish (0051)
* Other finishes per order
  • Technical specification
    Length (mm)   590
    Width (mm)1463
    Height (mm)1257
    Weight (kg)236
    Sound board materialResonance spruce wood
    Active area (m²)1,1852
    Ribs (number, shape)10, spherical
    Soundboard constructionwedgewise tapered, 9 mm in upper section - 7 mm in lower section
    Cast iron plateWet sand casting
    Surfacing of iron plate nitrocellulose paint with bronze dust added
    Pin block - materialMultiplex beech plywood, density 800 - 850 kg/m3
    Inner rim material-
    Inner rim thickness-
    Wooden frame postsspruce wood, 3+2 posts
    Descant post material-
    Cut off bar (corner cross rib)beech, 1
    Outer rim - material-
    Bridge - treblebeech wood
    Bridge - bassbeech wood
    Bridge pinssteel - round tips
    Agraffes material - numberbrass, 88
    Duplexes - front-
    Duplexes - rear-
    Strings - materialsteel wire Röslau Germany, copper winding Degen Germany
    Hitching of plain stringsdouble
    Dampers - number1 - 70
    Hammer headsRenner
    Keys balancing, touch weight52g in bass - 48g in treble
    Black keysAcrylate plastic
    Pedalsleft - Piano pedal, midle - Muffler (moderator) pedal, right - Forte pedal
    PETROF sign on right side wall-
    Felts colourred
    Hydraulic slow close fallboard mech.yes