Description
Hammers are voiced for soft romantic tone, characteristic for PETROF upright pianos
The Petrof P125F1 upright piano 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.
Technical parameters of the PETROF P125F1 upright piano
SIDE VIEW
| Depth | 590 mm | |
| Height | 1250 mm | |
| Width – 1463 mm | ||
| Weight – 236 kg ° 462 lb |
Rim
Robust construction from spruce, 5 vertical posts, made in PETROF company. The solid stable rim supports the tuning stability of the instrument and ensures its total stability. The special constructive modification of soundboard mouldings enable clear and long-lasting tone of upright piano.
Iron plate
PETROF construction, harp shape, agraffe construction, robust, made from grey cast iron in the Czech Republic. Plate working is done in PETROF factory on special CNC machines.
Agraffe construction of the iron plate enables exact scale of strings and is the sign of the most advanced upright piano construction.
Hardware fittings
Massive polished brass, lacquered. Made in the Czech Republic. Hardware fittings are lacquered, corrosion resistant and do not require any maintenance.
Pinblock
Special beech plywood type Multiplex. Original veneer thickness 2 mm compressed to the density 800 – 850 kg/m3 (= 6 veneer layers/cm). High moisture resistant glue. The pinblock is highly resistant to atmospheric changes (e.g. humidity). It guarantees high stability of tuning.
Sound board
The soundboard is made from solid spruce wood in PETROF company. It is shaped into wedge block. Its active surface is 1,1852 m2.
PETROF sound boards have to go through a special long term moisture conditioning and care during the whole production process which guarantee their exact and equal moisture content. This process increases its resistance to cracking due to climate changes. Surface treatment with PUR lacquer raises its resistivity against climate changes. The ribs are circular shaped and are made from European spruce wood in the Czech Republic. The cross rib is produced from beech wood. The board is enforced by 10 ribs.
Bridges
The bridges are made from solid beech wood in PETROF company.
Scale
Agraffe construction in the whole range of 88 tones. The agraffe construction enables the exact scale of strings and is the sign of the most advanced upright piano construction.
Strings
Steel wire Mapes USA, Röslau Germany.
Copper winding Degen Germany.
Hammer heads
There are used top German hammers Renner or Abel in the P125F1 upright piano. Hammer heads are voiced for romantic rounded tones, characteristic for PETROF instruments.
Action
Petrof original action or Renner-Petrof action.
Petrof moderator.
Action is installed and regulated in PETROF factory. The actions are very quick, with good repetition, enable good control in creating tones, provide great feeling from play.
Whole production and assembly of the P125F1 upright piano is held in PETROF factory in the Czech Republic.
