Standard Series
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Advantages of the construction and materials used in the PETROF IV grand piano
Rim The solid construction of the rim of the P IV grand piano ensures high and longterm tuning stability and action regulation as well as sound board crown stability which is a prerequisite for perfect performance. Frame posts The frame posts provide a high contour stability of the frame, tuning and regulation stability. Legs The robust construction of the legs ensures high stability of the instrument whilst being played. Iron plate Precise drilling means exact length of strings and creates good conditions for their optimal oscillation and creation of an exact tone. Hardware fittings Hardware fittings are corrosion resistant, therefore they do not require any maintanance. It is fully comparable to fittings used in the finest world´s grand pianos. Pinblock The pinblock in this grand pianos has a high resistance against atmospheric changes (e.g. humidity). It provides equal torque of tuning pins, which results in a particularly high tuning stability. Soundboard Traditionally shaped sound board gives good acoustic performance in all frequencies over the whole range. Its construction greatly contributes to generating the typical tone of PETROF grand pianos. Ribs Traditionally shaped, very exactly worked ribs from European spruce supports a symmetric crown of the sound board. Bridges The construction of the bridges and materials are comparable in quality with the high class of standard grand piano bridges. The hornbeam cap of treble bridge supports better transmission of high frequencies onto the sound board. The foot bridge of bass bridge enables an oscillation with bigger amplitude, it improves its sound ability. Scale Traditional construction of agraffes is fully comparable to the finest brands of grand pianos. Tuning pins The tuning pins are of the highest quality, corrosion resistant and fully comparable to the best marks of grand pianos. Strings Strings used in the P IV grand piano are made from string wire of the world´s finest quality. Hammer heads Hammer heads Abel, which are fitted in this grand piano, are some of the best worldwide. They enable the player to get a great variety of tones. Dampers The felt, manufactured by French company Laoureux, is a guarantee of the highest quality proven by generations. Action The PETROF action is quick and with good repetition. Specifically profiled aluminium action rails are very stable also in changing humidity. The action enables the P IV grand piano to be played confidently, even technically demanding passages, and to have full control of creating tones. Keys The P IV grand piano has keys of European origin, each key is individually balanced. The quality is proved by more than 140 years of production tradition. Key bed Robust key bed of the P IV grand piano is of the same construction as in master concert instruments. It ensures regulation stability of this grand piano´s action as well as stability of the whole instrument. It provides a certitude to a playing pianist. Pedals The construction, materials and fuction of P IV´s pedals are comparable in quality with the highest class pianos´ pedal mechanisms. |
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