The origin of an invention: The piano
The piano or pianoforte is a musical instrument classified as a keyboard instrument, percussion or string, According to the classification system used.
Bartolomeo Cristofori of Padua, Italy, invented the first pianoforte. I called gravicembalo col piano e il forte. The name Refers to the Ability of the instrument to produce notes of different volumes Depending on the intensity of the pressure on the keys. It is not entirely clear when to built this instrument, but an inventory made by Cristofori patterns, the Medici family, the existence of Indicates an early Cristofori instrument by the year 1701.
About Cristofori built only twenty pianos before I died in 1731, The Three That survive today date from the 1720s. Cristofori's piano was the first to hold a hammer mechanism That Could Achieve Both loud and soft sounds. In 1711 Scipione Maffei describe as an early Cristofori pianos to "harpiscordio (gravicembalo) with strong and gentle." By 1726 Cristofori enter a new element into Their pianos, the system "una corda" Which Remains to this day. It was based on the Possibility of Allowing the performer using a special command to move the mechanism so That hammer strikes on each strings Fewer than Usually it makes for a very smooth sound.
During the current modern pianos the "una corda" allows the piano hammer hitting on only one string of each group. The piano produces sound by striking steel strings with felt hammers. The vibrations are Transmitted through the bridges to the soundboard. When we speak of the modern piano Primarily http://vimeo.com/52980521 we refer to pianos designed and built since the last decade of the last century (1890) to the present. Although this time period is very large, the pianos That Were built on it can be Considered together Because changes in design and materials Have Been lower.
The installation of all elements is not a task for beginners.This is the case of the size of the room and Characteristics Which is Placed in the audio and video system (or A / V) or the essential adjustments and calibrations rosary to Achieve convincing results.
Experience shows That MOST of the teams are significant gaps in its configuration, So They are unable to play the image and sound with due realism and impact. And This leads to the logical consumer disappointment.
So, it is best to go to a Specialized trust. Practitioners of These Stores Have the Knowledge and Skills Necessary to advise the user on the type of system is best for you based on Their level of need, your budget and the room where the equipment will be located.
The advice of professionals is vital to get set up home theater to perform at Room That Their fullest potential.
They also have Suitable measuring instruments, Such as sound level meters and EQ with spectrum analyzer, to perform successfully the correct installation Both of the set as the required calibrations.
In fact, more good will That has the fan-especially a novice, and although thoroughly soak the instruction manuals EXTENSIVE Usually brands are many loose ends in the installation. At the moment of truth, the results are far from the expected (or promised by Multinationals).
Obviously, purchasing a home theater system to take advantage of decent quality and personalized service with added value as a Specialized Providing jurisdiction has a cost (Which is Not Necessarily be high), but we must insist That is the best option for the TEAM Express Their full potential.
|share||like 8||report||97 views|