The piano will not sound right no matter how well the octaves and unisons are tuned! Think of the temperament as the “master octave” from which the rest of the octaves are duplicated up and down the piano keyboard. There are many aspects to competent piano tuning, but if the tuner fails at this stage, tuning the rest of the 88 notes is a waste of time, and a waste of your money. Setting a proper temperament octave is at the very heart of skillful piano tuning, and must be done correctly! All the other notes on the piano are tuned by octaves to the temperament octave. Setting the temperament, when done properly, mathematically divides the total frequency range of the temperament octave into twelve equal semi-tones – thus, the term equal temperament. Each interval must be checked and re-checked until all intervals cross-check with each other. Piano tuning is accomplished by methodically comparing the beat rates created between the various useful note intervals (5ths, 4ths, 3rds, 6ths) to setup what is called the temperament octave, a twelve-note range of notes near the middle of the piano keyboard. Starting with a standardized reference pitch, usually an A-440 Hz or C-523.3 Hz tuning fork, the piano tuner stretches the strings of each note to that exact point at which it will vibrate at the proper frequency based upon an historically accepted tuning system known as equal temperament, the tempered scale, or simply temperament.
#Piano tuning fork full#
All together, most modern pianos generally have somewhere between 230 and 240 strings that make up the full 88-note keyboard. All notes with more than one string must have each string tuned to vibrate at exactly the same frequency - in unison. The lowest bass notes have one string per note, upper bass notes have two strings per note, mid-range up to highest notes, have three strings per note. On a modern piano, there are 88 notes (pitches) from lowest to highest. The piano tuner stretches each string to the exact tension that will vibrate at the correct pitch. The piano tuner accomplishes this by making very small adjustments to the tension of each string by means of very slight movements to the tuning pins with a tool know as a tuning lever (also referred to as a tuning hammer). Stated in the simplest terms, putting a piano back into proper tune means restoring each note to its proper pitch so that the piano sounds harmonious, musical, and pleasant to the ear again. PIANO TUNER - greater San Jose area - tuning, voicing & repair
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