Because it's been decided that 440Hz is A, not C.
An 88-key piano has 7 octaves plus three additional keys - making the keyboard have 7 1/4 octaves in total. Some pianos also have exactly 7 octaves ranging from the A 3 octaves below middle C to the A three octaves higher than the A tuned to 440Hz (the A above middle C).
A viola is in the key of C, and is tuned in fifths. The lowest string is tuned an octave below middle C, then G, D, and A. Each string is an octave higher then a cello. A viola is in the key of C, and is tuned in fifths. The lowest string is tuned an octave below middle C, then G, D, and A. Each string is an octave higher then a cello.
The oboe is in the key of C. When an oboe plays its A, it is 440Hz.
StringNoteFrequencyScientific pitch notation1 (Highest)e'329.60 HzE42b246.90 HzB33g196.00 HzG34d146.80 HzD35A110.00 HzA26 (Lowest)E82.40 HzE2
They are tuned in fifths, C - G - D - A.
An 88-key piano has 7 octaves plus three additional keys - making the keyboard have 7 1/4 octaves in total. Some pianos also have exactly 7 octaves ranging from the A 3 octaves below middle C to the A three octaves higher than the A tuned to 440Hz (the A above middle C).
A viola is in the key of C, and is tuned in fifths. The lowest string is tuned an octave below middle C, then G, D, and A. Each string is an octave higher then a cello. A viola is in the key of C, and is tuned in fifths. The lowest string is tuned an octave below middle C, then G, D, and A. Each string is an octave higher then a cello.
The middle C note on a piano is tuned to 261.63 Hertz (accurate to two decimal places).
The oboe is in the key of C. When an oboe plays its A, it is 440Hz.
It depends how high the sound is, the a above middle C is 440Hz (vibrations/second) and there are 110Hz in an octave. From there you can work out the Hz of any note.
StringNoteFrequencyScientific pitch notation1 (Highest)e'329.60 HzE42b246.90 HzB33g196.00 HzG34d146.80 HzD35A110.00 HzA26 (Lowest)E82.40 HzE2
No Fenders come tuned to C, but you can always tune it yourself to C.
Any guitar can be tuned to C Major. C tuning is a type of guitar tuning. The guitar strings are tuned to be two whole steps lower than when they are normally tuned.
440 describes the tuning of the instruments. When the tone A above middle C is tuned to 440 Hertz (cycles of the sound wave per second), and the other notes are tuned in intervals accordingly, it is known as being tuned to 440.
They are tuned in fifths, C - G - D - A.
The A just above middle C on the piano keyboard. This is approximately 440Hz. The frequency, curiously, varies a bit regionally/nationally. In Europe, for example, it's typically a few Hz higher.
The written low Bb of an alto sax sounds a C# (or Db) in the middle of the bass clef, also know as C#3. The frequency of the note is 138.59 Hz, assuming the note is played in tune with A4 = 440Hz..