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Piano note

D6 Piano Note Frequency

D6 is key 66 of the 88 on a standard piano, with a frequency of 1174.66 Hz when the piano is tuned to A4 = 440 Hz.

1174.66 Hz

D6 at a glance

Frequency (A4 = 440 Hz)
1174.66 Hz
At A4 = 442 Hz
1180.00 Hz
At A4 = 432 Hz
1153.30 Hz
Piano key number
66 / 88
MIDI note number
86
Octave
6
Key colour
White key
Wavelength in air
29.2 cm
Period (one vibration)
0.851 ms
Register
Treble

Wavelength assumes sound travels at 343 m/s (air at about 20 °C).

About this part of the keyboard

In the treble each note has three short plain steel strings. Short, stiff strings react to the smallest movement of the tuning pin, and tuners set these notes slightly sharp of the theoretical frequency so the octaves sound clean.

Is your D6 in tune?

Play D6 on your piano and our free online tuner will show how many cents it is from 1174.66 Hz.

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Piano sounding off?

If your piano is more than a few cents off, it's time for a tuning. We tune pianos across Israel.

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