Meinl Tuning Fork Neptune TTF-N
Meinl Tuning Fork Neptune TTF-N, Tuning Fork, Planets series, Description: Duration of one orbit around the sun, Position of the sun: 8th planet, The orbital period in years: 164.9, The orbital period in days: 60,187.64, The orbital period in seconds: 5200212096, Frequency calculation: 1/5200212096 sec = 1.923x10 to the power of -10 Hz (1.923x10 to the power of -10 Hz x 2) 2 to the power of 39 = 211.44 Hz, Frequency: 211.44 Hz (octave = 40), Tone: G#3, Shifted standard tuning 440 Hz: A4/a ' = 448,03 Hz, Made in Germany
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