Meinl Tuning Fork Mars TTF-MA
Meinl Tuning Fork Mars TTF-MA, Tuning Fork, Planets series, Description: Duration of one orbit around the sun, Position of the sun: 4th planet, The orbital period in years: 1.88, The orbital period in days: 686.9798, The orbital period in seconds: 59355055, Frequency calculation: 1/59355055 sec = 1.68478x10 to the power of -8 Hz (1.68478x10 to the power of -8 Hz x 2) 2 to the power of 32 = 144.72 Hz, Frequency 144.72 Hz (octave = 33), Tone: D#3, Shifted standard tuning 440 Hz: A4/a ' = 433.67 Hz, Made in Germany
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