Meinl Tuning Fork Platonic TF-E-PL

Planet Tuning Fork
Note: F3
Determination of frequency: Duration of one circular motion of the Earth’s axis through all Zodiac constellations from the position of the 3rd planet
Orbital period in years: 25920
Orbital period in days: 9460800
Round trip time in seconds: 8.17973 * 10^11
Frequency calculation: 1 / 8.17973 * 10^11 sec = 1.22253 * 10^-12 Hz, (1.22253 * 10^-12 Hz x 2) 2^46 = 172.06 Hz
Frequency: 172.06 Hz (47th octave)
Shifted standard tuning 440 Hz: A4 / a’ = 433.56 Hz
Made in Germany