Planet Tuning Fork
- Note: C#3
- Determination of frequency: Duration of one orbit around the sun (corresponds to the calendar year) OM tone, position from the sun: 3rd planet
- Orbital period in years: 1
- Orbital period in days: 365
- Round trip time in seconds: 31556925,9747
- Frequency calculation: 1 / 31556925,9747 sec = 3.1689 * 10^-8 Hz, (3.1689 * 10^-8 Hz x 2) 2^31 = 136.10 Hz
- Frequency: 136.10 Hz (32th octave)
- Shifted standard tuning 440 Hz: A4 / a’ = 432.09 Hz
- Made in Germany
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Meinl Tuning Fork Earth TF-E
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4.6