Meinl Tuning Fork Synodic TTF-M-SY
Meinl Tuning Fork Synodic TTF-M-SY, Tuning Fork, Planets series, Description: Duration of one orbital period around the Earth (for another measured by a new moon), The orbital period in days: 29.530588, The orbital period in seconds: 2551442.803, Calculation of frequency: 1/2551442.803 sec = 0.00000039 Hz (0.00000039 Hz x 2) 2 to the 28th power = 210.42 Hz, Frequency: 210.42 Hz (octave = 29), Tone: G#3, Shifted standard tuning 440Hz A4/a' = 445.86 Hz, Made in Germany
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