Thomann Planetary Tuning Fork Earth, gold plated – suitable for allergy sufferers, extra long handle for better feel and control, Description: Duration of one orbital period around the sun (= one calendar year) OM tone; Position to sun: 3st planet; Orbital period in years: 1; Orbital period in days: 365; Orbital period in seconds: 31556925.9747; Frequency calculation: 1/31556925.9747 sec. = 3.1689×10 pot. -8 Hz, (3.1689×10 pot. -8 Hz x 2) 2 pot. 31 = 136.10 Hz ; Frequency: 136,10 Hz (= 32. Octave); Tone: C#3; Shifted 440 Hz standard-pitch: A4/a’ = 432,09 Hz; Made in Germany
Thomann Planetary Tuning Fork Earth
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4.7