Thomann Planetary Tuning Fork Neptune

Thomann Planetary Tuning Fork Neptune, Tuning Fork Neptune, Gold-plated - suitable for allergy sufferers, Extra-long handle for better feel and control, Made in Germany@+*Description:*, Duration of one orbit around the sun, Position of the sun: 8 planets, Orbital period in years: 164.9, Orbital period in days: 60,187.64, Orbital period in seconds: 5200212096, Frequency calculation: 1/5200212096 sec = 1.923x10 to the power of -10 Hz (1.923x10 to the power of -10 Hz x 2) 2 to the power of 39 = 211.44 Hz, Frequency 211.44 Hz (= 40 octave), Note: G#3, Shifted standard tuning 440 Hz: A4/A‘ = 448.03 Hz ...