Thomann Planetary Tuning Fork Venus

Thomann Planetary Tuning Fork Venus, Tuning Fork Venus, 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: 2nd planet, Orbital period in years: 0.6156186, Orbital period in days: 224,7008, Orbital period in seconds: 19414149, Frequency calculation: 1/19414149 sec = 5,15088x10 to the power of -8 Hz (5,15088x10 to the power of -8 Hz x 2) 2 to the power of 31 = 221,23 Hz, Note: A3, Shifted standard tuning 440 Hz: A4/A‘ = 442,46 Hz ...