Meinl Tuning Fork Sidereal TF-M-SI

Planet Tuning Fork

  • Note: A#3
  • Determination of frequency: Duration of a orbit around the earth measured from a fixed star position
  • Orbital period in days: 27.321661
  • Round trip time in seconds: 2,360,591.51
  • Calculation of frequency: 1 / 2,360,591.51 sec = 0.00000042 Hz, (0.00000042 Hz x 2) 2^28 = 227.43 Hz
  • Frequency: 227.43 Hz (Octave = 29)
  • Shifted standard tuning 440 Hz: A4 / a' = 429.33 Hz
  • Made in Germany
Available since July 2014
Item number 344754
Sales Unit 1 piece(s)
44 €
Including VAT; Excluding 19,90 € shipping
In stock within about one week
In stock within about one week

This product is expected back in stock soon and can then be shipped immediately.

Standard Delivery Times
1