R&D (FilterCavity)
Matteo Barsuglia - 05:58, Friday 18 May 2018 (782)
Comment to Comparison of old and new servo (Click here to view original report: 760)

I think there is a factor 2 missing in the formula: the pole of the cavity is FSR/(2*F) = 500000/(2*4355) = 57 Hz