Home Theater Forum and Systems banner
erebus
1-1 of 1 Results
  1. SPL Meters | Mic's | Calibration | Sound Cards
    Hi To measure anything below 20 hz seems to be difficult with a "standard" mic. What about looking at the guys (?) who do measure activity of volcanoes , they have the same frequency range (below 30 , and towards 0 hz) I could not find info of anyone who have used their technic to measure...
1-1 of 1 Results
Top