This is an Octave Filter Set that provides 11octave filters ranging from 31.5Hz to 31.5kHz. Built-in adjustable weighting. For use with the 2200 series sound …
1/3 RD OCTAVE FILTER SET 1/3 - 1/1, enables the measurement of reverberation and decay times.
Features:
31 third-octave and 31 overlapping octave filters …
