BS-EN-61260-2 Complete Document History
Electroacoustics. Octave-band and fractional-octave band filters

Complete Current Edition:
   2016/A1 EDITION - 2016 EDITION WITH AMENDMENT A1 INTERFILED - April 1, 2018

Obsolete Revision Information:
   2016 EDITION - Electroacoustics. Octave-band and fractional-octave-band filters. Pattern-evaluation tests - June 30, 2016