
Electroacoustics - Audio-Frequency Induction Loop Systems For Assisted Hearing - Part 1: Methods Of Measuring And Specifying The Performance Of System Components
出版:British Standards Institution

專家解讀視頻
Pertains to the components of audio-frequency induction-loop systems for assisted hearing.
Supersedes 07/30175264 DC. (06/2010) 2010 Edition Re-Issued in March 2015 & incorporates AMD 1 2015. Supersedes 12/30268057 DC & 13/30269918 DC. (03/2015)
EN 62489-1:2010 - Identical