Acoustic Coupler for Headphone Calibration (Bernhard Laback )

Subject: Acoustic Coupler for Headphone Calibration
From:    Bernhard Laback  <laback(at)KFS.OEAW.AC.AT>
Date:    Tue, 22 Jun 1999 11:30:51 +0200

Dear List ! I have two questions concerning calibration of headphones. 1) What is (are) the coupler size(s) specified in an IEC 318 artificial ear for circumaural headphones? 2) Is this fulfilled by the Bruel&Kjaer 4153 artificial ear, which has either 1.8, 2.5 or 7.5 cm2 ? Mag. Dr. Bernhard Laback Acoustics Research Department Austrian Academy of Sciences Liebigg. 5, A-1010 Wien, Austria -- MZ=90

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