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Bruel & Kjaer 4185 Ear simulator for telephonometry
儀器類別
Bruel & Kjaer 4185 Ear simulator for telephonometry
Features
-
Conforms to IEC 60318-1 (2009) and ITU-T Rec. P.57 Type 1
-
Provide realistic acoustic load (both high and low leak versions)
-
½" microphone and preamplifier included
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Features
-
Conforms to IEC 60318-1 (2009) and ITU-T Rec. P.57 Type 1
-
Provide realistic acoustic load (both high and low leak versions)
-
½" microphone and preamplifier included