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Insert Masking Earpiece
Calibration method:
Transducers
Types and reference levels:
Static headband force:
Bone vibrator calibrated:
Sound attenuation
characteristics:
Airborne sound from bone
vibrator:
Environmental
Operating temperature:
Operating humidity:
Atmospheric pressure:
Input / Output
Power input:
Mic inputs impedance:
Mic inputs connection:
Line input impedance:
Line in/out connection:
With 2cc coupler compliant with
IEC 126
DD45: ISO 389-1, Table 2
E-5A: ISO 389-2, Table 1
B-71: ISO 389-3, Table 1
Headphones: 4.5N
Bone vibrator: 5.4N
For mastoid placement
ISO8253-1, Table 3
See Br. J. Audiol. 1980, P73-75
+15°C to +35°C
30% to 90% (non-condensing)
700 hPa to 1060 hPa
2.5mm barrel-type socket
2500 Ohms
Mono 3.5mm Jack socket
6800 Ohms
Stereo 3.5mm Jack sockets
41
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