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5 Specification
5.1 Output data
Outputs: Left earphone, Right earphone,
Bone (L&R) Insert masking and Freefield
Frequency range (Hz): Air: 125-8kHz
Bone: 250Hz-8kHz
Frequency accuracy: <1%
Distortion: <2%
Output level range (AC): -10dBHL to 120dBHL maximum
Output level range (BC): -10dBHL to 70dBHL maximum
Output level range (FF): Up to 90dB
Insert masking output: 90dBHL max (250-4kHz)
Output level accuracy: Within 3dB
Output level step size: 2.5 or 5dB
Output transducer (AC): DD45 earphones (supplied)
E-5A insert earphones (option)
Output transducer (BC): B-71 bone vibrator (supplied)
Tone present: Single, pulsed, warble or continuous
Masking: Narrowband or broadband
Lock: Synchronous channel lock
Clinical tests: SISI, Stenger ABLB
Communication: Integral talk over and talk back facility
Recorded speech: Tape or CD input
Live speech: 1 x microphone input
Monitoring indicator: VU ‒ (to IEC 60268-17)
NOAH3 interface: Transfer of AC, BC, ULL and speech
test results
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