THD:
< 5% for levels below 110 dB HL
< 10% for levels above 110 dB HL
< 2.5 % for levels below 110 dB HL
< 5 % for levels above 110 dB HL
Ipsilateral Stimulation
Tone:
500 Hz, 1000 Hz, 2000 Hz, 4000 Hz
Frequency accuracy:
± 0.5%
Threshold range:
500 Hz at 50 to 105 dB HL ± 3 dB
1000 Hz at 50 to 110 dB HL ± 3 dB
2000 Hz at 50 to 110 dB HL ± 3 dB *
4000 Hz at 50 to 100 dB HL ± 3 dB
* For probe tones above 226 Hz, artifacts may start to occur at levels above
105 dB HL
Screening range:
500 Hz at 70 to 100 dB HL ± 3 dB
1000 Hz at 70 to 105 dB HL ± 3 dB
2000 Hz at 70 to 105 dB HL ± 3 dB *
4000 Hz at 70 to 105 dB HL ± 3 dB
* For probe tones above 226 Hz, artifacts may start to occur at levels above
105 dB HL
THD:
< 5% for levels below 110 dB HL
< 10% for levels above 110 dB HL
Range:
BBN, LPN, HPN at 50 to 110 dB SPL * ±3 dB (* measured in calibration
coupler)
Screening range:
BBN at 50 to 90 dB SPL * ±3 dB (* measured in calibration coupler)
Step size dB:
1, 2, 5, 10 dB
Decay range:
50 to 100 dB HL* (* artifacts may start to occur at levels above 95 dB HL in 0.5
cc)
Temporal characteristics
Reflex Decay, Contralateral
Reflex Threshold and
Screening
Ipsilateral Reflex Threshold
and Screening
Contralateral stimulation -
Probe tone > 226 Hz
Initial/terminal latency:
0 ms
0 ms
[1]
0 ms
Rise/fall time:
250 ms
250 ms
[1]
100 ms
Overshoot/Undershoot:
0 %
0%
0%
Notes:
1. Tol120/-0 ms
130
Otometrics - MADSEN Zodiac
19 Technical specifications
Summary of Contents for zodiac
Page 1: ...MADSEN Zodiac Reference Manual Doc No 7 50 1610 EN 02 Part No 7 50 16100 EN...
Page 21: ...4 2 Bottom view A Probe connections B Label Otometrics MADSEN Zodiac 21 4 Views of Zodiac...
Page 156: ...jB jB App 2 5 2 G App 2 5 3 B G B G Y B G B G 156 Otometrics MADSEN Zodiac App 2 MADSEN Zodiac...
Page 157: ...App 2 5 4 226 Hz 226 Hz 200 daPa Otometrics MADSEN Zodiac 157 App 2 MADSEN Zodiac...
Page 206: ...152 151 151 152 150 152 206 Otometrics MADSEN Zodiac Index...
