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19 Technical specifications
Highpass noise
Contralateral TDH-39 headphone
Band limit:
Slope:
Level:
Contralateral insert earphone and ipsilateral probe
Bandwidth:
Slope:
Level:
ANSI & IEC reflex stimulus RETSPL values
Frequencies
(Hz)
500
1000
2000
4000
[3]
BBN
[3]
LBN
[3]
HBN
Notes:
1. From ANSI/ASA S3.6-2010, Table 5.
2. From ANSI/ASA S3.6-2010, Table 7.
3. Based on Otometrics internal study
Air pressure system
Range:
Pressure sweep rate:
132
1600 Hz (nominal -3 dB point)
The slope is between +12 and +18 dB/octave below 1600 Hz, with an addi-
tional ±6 dB tolerance.
Overall noise level is indicated in dB HL. Tolerance ±5 dB.
1600 Hz (nominal -3 dB point)
The slope is between +12 and +18 dB/octave above 1600 Hz, with an addi-
tional ±6 dB tolerance.
Noise level is indicated in dB HL. Tolerance ±5 dB.
Ipsilateral probe
Insert
[2]
HA-1
phone
[2]
HA-1
6.0
6.0
0.0
0.0
2.5
2.5
0.0
0.0
6.5
6.0
7.5
9.5
4.0
5.0
Normal +200 to -400 daPa/s. Extended +400 to -600 daPa/s
50, 100, 200, 400, 600 daPa/s ± 20% in 20% to 80% of the total pressure range
Insert
Supra-aural
phone
phone
[2]
HA-2
IEC 60318-
[1]
3/NBS 9A
5.5
11.5
0.0
7.0
3.0
9.0
5.5
9.5
8.0
12.0
8.5
10.5
7.5
12.5
Supra-aural
phone
IEC 60318-1
[1]
13.5
7.5
9.0
12.0
13.5
11.5
14.5
Otometrics - MADSEN Zodiac
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