Madsen Zodiac User Manual page 43

On-Off ratio:
A weighted SPL in Off:
Broadband noise
Contralateral TDH-39 headphone
Bandwidth:
Slope:
Level:
Contralateral insert earphone and ipsilateral probe
Bandwidth:
Slope:
Level:
Lowpass noise
Contralateral TDH-39 headphone
Band limit:
Slope:
Level:
Contralateral insert earphone and ipsilateral probe
Bandwidth:
Slope:
Level:
Highpass noise
Contralateral TDH-39 headphone
Band limit:
Slope:
Level:
Otometrics - MADSEN Zodiac
Stimulus presentation control
70 dB (for stimulus level > 95 dB HL)
Contra supra-aural TDH 39: 33 dB
Contra insert phone: 23 dB
250 - 6000 Hz. Tolerance ±5 dB re. 1 kHz level.
Spectrum level drops between 6000 and 9500 Hz and remains below -23 dB
re. 1 kHz level for frequencies above 9500 Hz.
Noise level is indicated in dB HL. Tolerance ±5 dB.
400 - 4000 Hz. Tolerance ±5 dB re. 1 kHz level.
Spectrum level drops between 4000 and 7000 Hz and remains below -23 dB
re. 1 kHz level for frequencies above 7000 Hz.
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 additional
±6 dB tolerance. Above 8500 Hz, the spectrum level remains below -34 dB re.
1600 Hz level.
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 additional
±6 dB tolerance. Above 8500 Hz, the spectrum level remains below -34 dB re.
1600 Hz level.
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 below 1600 Hz, with an addi-
tional ±6 dB tolerance.
Overall noise level is indicated in dB HL. Tolerance ±5 dB.
User Guide
43