Inventis TRUMPET User Manual page 55

Real ear measurements system
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AVAILABLE FREQUENCIES AND MAXIMUM OUTPUTS
AC
Freq.
TDH39
(Hz)
(dB EM)
125
60
250
80
500
95
750
100
1.000
105
1.500
105
2.000
105
3.000
105
4.000
105
6.000
100
8.000
90
90
WN
dB EM
90
SN
dB EM
(1)
If the instrument is powered up only by way of the USB cable, the maximum
limits will be reduced by 10 dB
(2)
With USB power supply only, the FF outputs are disabled
NBN, WN AND SN MASKING
AC
AC
1
1
DD45
ER-3C
(dB EM)
(dB EM)
60
80
95
100
100
105
105
105
105
105
105
105
105
105
100
100
90
90
dB EM
dB EM
90
dB EM
dB EM
1
BC
1
(dB FL)
70
-
85
105
95
110
110
110
110
110
100
100
90
90
80
80
80
45
dB EM
80
45
dB EM
FF
FF
2
2
Int.
Ext.
(dB HL)
(dB HL)
55
60
60
65
75
80
80
85
80
85
80
85
80
85
80
85
80
85
75
80
65
70
70
75
dB HL
dB HL
70
75
dB HL
dB HL
49

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