8
BTE Quick reference
9
Data in accordance with
ANSI S3.22–2003; Supply
Voltage 1.3 V, 2cc coupler
Std Tube
Thin Tube
Reference test gain (60 dB SPL input)
HFA
47
42
dB
Full-on gain (50 dB SPL Input)
Max
HFA
56
51
49
45
dB
dB
Maximum output (90 dB SPL input)
Max
HFA
126
125
129
120
dB SPL
dB SPL
Total harmonic distortion
500 Hz
800
Hz
1600
Hz
1.7
1.2
0.5
0.5
0.2
0.8
%
%
%
Telecoil (SPLITS @31.6 mA/m, ANSI)
HFA
108
105
dB SPL
Equivalent input noise (w/o noise reduction)
25
27
dB SPL
Frequency range (DIN 45605)
100–6630 100–6040
Hz
Attack time (ANSI RTG -7 dB)
12
12
ms
Release time (ANSI RTG -7 dB)
70
70
ms
Current drain
0.88
0.9
mA
Typical battery life
Battery size 13
330
322
hrs
Technical data for BTEs
Models:
VS71-D, VI71-D
MAXIMUM OUTPUT (OSPL 90)
Frequency (Hz)
Output
(dB SPL)
140
130
120
110
100
90
80
100
1000
10000
2cc Coupler
FULL-ON AND REFERENCE TEST GAIN
Frequency (Hz)
Gain
(dB)
70
60
50
40
30
20
10
100
1000
10000
Full-on gain
50 dB SPL input
2cc Coupler
Reference test gain
60 dB SPL input
INPUT/OUTPUT RESPONSE
Input (dB SPL)
Output
(dB SPL)
40
60
80
100
140
130
120
110
100
90
80
2cc Coupler
Frequency: 2000 Hz
Open (Thin Tube)
Classic (standard tube)
Data in accordance
with ANSI S3.22–2003;
Supply Voltage 1.3 V,
2cc coupler
Reference test gain (60 dB SPL input)
HFA
52
dB
Full-on gain (50 dB SPL input)
Max
HFA
65
60
dB
dB
Maximum output (90 dB SPL input)
Max
HFA
133
130
dB SPL
dB SPL
Total harmonic distortion
500 Hz
800
Hz
1600
Hz
1.0
0.3
0.6
%
%
%
Telecoil (SPLITS @31.6 mA/m, ANSI)
HFA
114
dB SPL
Equivalent input noise (w/o noise reduction)
22
dB SPL
Frequency range (DIN 45605)
100–6070
Hz
Attack time (ANSI RTG -7 dB)
12
ms
Release time (ANSI RTG -7 dB)
70
ms
Current drain
1.09
mA
Typical battery life
Battery size 13
266
hrs
Technical data for Power BTEs
Models:
VS81-D, VI81-D
MAXIMUM OUTPUT (OSPL 90)
Frequency (Hz)
Output
(dB SPL)
150
140
130
120
110
100
90
100
1000
10000
2cc Coupler
FULL-ON AND REFERENCE TEST GAIN
Frequency (Hz)
Gain
(dB)
80
70
60
50
40
30
20
100
1000
10000
Full-on gain
50 dB SPL input
2cc Coupler
Reference test gain
60 dB SPL input
INPUT/OUTPUT RESPONSE
Input (dB SPL)
Output
(dB SPL)
40
60
80
100
140
130
120
110
100
90
80
2cc Coupler
Frequency: 2000 Hz
Special care should be
exercised in selecting and
fi tting a hearing aid whose
maximum sound pressure
level exceeds 132 deci-
bels because there may
be a risk of impairing the
remaining hearing of the
hearing aid user.
