47
Open Closed
43 dB
Max
51
57
53
dB
dB
Max
127
116
124
121
dB SPL
dB SPL
0.2
0.2
0.6
0.4
0.7
%
%
%
100 105 dB SPL
22 20 dB SPL
100–6140
1.2 1.2 mA
BTE
Model AM577-DW
FULL-ON AND REFERENCE TEST GAIN
2cc Coupler
Reference test gain
60 dB SPL input
Full-on gain
50 dB SPL input
2cc Coupler