90
Maximum Output (OSPL 90)
Frequency (Hz)
Output (dB SPL)
2cc Coupler
Full-On and Reference Test Gain
Frequency (Hz)
Gain (dB)
2cc Coupler
Full-on gain
50dB SPL input
Reference test gain
60dB SPL input
Reference test gain (60 dB SPL input) HFA 52 dB
Full-on gain (50 dB SPL input)
HFA
73
68
dB
Maximum output (90 dB SPL input)
HFA
132
129
dB SPL
Total harmonic distortion
500 Hz
800 Hz
1,600 Hz
0.8
0.6
0.4
%
HFA-SPLIV Telecoil sensitivity @ 31.6
mA/m(ANSI)
HFA 112 dB SPL
Equivalent input noise 23 dB SPL
Frequency range (DIN 45605/ANSI) 100-4,740 Hz
Current drain 1.2/1.4 mA
24 Technical specifications
Models: ET 88-DWH
400738011US-17.07-Rev.B.indd 54 03-07-2017 13:51:32