User Guide

Sonic · Charm Simply natural 13
12 Sonic · Charm Simply natural
Charm 40
ITCD
ITCD
2cc Coupler Ear Simulator
OSPL 90, peak dB SPL 117 128
OSPL 90, 1600 Hz dB SPL 111 120
HFA OSPL 90 dB SPL 112 –
Full-on gain, peak dB 50 63
Full-on gain, 1600 Hz dB 41 50
HFA full-on gain dB 43 –
Reference test gain dB 36 44
Quiescent current mA 0.9 0.9
Operating current mA 1.0 0.9
Battery size 312 312
Distortion 500 / 800 / 1600 Hz % <2/<2/<2 <2/<2/<2
Frequency range Hz 100-7100 –
Equivalent input noise
1)
dB SPL 19 22
Telecoil 1 mA/m 1600 Hz, IEC dB SPL 72 81
Telecoil HFA SPLITS, ANSI dB SPL 94 –
Ear Simulator
2cc Coupler
Ear Simulator FOG**
2cc Coupler FOG**
140
130
120
110
100
90
80
70
100 1000 10000
120
110
100
90
80
70
60
50
100 1000 10000
ITCD
OSPL 90 Output in dB SPL
Frequency Response Curves Output in dB SPL
Frequency in Hertz (Hz)
Frequency in Hertz (Hz)
** FOG with 50 dB SPL input
1)
“Equivalent input noise A-weighted. Technical data measured with expansion, corresponding to the test box measurement settings.”
“2cc” refers to a coupler according to IEC 60318-5. “Ear simulator” refers to a coupler according to IEC 60318-4.Applied versions: IEC 60118-7:2005, IEC 60118-0:1994 and ANSI S3.22:2009.
Hearing Level
in decibels (dB)
Fitting Range ITCD
Frequency in Hertz (Hz)