
Insert Earphones - ANSI Speech max HL
Transducer
EAR3A
EAR3A
IP30
IP30
EAR3A
EAR3A
IP30
IP30
Impedance
10 Ω
50 Ω
10 Ω
50 Ω
10 Ω
50 Ω
10 Ω
50 Ω
Coupler
2ccm
2ccm
2ccm
2ccm
711
711
711
711
Max HL Max HL Max HL
Max HL Max HL Max HL Max HL Max HL
Speech
Speech
Equ.FF.
Speech Non-
linear
110
105
110
105
105
105
105
105
Speech noise
Speech noise
Equ.FF.
Speech noise
Non-linear
100
100
100
100
100
100
100
100
White noise in
speech
95
95
95
95
85
85
85
85
Insert Earphones - IEC Speech max HL
Transducer
EAR3A
IP30
EAR3A
IP30
Impedance
10 Ω / 50 Ω
10 Ω / 50 Ω
10 Ω / 50 Ω
10 Ω / 50 Ω
Coupler
2ccm
2ccm
711
711
Max HL
Max HL
Max HL
Max HL
Speech
Speech Equ.FF.
Speech Non-linear
100
100
105
105
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
90
90
100
100
White noise in speech
85
85
85
85