E:5
F)
Sound Pressure as a Function of Electrical Input Level, MT7H79*
HTS EARPHONE
Type: Dynamic
Frequency range: 125–8000 Hz
Impedance
Colour
Type
Grey
HTS-32
32 Ω
230 Ω
Black
HTS-230
330 Ω
Blue
HTS-330
G) Headbands variants
Model
Frequency
2
**
Mean att.
3
MT7H79A
Stand. dev.
4
APV
Model
Frequency
2
**
Mean att.
3
Stand. dev.
MT7H79P3E
4
APV
Z3E
125
250
500
1000 2000 4000 8000
17.7
27.1 33.8 38.1
36.2 33.6
2.9
2.1
2.4
2.6
2.3
14.8
25.0 31.4 35.5
33.9 31.1
125
250
500
1000 2000 4000 8000
17.2
26.4 33.9 37.2
35.4 33.2
3.1
2.5
2.7
2.3
2.6
14.1
23.9 31.2 34.9
32.8 30.8
E:6
Z3G
H
M
37.1
2.5
2.2
33 dB
32 dB
34.9
H
M
37.0
2.4
2.0
33 dB
31 dB
35.0
E:7
Z3K
L
SNR
NNR
24dB 33 dB
26 dB
L
SNR
NNR
23dB 32 dB
26 dB