Maico MA 42 Operation Manual page 53
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Also See for MA 42:
- Operation manual (82 pages) ,
- Operating instructions manual (64 pages) ,
- Service manual (59 pages)
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Calibration values and Max Levels: Headphone Holmco 8103
Coupler IEC 60318-3, Force 4-5 N, PTB
Frequency
Tone RETSPL
[Hz]
dB re 20µPa
125
250
500
750
1000
1500
2000
3000
4000
6000
8000
Signal
IEC 60645-2
RETSPL [dB
Speech
SN
WN
8100460 Rev. 8
NBN RETSPL
dB re 20µPa
39.5
43.5
25.0
29.0
18.5
22.5
13.5
18.5
12.0
18.0
10.0
16.0
9.5
15.5
9.0
15.0
9.0
14.0
19.5
24.5
20.0
25.0
IEC Max
Level [dB
]
HL
20.0
110
20.0
110
0.0
110
53
Operation Manual MA 42
Max Tone
[dB
]
HL
90
105
110
120
120
120
120
115
110
100
100
ANSI S3.6
]
RETSPL
HL
24.5
24.5
0.00
Max NBN
[dB
]
HL
80
95
100
105
110
110
110
110
110
110
110
ANSI Max
Level [dB
]
HL
110
110
110
24/04/2017
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