Service Manual MA 42
D-0125965 Rev. D
50
18/05/2022
Calibration values and Max Levels: Bone Conductor BKH10
Coupler IEC 60318-6, mastoid placement, ISO 389-3, ANSI S3.6
Frequency
[Hz]
Tone/Ped.
Noise
RETSPL
dB re 20µPa
NBN
RETSPL
dB re
20µPa
Tone/Ped.
Noise
Max Level
[dB HL]
Max
NBN
[dB HL]
Air Radiation
[dB]
125
82.5
86.5
40/28
25
-
250
67.0
71.0
50/38
35
-
500
58.0
62.0
55/43
40
-
750
48.5
53.5
60/48
45
-
1000
42.5
48.5
65/53
50
-
1500
36.5
42.5
70/58
55
0
2000
31.0
37.0
70/58
55
0
3000
30.0
36.0
70/58
55
0
4000
35.5
40.5
60/48
45
0
6000
40.0
45.0
55/43
40
0
8000
40.0
45.0
45/33
40
0
Signal
Speech
Speech Noise
White Noise
IEC 60645-1 RETSPL
55
55
42.5
IEC Max Level [dB HL]
45
50
60
ANSI S3.6 RETSPL
55
55
42.5
ANSI Max Level [dB HL]
45
50
60
JIS T 1201-2 RETSPL
49
49
n/a
JIS Max Level [dB HL]
51
56
n/a
Содержание MA 42
Страница 1: ...MA 42 Service Manual...
Страница 31: ...Service Manual MA 42 D 0125965 Rev D 30 18 05 2022 Put out encoder PCA Remove screws from the impeller...
Страница 34: ...Service Manual MA 42 D 0125965 Rev D 33 18 05 2022 Take out light guides...
Страница 37: ...Service Manual MA 42 D 0125965 Rev D 36 18 05 2022 Disassamble screws and screw fittings from the PCA...
