Maico MA 50 Operating Instructions Manual page 25

Calibration values:
Frequency [Hz]
125
250
500
750
1000
1500
2000
3000
4000
6000
8000
Standard accessories:
Optional accessories:
Geba_MA50_Fe_11a.doc
Operating Instructions MA 50
Insert phone Eartone 3A (optional)
Reference equivalent threshold
sound pressure level
ISO 389 - 2
with Coupler IEC 126
[dB] (re 20 Pa
26
14
5.5
2
0
2
3
3.5
5.5
2
0
1 air conduction receiver Telephonics TDH 39
1 bone conduction receiver Radio Ear B 71
1 patient response switch
1 power cord
1 pad of audiogram paper (50 sheets)
Insert phone
audiogram paper (50 sheets) Part No. 1162-417
ANSI S3.6-1
with Coupler HA-2
) [dB] (re 20 Pa
26
14
5.5
2
0
2
3
3.5
5.5
2
0
23
sound damping
)
[dB]
32.5
36
37.5
-
36.5
-
33
-
39.5
-
42.5
Part No. 4790
851 406/2 11/11