Affinity
Note:
RETSPL = Reference Equivalent Threshold Sound Pressure Level
The TDH39 is calibrated on an IEC60318-3 compliant head and ear simulator.
The HDA200 is calibrated on an IEC60318-1 compliant head and ear simulator.
The B71 is calibrated on a IEC R373 compliant mastoid simulator, using a static force of 5,4N.
The E-A-R Tone 5A is calibrated using either an IEC126 coupler or an IEC711 simulator.
Tone Presentation:
Patient signal:
Patient
communication:
Monitor:
Storing capability:
Compatible Software:
Specifications
REM440 module:
Real Ear
Standards:
Measurement:
EMC:
Safety:
2.0
Instruction for Use - English
Date: 2008-10-03
Sound attenuation values for
earphones
Freq.
Attenuation
TDH39 with
MX41/AR or
PN 51
cushion
[Hz]
[dB]
125
3
160
4
200
5
250
5
315
5
400
6
500
7
630
9
750
-
800
11
1000
15
1250
18
1500
-
1600
21
2000
26
2500
28
3000
-
3150
31
4000
32
5000
29
6000
-
6300
26
8000
24
Manual or Reverse. Single or multiple pulses.
One or two (optional) hand held push button.
Talk Forward and Talk Back.
Channel 1 and Channel 2
Tone audiogram: dB HL, MCL, UCL
Speech Audiogram: SDS1, SDS2, SDS3, MCL, UCL, Aided, Unaided.
NOAH 3, OtoAccess
EN 61669, ISO 12124
EN 60601-1-2
EN 60601-1, Class I, Type B
Page 13/15
Difference between free field
and coupler sensitivity levels.
Used by Free Field equivalent
earphone output (Type A-E or
Freq.
EAR-Tone
5A
[dB]
[Hz]
32.5
125
-
160
-
200
36
250
-
315
-
400
37.5
500
-
630
-
750
-
800
36.5
1000
-
1250
-
1500
-
1600
33
2000
-
2500
-
3000
-
3150
39.5
4000
-
5000
-
6000
-
6300
42.5
8000
TM.
B-E)
Correction values
TDH39 with
MX41/AR or PN 51
cushion using IEC
303 coupler
[dB]
-17.5
-14.5
-12
-9.5
-6.5
-3.5
-0.5
0
-
-0.5
-0.5
-1
-
-4
-6
-7
-
-10.5
-10.5
-11
-
-10.5
1.5