Maico MA 25 User Manual

Operation Manual MA 25/MA 25e
MA 27/MA 27e
8104818 Rev. 5
31
29/06/2021
6.3 Pin Assignment
SOCKET
CONNECTOR
PIN 1
PIN 2
Left
6.3 mm Mono
Ground
Signal
Right
Pat. Resp.
USB A (OUT)
USB B (IN)
1. +5 VDC
1. +5 VDC
2. Data -
2. Data -
3. Data +
3. Data +
4. Ground
4. Ground
6.4 Calibration Values and Maximum Levels
Table 13 Coupler Types
COUPLER TYPES USED DURING CALIBRATION
DD45:
Calibrated using a IEC 60318-3 (6cc) acoustic coupler. Tested in
accordance with ANSI S3.6:2010 / ISO 389-1:1998, Impedance: 10Ω
DD65 v2:
Calibrated using a IEC 60318-1 acoustic coupler. Tested in accordance
with ANSI S3.6:2010 / ISO 389-1:1998, Impedance: 10Ω
Table 14 Sound attenuation values
SOUND ATTENUATION
Frequency
[Hz]
Reference equivalent threshold sound pressure level [RETSPL, dB re. 20Pa]
DD45
DD65 v2
125
3.0
8.3
250
5.0
15.5
500
7.0
26.1
1000
15.0
32.4
2000
26.0
43.6
4000
32.0
43.8
8000
24.0
45.6

Maico MA 25 Specifications

General

Brand	Maico
Model	MA 25
Category	Medical Equipment
Language	English