Operator desktop microphone
•
Electret microphone
•
Input voltage: 0.002 to 0.02 Vrms,
•
Input resistance: 2.21 k
Ω
.
•
3.5 mm jack
Assistant monitor headset
•
40 mW 16
Ω
•
3.5 mm jack
Static force of transducer headbands
TDH 39:
4.5 N ±0.5 N
Bone vibrator:
5.4 N ±0.5 N
HDA 300:
10 N
USB port connector
Type:
USB device port
Interface:
USB 2.0
Speed:
Full-speed (12 Mb/s)
Transport and storage
Temperature:
-30°C to +60°C (-22°F to 140°F)
Air humidity:
10% to 90%, non-condensing
Air pressure:
500 hPa to 1060 hPa
Operating environment
Mode of operation:
Continuous
Temperature:
+15°C to +35°C (59°F to 95°F)
Air humidity:
30% to 90%, non-condensing
Air pressure:
980 hPa to 1040 hPa.
(Operation in temperatures exceeding -20°C (-4°F) or +60°C (140°F) may cause permanent damage.)
Warm-up time
< 5 min.
Note
•
Should be extended if MADSEN Astera² has been stored in a cold environment.
Disposal
MADSEN Astera² can be disposed of as normal electronic waste, according to WEEE and local regulations.
26
Otometrics - MADSEN Astera²
16 Technical Specifications