Operator desktop microphone • Electret microphone
• Input voltage: 0.002 to 0.02 Vrms,
• Input resistance: 2.21 kΩ.
• 3.5 mm jack
Assistant monitor headset
• 40 mW 16Ω
• 3.5 mm jack
Static force of transducer headbands
TDH 39: 4.5N ±0.5N
Bone vibrator: 5.4N ±0.5N
HDA 300: 10N
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