SES Area Microphones

SES Area Microphones have the following features:

CVR Area Microphone

• Frequency Response: 50Hz to 10kHz
• Sensitivity for RL = 4.7kω and Operating voltage V=9V: -38dB ±4dB at 1KHz (wrt 1V at 1 Pascal = 94dB Sound Pressure Level)
• Output for 94dB calibrator signal: 12.5mV rms (nom)
• Output for 114dB calibrator signal: 125mV rms (nom)
• Output at 120dB: 250mV rms (nom)
• Distortion: Less than 3% total harmonic distortion at 120dB
• Operating Voltage (Bias): 9V (nom) 1.2V (min) 20V (max)
• Test Voltage: 9V
• Rated Current Drain: 300µA max, Ta = 25°C
• Mating Connector: Lemo F Series: FGN.OF.302.XLC
• Size: Overall: 40mm dia x 27mm (h)
• Barrel Diameter: 23.8mm
• Weight: < 40g
• Nato Stock Number NSN 5965-997787548

Pre-Amp Area Microphone

Frequency Response: 150Hz to 10kHz
• Output Level: 0dBu (0.775 VoltRMS) at max sound pressure level
• Distortion: Less than 3% total harmonic distortion at 120dB
• Operating Voltage: 10V to 32V
• Power: <20mA at 28V
• Mating Connector: Lemo F Series: FGN.0F.304.XLC
• Size: Overall: 40mm dia x 38mm (h)
• Barrel Diameter: 23.8mm
• Weight: < 60g

Environmental Specification

• Temperature: (operating and storage) -40°C to +70°C
• Humidity: 0% to 100% Relative Humidity (Non-Condensing)
• Vibration, operating or non-operating: Tested to Mil-Std 810F, Method 514.5
• Shock, operating or non-operating: 40g 11ms Terminal Peak Saw Tooth
• Altitude: up to 52,500ft
• Dust Ingress and Immersion: IP 57