ACO 4157N Preamplifier integrated microphone (70kHz, 161dB)

Frequency Response Characteristic: Pressure-Field

Nominal Diameter: 1/4 inch

Release voltage: -57dB (1.4mV/Pa)

Pressure Sensitivity

(Included preamplifier): -59dB (1.1mV/Pa)

Polarization voltage: 0V

Frequency Characteristics: 20Hz～70kHz

Maximum sound pressure level: 161dB

Self-noise level: 48dB(A)

Temperature coefficient: 0.009dB/℃ or less

Power supply and voltage: DC15～28V

Constant current: 0.5～4mA

Output Impedance: Approx.100Ω

Connector: SMB connector

Operating Temperature・

Range of Humidity: -10℃～+50℃・90%RH (no condensation)

Storage Temperature・

Range of Humidity: 40% or less (at room temperature)

Cable: SMB-BNC Cable (3m)

Outline size: Φ7×50

Weight: 6g