TheModel 265 Area Microphone Preamplifieris designed to detect and amplify acoustic cockpit signals for routing to cockpit voice records. The model 265-002 is designed to include an internally mounting microphone for receiving acoustic input signals at the microphone opening located at the front of the enclosure.
规格：
Amplifier Gain:
16 dB to 36 dB (adjustable)
Output Levels:
1.0 VRMS into 600Ω when acoustic input level is 94 dB SPL above 20 µPascals
Amplifier Frequency Responce:
Flat within 3 dB from 100 Hz to 10,000 Hz
Acoustic frequency response:
Flat within 3 dB from 150 Hz to 8,000 Hz
Amplifier distortion:
Less than 1% THD+N
Acoustic distortion:
Less than 5% THD+N
Microphone output:
1.0 VRMS into 600Ω (nominal) 2.0 VRMS into 600Ω (max.)
Power supply:
28 VDC @ 30 mA
Temperature:
-55°C to 70°C
Altitude:
Up to 55,000 ft
Qualifications:
FAR Part 21, TSO C139, TSO C123b, Eurocae ED112, RTCA DO-214 & RTCA DO-160E
特征：
No product features currently available.
