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   <Type 40SA>
   Sensitivity at 250 Hz: 3 mV/Pa nominal
    Dynamic range: Upper limit: >174 dB ( re. 2*10-5 Pa)
   Frequency range: (including corrections) 2 Hz - 20 kHz
   Electrical Output Impedance: < 50 Ω
   Noise (Typical): 3 μV Lin. 20 Hz-20kHz or 54 dB
                          6 μV A-weighted or 40 dB(A)
    Weight: 40 g 

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