Type 40SC

Type 40SC
The CCP* Probe Microphone Type 40SC is similar to the Probe Microphone Type 40SA in both size and performance but differs in the way it is powered.
The Type 40SC is built around a prepolarised microphone and preamplifier and requires a constant-current power supply. Instead of a cable, it has a BNC socket for connecting it to a constant-current power supply such as the G.R.A.S. CCP Supply Type 12AL. It has a coaxial BNC output connector.
Specifications Type 40SC<
Specifications Type 40SC
Sensitivity at 250 Hz:
3 mV/Pa nominal
Dynamic range (upper limit):
>160 dB re. 20µPa
Frequency range (with corrections):
2 Hz - 20 kHz
Electrical output impedance:
< 50 Ohm
Typical noise, A-weighted and:
6 µV or 40 dBA
Lin (20 Hz - 20 kHz):
3 µV or 54 dB
40 g
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