PLACID PNS20 Voltage Supply Preamplifiers
PNS20 preamplifier is a voltage powered preamplifier with high input impedance, low background noise and wide frequency response range. It can be used with MP21 1/2 inch prepolarized measurement microphone, and also compatible with other brands measurement microphones such as B&K, GRAS. The output adopts a three wire system plug, which can be easily configured for power supply and signal output. It is suitable for electroacoustic tester, multichannel analyzer and other instruments.
| PLACID PNS20 Specification | |
| Frequency Response | 10 Hz ~ 100 kHz（±0.5 dB） |
| Input impedance | >5G Ω |
| Output impedance | <110 Ω |
| Power Supply Mode | DC 4 V – 28 V |
| Noise (A-Weighting） | ＜3 μVrms |
| Noise，Linear（20 ~ 20 kHz） | ＜10 μVrms DC |
| Maximum output voltage | Vrms |
| Applicable temperature | -30℃ ~ +70℃ |
| Screw connection | 11.7 mm – 60 UNS （M11.7×0.423 mm） |
| Diameter | 12.7 mm（1/2 Inch） |
| Length (H) | 15 mm |
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