Placid Preamplifiers

Placid preamplifiers for microphones (sound level meter)

MICROPHONE PREAMPLIFIER
TypePNP21PNP22PNP41PMP40 (mic + preamp)
Diameter1/2 inch1/2 inch1/4 inch7mm
Frequency Response (Ref: 250 Hz, ±0.2 dB)5 Hz ~ 100 kHz5 Hz ~ 100 kHz5 Hz ~ 100 kHz5 Hz ~ 100 kHz
Attenuation (10 Hz ~ 100 kHz)< 0.5 dB< 0.5 dB< 0.5 dB< 0.5 dB
Input Impedance> 5 GΩ> 5 GΩ> 1.5 GΩ> 1.5 GΩ
Output Impedance< 110 W< 110 W< 110 W< 110 W
Electrical Noise (self noise)

A-weighting  < 2.0 μV

20 Hz ~ 20 kHz < 6.0 μV

A-weighting  < 2.0 μV

20 Hz ~ 20 kHz < 6.0 μV

A-weighting < 2.5 μV

20 Hz ~ 20 kHz < 6.0 μV

A-weighting < 2.5 μV

20 Hz ~ 20 kHz < 6.0 μV

Maximum Output Voltage8.0 Vrms8.0 Vrms8.0 Vrms6.0 Vrms
Power RequirementICP (2 ~ 20 mA)ICP (2 ~ 20 mA)ICP (2 ~ 20 mA)ICP (2 ~ 20 mA)
Operating Temperature-40°C ~ 100°C-40°C ~100°C-40°C ~ 100°C-30°C ~ 80°C
Operating Humidity0 ~ 98% RH0 ~ 98% RH0 ~ 98% RH0 ~ 98% RH
Output ConnectorBNCSMBSMBSMB
Length (mm)68355864
Weight (g)25.514.56.57.5
PLACID Preamplifiers for measurement microphones
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