PCB Piezotronics
PCB Piezotronics 378A08 Mic & Preamp-Low Noise 1/4" Ff Icp(Teds)
Model 378A08:Microphone and preamp, small with low noise, 1/4" FREE-FIELD PREPOLARIZED
Model 378A08:Microphone and preamp, small with low noise, 1/4" FREE-FIELD PREPOLARIZED
Key Features
Model 378A08:Microphone and preamp, small with low noise, 1/4" FREE-FIELD PREPOLARIZED
- Nominal Microphone Diameter: 1/4"
- Frequency Response Characteristic: Free-Field
- Frequency Range: (±2dB)12 to 20000 Hz
- Inherent Noise: 22 dB(A) re 20 µPa
- Dynamic Range: 123 dB re 20 µPa
Spesifikasi
| Nominal Microphone Diameter | 1/4" |
|---|---|
| Frequency Response Characteristic (at 0° incidence) | Free-Field |
| Sensitivity (±2 dB) | -26 dB re 1 V/Pa / [3] |
| Sensitivity | 50 mV/Pa / [3] |
| Frequency Range (±2 dB) | 12 to 20000 Hz |
| Frequency Range (±1 dB) | 20 to 10000 Hz |
| Frequency Range (±5 dB) (Random Incidence) | 5 to 20000 Hz |
| Frequency Range (±2 dB) (Random Incidence) | 12 to 10000 Hz |
| Lower Limiting Frequency (3) | 5 to 10 Hz |
| Inherent Noise | 22 dB(A) re 20 µPa / [1] [4] |
| Dynamic Range (3% Distortion Limit) | 123 dB re 20 µPa / [1] |
| TEDS Compliant | Yes / [2] |
| Temperature Range (Operating) | -4 to +140 °F / -20 to +60 °C |
| Temperature Coefficient of Sensitivity | 0.006 dB/°F / 0.01 dB/°C / [1] [3] |
| Static Pressure Coefficient | -0.01 dB/kPa / [1] [3] |
| Humidity Coefficient of Sensitivity (0 to 90%, non-condensing) | ±0.005 dB/%RH / [3] |
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