PCB Piezotronics
PCB Piezotronics 378C13 377C13 With 426E01 (Teds)
PCB Piezotronics · Acoustics & Microphone
Model 378C13:TEDS 377C13 pressure microphone and 426E01 preamplifier, 12.6 mV/Pa (+/-2 dB), 3.2 Hz to 20 kHz (+/-2 dB), 4Hz to 12.5 kHz (+/-1 dB)
Key Features
Model 378C13:TEDS 377C13 pressure microphone and 426E01 preamplifier, 12.6 mV/Pa (+/-2 dB), 3.2 Hz to 20 kHz (+/-2 dB), 4Hz to 12.5 kHz (+/-1 dB)
- Nominal Microphone Diameter: 1/2"
- Frequency Response Characteristic: Pressure
- Frequency Range: (±2dB)3.15 to 20000 Hz
- Dynamic Range: 150 dB re 20 µPa
Spesifikasi
| Nominal Microphone Diameter | 1/2" |
|---|---|
| Frequency Response Characteristic | Pressure |
| Sensitivity (±2 dB) | -38 dB re 1 V/Pa / [3] |
| Sensitivity | 12.6 mV/Pa / [3] |
| Frequency Range (±2 dB) | 3.15 to 20000 Hz |
| Frequency Range (±1 dB) | 4 to 12500 Hz |
| Lower Limiting Frequency (3) | 1.0 to 2.4 Hz |
| Inherent Noise | 22 dB(A) re 20 µPa / [1] |
| Dynamic Range (3% Distortion Limit) | 150 dB re 20 µPa / [1] |
| TEDS Compliant | Yes / [2] |
| Temperature Range (Operating) | -40 to +176 °F / -40 to +80 °C |
| Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) | 0.004 dB/°F / 0.008 dB/°C / [1] [3] |
| Static Pressure Coefficient | -0.006 dB/kPa / [1] [3] |
| Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) | ±0.001 dB/%RH / [3] |
| Influence of Axial Vibration (0.1g (1 m/s²)) | 66 dB re 20 µPa / [1] |
| Polarization Voltage | 0 V / [4] |
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