Bruel & Kjaer 4190 ½-Inch Free-field Microphone
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Bruel & Kjaer 4190 is a precision ½-inch free-field microphone with high sensitivity (50 mV/Pa) for premium sound measurement equipment complying with IEC 61672 class 1.
Product details
| Model | 4190 |
| Manufacturer | Bruel & Kjaer |
| Category | Sound Level Meters |
| Availability | Made to order |
Description
Overview
The Bruel & Kjaer Type 4190 is designed for high-precision free-field measurements where a microphone with high sensitivity is required. Being of external polarized type, the Type 4190 must be used with a classical preamplifier.
Key Features
- Precision sound measurement capability
- Premium class sound level meters
- Equipment complying with IEC 61672 class 1
- Sensitivity: 50 mV/Pa
- Frequency range: 6.3 Hz to 20 kHz
- Dynamic range: 14.6 to 146 dB
- Operating temperature: –30 to +150°C
- External polarization: 200 V
- Requires classical preamplifier
Applications
- Precision sound level measurement
- Acoustic research and development
- Professional audio system calibration
Specifications
| Sensitivity | 50 mV/Pa |
| Frequency Range | 6.3 Hz to 20 kHz |
| Dynamic Range | 14.6 to 146 dB |
| Operating Temperature | –30 to +150°C |
| Polarization Type | External |
| Polarization Voltage | 200 V |
| Microphone Size | ½-inch |
| Compliance | IEC 61672 class 1 |
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Bruel & Kjaer 4190 ½-Inch Free-field Microphone
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