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Bruel&Kjaer BK-4958-A Microphone – Professional Sound Recording
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Bruel&Kjaer BK-4958-A Microphone – Professional Sound Recording
High-precision measurement microphone for professional acoustic analysis
| Brand | Bruel&Kjaer |
| Model | BK-4958-A |
| Voltage | 200V polarization (via preamplifier) |
| Country of Origin | Denmark |
| Weight | 0.032 kg |
| Dimensions | Diameter: 13.2 mm, Length: 16.2 mm |
| Warranty | 1 year |
| Certifications | CE, IEC 61094-4, ANSI S1.12 |
| SKU / MPN | 4958-A |
| What’s in the box | Microphone cartridge, protective grid, calibration certificate, storage case |
| Frequency Range | 10 Hz to 20 kHz ±1 dB |
| Open Circuit Sensitivity | 50 mV/Pa (±2 dB) |
| Dynamic Range | 15 dB(A) to 146 dB SPL |
| Output Impedance | < 0.1 Ohm |
| Temperature Range | -30 to +85 °C |
| Pressure Coefficient | -0.005 dB/kPa |
Key benefits: Wide frequency response, excellent stability, low inherent noise
Typical applications: Sound level monitoring, acoustic testing, professional recording, automotive NVH
Order number: Bruel&Kjaer BK-4958-A Microphone – Professional Sound Recording
Lifecycle: Active
Documentation: Product data sheet, user manual, application notes from manufacturer
1 review for Bruel&Kjaer BK-4958-A Microphone – Professional Sound Recording
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