Bruel & Kjaer WB1057 Dual Microphone Supply
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Bruel & Kjaer WB1057 is a dual-channel microphone power supply with laboratory-standard specifications and CCLD accelerometer support for field and laboratory measurements.
Product details
| Model | WB1057 |
| Manufacturer | Bruel & Kjaer |
| Category | Sound Level Meters |
| Availability | Made to order |
Description
Overview
The Bruel & Kjaer WB1057 is a dual-channel microphone power supply and conditioning amplifier designed for field and laboratory use. This portable unit provides laboratory-standard specifications for conditioning microphone preamplifiers and CCLD accelerometers, making it ideal for high-quality acoustic and vibration measurements in diverse environments. The compact design allows for field portability, while the modular cassette system enables rack mounting for permanent laboratory installations.
Key Features
- Dual-channel microphone preamplifier power supply with amplitude and phase-matched channels
- Support for B&K microphone preamplifiers (Type 5935) and LEMO socket preamplifiers (Type 5935-L)
- Compatible with CCLD accelerometers and microphone preamplifier Type 2671
- Selectable 0V, 28V, or 200V microphone polarization voltage
- Gain range of -5 dB to +55 dB per channel
- Selectable linear or A-weighted frequency response for each channel
- Internal battery operation with alkaline or NiCd options for portability
- Charge injection calibration capability (Type 5935-L)
- Modular cassette design for rack mounting
Applications
- Acoustic field measurements and environmental noise monitoring
- Vibration analysis using CCLD accelerometers
- Portable sound quality assessment with Head and Torso Simulator
- Multi-position measurement switching without equipment reconnection
- Laboratory and field acoustic research
Specifications
| Channels | 2 (dual-channel) |
| Microphone Polarization Voltage | 0V, 28V, or 200V |
| Gain Range | -5 dB to +55 dB per channel |
| Frequency Response | Selectable linear or A-weighted |
| Input Sockets | B&K 7-pin (Type 5935) or LEMO 7-pin (Type 5935-L) |
| Power Source | Internal batteries (alkaline or NiCd) |
| Compatible Accelerometers | CCLD accelerometers |
| Compatible Preamplifiers | Falcon Range, Type 2671, Type 5935, Type 5935-L |
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Bruel & Kjaer WB1057 Dual Microphone Supply
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