Bruel & Kjaer 2805 Microphone Power Supply
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Bruel & Kjaer 2805 is a 4-channel microphone power supply with LEMO inputs, BNC outputs, switchable 0V/200V polarization, and TEDS plus CIC calibration support.
Product details
| Model | 2805 |
| Manufacturer | Bruel & Kjaer |
| Category | Power Supplies & Electronic Loads |
| Availability | Made to order |
Description
Overview
The Bruel & Kjaer 2805 is a 4-channel microphone power supply designed for acoustic measurement systems where robustness and reliability are critical. It provides clean power to multiple microphone and preamplifier channels while introducing negligible noise into the measurement system.
Key Features
- 4 microphone inputs via LEMO connectors
- 4 outputs via BNC connectors
- Selectable polarization voltage: 0 V or 200 V
- Supports IEEE P1451.4 TEDS transducer identification
- Charge Injection Calibration (CIC) testing capability
- Stackable design for multi-unit configurations
- Robust construction for demanding environments
Applications
- Production and quality control of loudspeakers
- Telephone equipment testing
- Acoustic system monitoring and troubleshooting
Specifications
| Microphone Inputs | 4 (LEMO connectors) |
| Outputs | 4 (BNC connectors) |
| Polarization Voltage Options | 0 V, 200 V |
| TEDS Support | IEEE P1451.4 |
| Calibration Method | Charge Injection Calibration (CIC) |
| Design | Stackable |
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Bruel & Kjaer 2805 Microphone Power Supply
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