Class 2 Microphone
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Specifications
| Functions | Acoustic |
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Class 2 Measurement Microphone
A plug-on (XLR) Class 2 measurement microphone for use with the XL2 acoustic analyzer, which combines a high dynamic range and wide frequency response with low noise
Built-in pre-amplifier
48 Vdc phantom powered
Omni-directional directivity pattern
| Microphone Type | Omni-directional, pre-polarized condenser, free-field microphone |
| Capsule / Transducer | 1/4” permanently installed capsule |
| Flatness | Class 2 (IEC61672-1) |
| Frequency Range | 20 Hz - 20 kHz |
| Residual Noise Floor typical | 29 dB(A) |
| Linear measurement range with XL2 acc. IEC 60804 | 35 dB(A) - 136 dB |
| Maximum SPL @ THD 3%, 1 kHz | 136 dBSPL |
| Sensitivity typical | -30 dBV/Pa ±4 dB (30 mV/Pa) @ 1kHz |
| Temperature Coefficient | 0.05 dB / °C @ +10°C to +50°C |
| Electronic Data Sheet | NTi Audio ASD according IEEE P1451.4 V1.0, Class 2, Template 27 |
| Output Impedance | 100 Ohm balanced |
| Power Supply | 48 VDC phantom power, 3 mA typical |
| Dimensions | Length 150 mm (5.9”), diameter 20.5 mm (0.8”) |
| Connector | 3-pole XLR (NEUTRIK) |
Standards
Class 2 (IEC61672-1)