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Ring 72-120 AC Pro
Ring 72-120 AC Pro 72 channel system for various measurement scenarios
- Aluminium array-body diameter: 120 cm
- Weight: 4 kg
- Number of microphones: 72
- Frequency response of microphones: 20 Hz-20 kHz (± 3 dB)
- Dynamic range of microphones: 28-130 dB (A-weighted)
- Acoustic maps from 23-130 dB
- Max. equivalent sound level: 130 dB
- Symmetrical output resistance: 100 Ω
- Recommended measurement distance: 1.5-20 m
- Recommended mapping frequencies: 200 Hz-20 kHz
- Single map dynamic: 9-12 dB (CBF) using HDR 20-40 dB
- Connecting Array Cable length to data recorder: 1-20 m
- Video camera: USB or Ethernet connector; different frame rates and resolutions available
- Ingress protection code: IP20
- Operating environment: 0°-45°C, up to 80% r.h.