Sphere 48-35 AC Pro


Sphere 48-35 AC Pro
48 channel system for various interior measurement scenarios
  • Array-body diameter: 35 cm
  • Weight: 0.9 kg
  • Number of microphones: 48
  • Frequency response of the microphones: 20 Hz-20 kHz (± 3 dB)
  • Dynamic range of microphones: 28-130 dB (A-weighted)
  • Acoustic maps from 23-130 dB
  • Equivalent noise level: 23 dBA
  • Max. equivalent sound level: 130 dB
  • Symmetrical output resistance: 100 Ω
  • Recommended measurement distance: 0.3-5 m
  • Recommended mapping frequencies: 400 Hz-20 kHz
  • Single map dynamic: 13-17 dB (CBF) using HDR 20-40 dB
  • Backward attenuation of array: > -20 dB
  • Connecting Array Cable length to data recorder: 1-20 m
  • Video camera: USB
  • Ingress protection code: IP20
  • Operating environment: 0°-45°C, up to 80% r.h.
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