What we know about the measurement:

Fulcrum Acoustic RX4 is an active liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is Fulcrum Acoustic.
  • Format of the data is a GLL file .
  • Warning: this measurement was already process with an equalizer.
  • -3dB (resp. -6db) point v.s. reference is at 165.0Hz (resp. 145.0Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-60.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is -0.51 and would be 3.8 with a perfect subwoofer.
      • Details: NBD: ON 0.707, LW 0.667, SP 0.856, PIR 0.713; SM: SP0.081, PIR0.006; LFQ 0.688, LFX 144Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 100° vertical.
    • Sensitivity 85 dB
    • SPL
      • continuous: 105 dB
      • peak: 111 dB
    • Size
      • Width 135mm
      • Height 127mm
      • Depth 132 mm)
    • Weight 1.4 kg
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