What we know about the measurement:

DB Audiotechnik M4 is a passive liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is DB Audiotechnik.
  • Format of the data is a GLL file .
  • Sensitivity:
    • Sensitivity: 99.3dB (avg. 100Hz-1kHz for 2.83V estimated at 1m).
    • Sensitivity: 79.3dB computed at the measurement distance (10.0m) over the same frequency range.
  • -3dB (resp. -6db) point v.s. reference is at 122.0Hz (resp. 73.0Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.1dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.28 and would be 5.2 with a perfect subwoofer.
      • Details: NBD: ON 0.797, LW 0.711, SP 0.821, PIR 0.716; SM: SP0.865, PIR0.71; LFQ 2.448, LFX 68Hz
  • Vendor specifications:
    • Dispersion: 50° horizontal and 70° vertical.
    • Impedance 8 Ohm
    • SPL
      • peak: 140 dB
    • Size
      • Width 580mm
      • Height 363mm
      • Depth 505 mm)
    • Weight 20.0 kg
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