What we know about the measurement:

RCF ART 745-A MK4 is an active liveportable speaker that cost around 1245USD each .

  • Quality of the measurement data is low .
  • Origin of the data is RCF.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 65.0Hz (resp. 58.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.7dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.4 and would be 6.15 with a perfect subwoofer.
      • Details: NBD: ON 0.448, LW 0.441, SP 0.531, PIR 0.491; SM: SP0.758, PIR0.455; LFQ 3.383, LFX 63Hz
    • Tonality (Preference) Score is 5.21 with an EQ and would be 7.74 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.331, LW 0.36, SP 0.482, PIR 0.418; SM: SP0.953, PIR0.92; LFQ 3.383, LFX 56Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 60° vertical.
    • SPL
      • peak: 133 dB
    • Size
      • Width 437mm
      • Height 708mm
      • Depth 389 mm)
    • Weight 18.8 kg
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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