What we know about the measurement:

Fulcrum Acoustic CX826 is an active toursound

  • Quality of the measurement data is medium.
  • Origin of the data is Fulcrum Acoustic.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 106.0Hz (resp. 92.5Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-40.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for toursound speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is 4.03 and would be 7.45 with a perfect subwoofer.
      • Details: NBD: ON 0.46, LW 0.395, SP 0.438, PIR 0.385; SM: SP0.887, PIR0.893; LFQ 1.365, LFX 89Hz
    • Tonality (Preference) Score is 5.21 with an EQ and would be 8.52 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.261, LW 0.218, SP 0.324, PIR 0.228; SM: SP0.898, PIR0.936; LFQ 1.365, LFX 85Hz
  • Note: Relatively high smoothing; Pattern is 120x60.
  • Vendor specifications:
    • Dispersion: 120° horizontal and 60° vertical.
    • Sensitivity 102 dB
    • SPL
      • continuous: 126 dB
      • peak: 132 dB
    • Size
      • Width 362mm
      • Height 297mm
      • Depth 298 mm)
    • Weight 7.7 kg
Fulcrum Acoustic CX826
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
3 95.0 2.68 3.0
3 134.0 2.85 -1.06
3 252.0 2.52 -0.69
3 3289.0 3.0 1.89
3 6818.0 2.97 2.99
3 7834.0 2.99 -3.46
3 9001.0 3.0 2.8
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Fulcrum Acoustic CX826 filters_auto_eq

AutomaticEQ

Fulcrum Acoustic CX826 filters_eq_full

Target v.s. 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
Frequency Frequency with EQ
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