What we know about the measurement:

Fulcrum Acoustic CCX1577 is a passive toursound

  • Quality of the measurement data is medium.
  • Origin of the data is Fulcrum Acoustic.
  • Format of the data is a GLL file .
  • Sensitivity:
    • Sensitivity: 105.0dB (avg. 100Hz-1kHz for 2.83V estimated at 1m).
    • Sensitivity: 85.0dB computed at the measurement distance (10.0m) over the same frequency range.
  • -3dB (resp. -6db) point v.s. reference is at 85.0Hz (resp. 73.0Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-40.0°, 40.0°) 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 7.28 with a perfect subwoofer.
      • Details: NBD: ON 0.581, LW 0.396, SP 0.39, PIR 0.368; SM: SP0.929, PIR0.927; LFQ 3.109, LFX 82Hz
    • Tonality (Preference) Score is 5.12 with an EQ and would be 8.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.363, LW 0.235, SP 0.336, PIR 0.251; SM: SP0.913, PIR0.917; LFQ 3.109, LFX 73Hz
  • Note: Relatively high smoothing; Pattern is 75x75.
Fulcrum Acoustic CCX1577
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
3 74.0 1.56 2.99
3 121.0 2.12 -1.99
3 252.0 2.82 -1.09
3 382.0 0.26 0.57
3 1429.0 2.98 -1.4
3 9001.0 2.95 2.98
3 10707.0 2.18 -2.18
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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 CCX1577 filters_auto_eq

AutomaticEQ

Fulcrum Acoustic CCX1577 filters_eq_full

Target v.s. EQ

Fulcrum Acoustic CCX1577
Graphic EQ 15 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 0.25
3 100.0 2.14 0.25
3 160.0 2.14 0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.25
3 630.0 2.14 0.25
3 1000.0 2.14 0.25
3 1600.0 2.14 0.25
3 2500.0 2.14 0.25
3 4000.0 2.14 0.25
3 6300.0 2.14 0.25
3 10000.0 2.14 0.5
3 16000.0 2.14 0.75
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These EQ is designed for a 15 bands graphical EQ.

Fulcrum Acoustic CCX1577
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.25
3 63.0 4.32 0.25
3 80.0 4.32 0.25
3 100.0 4.32 0.25
3 125.0 4.32 0.0
3 160.0 4.32 0.25
3 200.0 4.32 0.25
3 250.0 4.32 0.0
3 315.0 4.32 0.25
3 400.0 4.32 0.25
3 500.0 4.32 0.25
3 630.0 4.32 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.5
3 4000.0 4.32 0.25
3 5000.0 4.32 0.5
3 6300.0 4.32 0.25
3 8000.0 4.32 0.5
3 10000.0 4.32 0.5
3 12000.0 4.32 0.25
3 16000.0 4.32 0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Fulcrum Acoustic CCX1577: comparison between EQs
Fulcrum Acoustic CCX1577

Comparison betweens various EQs

Fulcrum Acoustic CCX1577

Improvements made by 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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