What we know about the measurement:

Fulcrum Acoustic RX599 is a passive liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is Fulcrum Acoustic.
  • Format of the data is a GLL file .
  • Sensitivity: 111.2dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 91.2dB.
  • -3dB (resp. -6db) point v.s. reference is at 125.0Hz (resp. 112.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 0.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.41 and would be 6.18 with a perfect subwoofer.
      • Details: NBD: ON 0.498, LW 0.461, SP 0.584, PIR 0.521; SM: SP0.784, PIR0.563; LFQ 0.673, LFX 109Hz
    • Tonality (Preference) Score is 3.41 with an EQ and would be 7.08 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.487, LW 0.382, SP 0.462, PIR 0.396; SM: SP0.885, PIR0.773; LFQ 0.673, LFX 102Hz
  • Vendor specifications:
    • Dispersion: 90° horizontal and 90° vertical.
    • Sensitivity 85 dB
    • Impedance 16 Ohm
    • SPL
      • continuous: 107 dB
      • peak: 113 dB
    • Size
      • Width 142mm
      • Height 220mm
      • Depth 152 mm)
    • Weight 3.9 kg
Fulcrum Acoustic RX599
AutomaticEQ (IIR)
Set preamp gain to: -3.3dB.
Type Freq Q Gain
5 125.0 0.29 3.0
3 1442.0 2.76 1.36
3 1704.0 2.58 -0.27
3 2302.0 1.59 -1.19
3 2909.0 2.82 0.37
3 4966.0 2.83 -1.6
3 7173.0 0.94 -0.42
3 8478.0 2.61 2.09
5 13997.0 0.78 0.29
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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 RX599 filters_auto_eq

AutomaticEQ

Fulcrum Acoustic RX599 filters_eq_full

Target v.s. EQ

Fulcrum Acoustic RX599
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 0.5
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.25
3 2500.0 2.14 0.0
3 4000.0 2.14 0.0
3 6300.0 2.14 0.25
3 10000.0 2.14 0.5
3 16000.0 2.14 0.5
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These EQ is designed for a 15 bands graphical EQ.

Fulcrum Acoustic RX599
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 0.5
3 100.0 4.32 0.5
3 125.0 4.32 0.5
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 0.0
3 1250.0 4.32 0.0
3 1600.0 4.32 0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 0.0
3 3150.0 4.32 0.0
3 4000.0 4.32 0.0
3 5000.0 4.32 0.0
3 6300.0 4.32 0.25
3 8000.0 4.32 0.5
3 10000.0 4.32 0.25
3 12000.0 4.32 0.25
3 16000.0 4.32 0.75
3 20000.0 4.32 0.0
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These EQ is designed for a 31 bands graphical EQ.

Fulcrum Acoustic RX599: comparison between EQs
Fulcrum Acoustic RX599

Comparison betweens various EQs

Fulcrum Acoustic RX599

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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