What we know about the measurement:

Fluance HFS Signature is a passive bookshelves that cost around 170 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 87.1dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 77.6Hz (resp. 58.6Hz).
  • Reference level is normalised to -0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 8.2dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.28 and would be 5.89 with a perfect subwoofer.
      • Details: NBD: ON 0.645, LW 0.569, SP 0.605, PIR 0.548; SM: SP0.802, PIR0.63; LFQ 0.764, LFX 58Hz
    • Tonality (Preference) Score is 5.13 with an EQ and would be 7.5 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.525, LW 0.434, SP 0.404, PIR 0.319; SM: SP0.912, PIR0.896; LFQ 0.764, LFX 51Hz
  • Link to Original review.
Fluance HFS Signature
AutomaticEQ (IIR)
Set preamp gain to: -4.7dB.
Type Freq Q Gain
5 77.0 0.46 2.95
3 77.0 1.13 2.85
3 245.0 0.39 -1.59
3 1180.0 2.93 -2.96
3 2014.0 0.88 2.95
3 2909.0 2.94 2.91
3 4803.0 2.0 -1.25
3 10020.0 2.9 -2.18
3 11077.0 0.64 1.13
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Fluance HFS Signature filters_auto_eq

AutomaticEQ

Fluance HFS Signature filters_eq_full

Target v.s. EQ

Fluance HFS Signature
flipflop@ASR (IIR)
Set preamp gain to: -5.3dB.
Type Freq Q Gain
3 470.0 5.0 -0.5
3 770.0 5.0 -0.7
3 858.0 10.0 -0.8
3 970.0 17.0 1.6
3 1036.0 20.0 -1.5
3 1162.0 5.0 -3.7
3 1440.0 16.0 1.6
3 1544.0 16.0 -1.3
3 1590.0 5.0 -1.6
3 1910.0 20.0 -1.0
3 2222.0 5.0 -2.7
3 2235.0 1.0 4.8
3 2813.0 5.0 -1.0
3 2870.0 5.0 1.2
3 3385.0 1.001 2.4
3 3534.0 5.0 -2.4
3 3670.0 18.0 -0.8
3 8152.0 5.0 3.1
3 9278.0 5.0 -1.9
3 10174.0 5.0 -0.9
Download

These EQ is designed by ASR member flipflop.

Fluance HFS Signature
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 0.25
3 160.0 2.14 -0.25
3 250.0 2.14 -0.25
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 0.5
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 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Fluance HFS Signature
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 0.25
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 -0.25
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 0.0
3 1250.0 4.32 -0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.5
3 2500.0 4.32 0.5
3 3150.0 4.32 0.5
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 0.0
3 8000.0 4.32 0.0
3 10000.0 4.32 -0.25
3 12000.0 4.32 0.0
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Fluance HFS Signature: comparison between EQs
Fluance HFS Signature

Comparison betweens various EQs

Fluance HFS Signature

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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