What we know about the measurement:

Focal Chora 816 is a passive floorstanders that cost around 900 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 90.9dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 58.6Hz (resp. 45.4Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.76 and would be 5.84 with a perfect subwoofer.
      • Details: NBD: ON 0.594, LW 0.454, SP 0.427, PIR 0.405; SM: SP0.613, PIR0.366; LFQ 1.124, LFX 43Hz
    • Tonality (Preference) Score is 5.9 with an EQ and would be 7.56 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.556, LW 0.389, SP 0.365, PIR 0.298; SM: SP0.937, PIR0.929; LFQ 1.124, LFX 35Hz
  • Link to original Review: asr review. .
Focal Chora 816
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
3 36.0 0.83 3.0
3 600.0 0.48 1.2
3 666.0 2.98 -2.79
3 1586.0 1.78 -0.95
3 3068.0 3.0 1.87
3 7566.0 0.9 -3.72
3 11882.0 1.42 -0.79
Download

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

Focal Chora 816 filters_auto_eq

AutomaticEQ

Focal Chora 816 filters_eq_full

Target v.s. EQ

Focal Chora 816
maiky76@ASR LW (IIR)
Set preamp gain to: -2.0dB.
Type Freq Q Gain
1 50.25 1.24 0.0
3 91.59 1.57 -1.87
3 659.24 6.92 -2.4
3 1695.21 2.83 -0.96
3 3422.33 1.41 1.92
3 7503.62 2.0 -1.92
Download

These EQ is designed by ASR member maiky76. These EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

Focal Chora 816
maiky76@ASR (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
1 51.1 1.33 0.0
3 93.69 1.09 -1.97
3 669.4 5.43 -2.4
3 1780.97 4.24 -1.26
3 3168.17 2.0 1.8
3 7960.21 1.37 -2.86
Download

These EQ is designed by ASR member maiky76. These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Focal Chora 816
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 0.0
3 160.0 2.14 0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 -0.25
3 1000.0 2.14 0.0
3 1600.0 2.14 0.0
3 2500.0 2.14 0.0
3 4000.0 2.14 0.0
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.5
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Focal Chora 816
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
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 0.0
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.0
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 -0.25
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 0.0
3 2500.0 4.32 0.0
3 3150.0 4.32 0.0
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.5
3 8000.0 4.32 -0.75
3 10000.0 4.32 -0.5
3 12000.0 4.32 -0.5
3 16000.0 4.32 -0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Focal Chora 816: comparison between EQs
Focal Chora 816

Comparison betweens various EQs

Focal Chora 816

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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