What we know about the measurement:

Focal Alpha 65 Evo is an active bookshelves 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 .
  • -3dB (resp. -6db) point v.s. reference is at 42.5Hz (resp. 39.6Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.7dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.03 and would be 5.91 with a perfect subwoofer.
      • Details: NBD: ON 0.51, LW 0.452, SP 0.483, PIR 0.409; SM: SP0.642, PIR0.312; LFQ 0.883, LFX 39Hz
    • Tonality (Preference) Score is 5.98 with an EQ and would be 7.71 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.461, LW 0.412, SP 0.392, PIR 0.319; SM: SP0.936, PIR0.921; LFQ 0.883, LFX 36Hz
  • Link to original Review: asr review. Links to other reviews: sar review .
Focal Alpha 65 Evo
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
3 34.0 2.97 3.0
3 1480.0 2.96 1.81
3 2964.0 1.74 -1.25
3 4342.0 2.97 -2.17
3 6361.0 2.0 -2.61
3 9001.0 2.0 -1.2
3 14134.0 2.83 -5.74
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Focal Alpha 65 Evo filters_auto_eq

AutomaticEQ

Focal Alpha 65 Evo filters_eq_full

Target v.s. EQ

Focal Alpha 65 Evo
Graphic EQ 15 bands
Set preamp gain to: -0.2dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
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 -0.25
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 0.0
3 2500.0 2.14 -0.5
3 4000.0 2.14 -0.75
3 6300.0 2.14 -0.75
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.

Focal Alpha 65 Evo
Graphic EQ 31 bands
Set preamp gain to: -0.0dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 -0.25
3 125.0 4.32 -0.25
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 0.0
3 630.0 4.32 0.0
3 800.0 4.32 -0.25
3 1000.0 4.32 -0.25
3 1250.0 4.32 0.0
3 1600.0 4.32 0.0
3 2000.0 4.32 -0.25
3 2500.0 4.32 -0.5
3 3150.0 4.32 -0.5
3 4000.0 4.32 -0.75
3 5000.0 4.32 -0.75
3 6300.0 4.32 -0.75
3 8000.0 4.32 -0.75
3 10000.0 4.32 -0.5
3 12000.0 4.32 -0.75
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.

Focal Alpha 65 Evo: comparison between EQs
Focal Alpha 65 Evo

Comparison betweens various EQs

Focal Alpha 65 Evo

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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