What we know about the measurement:

Bowers & Wilkins Formation Flex is an active bookshelves that cost around 500 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 .
  • -3dB (resp. -6db) point v.s. reference is at 94.8Hz (resp. 62.6Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.08 and would be 5.82 with a perfect subwoofer.
      • Details: NBD: ON 0.567, LW 0.506, SP 0.394, PIR 0.43; SM: SP0.753, PIR0.363; LFQ 0.383, LFX 62Hz
    • Tonality (Preference) Score is 5.71 with an EQ and would be 8.07 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.388, LW 0.343, SP 0.336, PIR 0.272; SM: SP0.956, PIR0.933; LFQ 0.383, LFX 50Hz
  • Link to Original review.
Bowers & Wilkins Formation Flex
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
3 52.0 0.64 2.79
3 621.0 2.35 -1.33
3 2094.0 2.96 2.99
3 3525.0 2.13 -1.1
3 6361.0 1.21 -3.27
3 8397.0 1.89 2.73
3 12301.0 1.24 -3.88
Download

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

Bowers & Wilkins Formation Flex filters_auto_eq

AutomaticEQ

Bowers & Wilkins Formation Flex filters_eq_full

Target v.s. EQ

Bowers & Wilkins Formation Flex
maiky76@ASR LW (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
1 56.46 1.35 0.0
3 118.83 1.64 -1.26
3 625.5 1.42 -1.82
3 1298.24 4.89 -1.2
3 2102.22 3.93 3.24
3 3860.8 1.62 -2.46
3 6314.2 3.59 -2.66
3 13434.58 4.27 -2.85
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.

Bowers & Wilkins Formation Flex
maiky76@ASR (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
1 56.46 1.35 0.0
3 119.91 1.54 -1.26
3 608.5 1.26 -2.14
3 1299.74 4.95 -1.94
3 2060.46 3.62 3.02
3 3821.26 1.24 -2.89
3 6313.2 2.54 -2.88
3 12877.1 2.82 -4.27
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.

Bowers & Wilkins Formation Flex
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 0.25
3 250.0 2.14 0.25
3 400.0 2.14 0.0
3 630.0 2.14 -0.5
3 1000.0 2.14 -0.25
3 1600.0 2.14 0.0
3 2500.0 2.14 0.0
3 4000.0 2.14 -0.75
3 6300.0 2.14 -1.0
3 10000.0 2.14 -0.25
3 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Bowers & Wilkins Formation Flex
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 0.25
3 100.0 4.32 0.25
3 125.0 4.32 0.25
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 -0.25
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 0.0
3 2000.0 4.32 0.25
3 2500.0 4.32 0.0
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.5
3 6300.0 4.32 -0.5
3 8000.0 4.32 -0.25
3 10000.0 4.32 -0.5
3 12000.0 4.32 -0.75
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.

Bowers & Wilkins Formation Flex: comparison between EQs
Bowers & Wilkins Formation Flex

Comparison betweens various EQs

Bowers & Wilkins Formation Flex

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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