What we know about the measurement:

Bowers & Wilkins 805S is a passive bookshelves that cost around 2500 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 46.9Hz (resp. 41.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.39 and would be 6.34 with a perfect subwoofer.
      • Details: NBD: ON 0.599, LW 0.547, SP 0.412, PIR 0.423; SM: SP0.814, PIR0.611; LFQ 0.833, LFX 41Hz
    • Tonality (Preference) Score is 6.24 with an EQ and would be 7.98 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.42, LW 0.369, SP 0.314, PIR 0.264; SM: SP0.965, PIR0.92; LFQ 0.833, LFX 36Hz
  • Link to Original review.
Bowers & Wilkins 805S
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
PK 36.0 0.6 2.43
PK 190.0 0.52 -1.95
PK 356.0 2.94 0.79
PK 792.0 1.28 -2.28
PK 1046.0 3.0 3.0
PK 2670.0 1.89 3.0
PK 10341.0 0.69 -2.54
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Bowers & Wilkins 805S
flipflop@ASR (IIR)
Set preamp gain to: -5.5dB.
Type Freq Q Gain
PK 415.0 5.0 0.4
PK 716.0 2.668 -1.4
PK 854.0 5.0 -1.4
PK 1089.0 5.0 5.2
PK 1218.0 5.0 -3.0
PK 1422.0 10.0 0.7
PK 1544.0 12.0 -1.2
PK 1615.0 2.988 -2.6
PK 1695.0 10.0 0.8
PK 1758.0 1.0 3.1
PK 1875.0 18.0 -0.7
PK 2217.0 15.0 -1.4
PK 2412.0 13.0 1.7
PK 2590.0 18.0 -1.1
PK 2631.0 1.012 -6.5
PK 2931.0 1.092 11.6
PK 3608.0 2.691 -4.8
PK 10315.0 1.0 -1.9
PK 10820.0 9.0 0.6
PK 15540.0 4.0 -0.4
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This EQ is designed by ASR member flipflop.
Bowers & Wilkins 805S
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 -0.25
PK 1000.0 2.14 0.5
PK 1600.0 2.14 0.25
PK 2500.0 2.14 1.0
PK 4000.0 2.14 0.25
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.25
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This EQ is designed for a 15 bands graphical EQ.
Bowers & Wilkins 805S
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.25
PK 63.0 4.32 0.0
PK 80.0 4.32 0.0
PK 100.0 4.32 0.0
PK 125.0 4.32 -0.25
PK 160.0 4.32 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 -0.25
PK 315.0 4.32 -0.25
PK 400.0 4.32 0.0
PK 500.0 4.32 -0.25
PK 630.0 4.32 -0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 0.25
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.5
PK 3150.0 4.32 0.25
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 0.0
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 -0.25
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
Bowers & Wilkins 805S: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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