What we know about the measurement:

Bowers & Wilkins CWM7.3 S2 is a passive inwall that cost around 2100 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 63.0Hz (resp. 54.2Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for inwall speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is 2.98 and would be 5.77 with a perfect subwoofer.
      • Details: NBD: ON 0.749, LW 0.592, SP 0.386, PIR 0.437; SM: SP0.815, PIR0.545; LFQ 2.999, LFX 64Hz
    • Tonality (Preference) Score is 5.66 with an EQ and would be 8.03 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.471, LW 0.324, SP 0.278, PIR 0.208; SM: SP0.847, PIR0.923; LFQ 2.999, LFX 51Hz
  • Link to Original review.
Bowers & Wilkins CWM7.3 S2
AutomaticEQ (IIR)
Set preamp gain to: -3.8dB.
Type Freq Q Gain
PK 42.0 1.3 3.0
PK 65.0 0.67 2.99
PK 117.0 1.03 -8.99
PK 1480.0 1.63 -2.02
PK 2862.0 1.66 3.0
PK 6818.0 1.37 -3.74
PK 12301.0 1.12 -3.3
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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 CWM7.3 S2
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 0.25
PK 100.0 2.14 -0.75
PK 160.0 2.14 -0.75
PK 250.0 2.14 -0.25
PK 400.0 2.14 -0.25
PK 630.0 2.14 -0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.0
PK 2500.0 2.14 0.75
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 0.0
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This EQ is designed for a 15 bands graphical EQ.
Bowers & Wilkins CWM7.3 S2
Graphic EQ 31 bands
Set preamp gain to: -0.9dB.
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 0.25
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.75
PK 125.0 4.32 -1.0
PK 160.0 4.32 -0.75
PK 200.0 4.32 -0.5
PK 250.0 4.32 -0.25
PK 315.0 4.32 -0.25
PK 400.0 4.32 -0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 0.0
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.0
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 0.75
PK 3150.0 4.32 0.75
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 -0.25
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 0.0
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 CWM7.3 S2: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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