What we know about the measurement:

Revel W228Be is a passive inwall that cost around 3500 USD each.

  • Quality of the measurement data is medium.
  • Origin of the data is Revel.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 43.4Hz (resp. 34.3Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.3dB 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 6.89 and would be 8.42 with a perfect subwoofer.
      • Details: NBD: ON 0.287, LW 0.266, SP 0.298, PIR 0.248; SM: SP0.941, PIR0.947; LFQ 0.54, LFX 32Hz
    • Tonality (Preference) Score is 6.99 with an EQ and would be 8.45 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.242, LW 0.171, SP 0.263, PIR 0.208; SM: SP0.861, PIR0.861; LFQ 0.54, LFX 31Hz
  • Link to original Review: asr review. Links to other reviews: avs review .
  • Vendor specifications:
    • Sensitivity 90 dB
    • Impedance 4 Ohm
    • SPL
      • peak: 115 dB
    • Size
      • Width 352.9mm
      • Height 938.6mm
      • Depth 104.5mm
    • Weight 14.3kg
Revel W228Be
AutomaticEQ LW (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 41.0 2.99 2.27
PK 211.0 1.14 -2.15
PK 2245.0 2.39 -1.24
PK 9989.0 0.75 1.66
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
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)
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