What we know about the measurement:

Barefoot Footprint 02 is an active bookshelves that cost around 3000 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • -3dB (resp. -6db) point v.s. reference is at 63.5Hz (resp. 50.4Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.6dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.6 and would be 7.88 with a perfect subwoofer.
      • Details: NBD: ON 0.253, LW 0.225, SP 0.283, PIR 0.236; SM: SP0.772, PIR0.664; LFQ 1.439, LFX 48Hz
    • Tonality (Preference) Score is 7.05 with an EQ and would be 8.95 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.16, LW 0.123, SP 0.229, PIR 0.155; SM: SP0.915, PIR0.921; LFQ 1.177, LFX 39Hz
  • Link to original Review: akr review. .
  • Note: Data is valid above 500Hz. The On-Axis is correct below that.
  • Vendor specifications:
    • Size
      • Width 222mm
      • Height 308mm
      • Depth 330mm
    • Weight 12.7kg
Barefoot Footprint 02
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
PK 65.0 0.3 2.88
PK 279.0 1.88 0.87
PK 714.0 2.9 -0.78
PK 1642.0 2.21 -2.63
PK 1954.0 2.2 2.64
PK 2406.0 1.95 -0.99
PK 7059.0 0.92 -1.13
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
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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