What we know about the measurement:

Yamaha VXS3F is a passive bookshelves that cost around 284 USD for a pair.

  • Quality of the measurement data is medium.
  • Origin of the data is Yamaha.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 218.0Hz (resp. 175.0Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is -0.17 and would be 4.43 with a perfect subwoofer.
      • Details: NBD: ON 0.656, LW 0.653, SP 0.695, PIR 0.627; SM: SP0.056, PIR0.114; LFQ 0.058, LFX 170Hz
    • Tonality (Preference) Score is 1.94 with an EQ and would be 6.07 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.38, LW 0.377, SP 0.583, PIR 0.449; SM: SP0.557, PIR0.295; LFQ 0.062, LFX 132Hz
  • Vendor specifications:
    • Dispersion: 75° horizontal and 80° vertical.
    • Sensitivity 86 dB
    • Impedance 8 Ohm
    • SPL
      • peak: 105 dB
    • Size
      • Width 184mm
      • Height 130mm
      • Depth 94mm
    • Weight 1.0kg
Yamaha VXS3F
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 109.0 0.77 3.0
PK 560.0 1.31 1.68
PK 1429.0 2.2 0.72
PK 2324.0 2.27 -3.66
PK 4194.0 1.36 -2.73
PK 9001.0 2.87 -5.29
PK 15685.0 0.57 -5.03
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)
;