What we know about the measurement:

Yamaha VXL1-8 is a passive columns that cost around 500 USD each.

  • Quality of the measurement data is medium.
  • Origin of the data is Yamaha.
  • Format of the data is a GLL file .
  • Sensitivity: 99.6dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 79.6dB.
  • -3dB (resp. -6db) point v.s. reference is at 22.4Hz (resp. 206.0Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is -0.52 and would be 4.34 with a perfect subwoofer.
      • Details: NBD: ON 0.709, LW 0.686, SP 0.612, PIR 0.594; SM: SP0.285, PIR0.089; LFQ 10.0, LFX 194Hz
    • Tonality (Preference) Score is 4.96 with an EQ and would be 7.88 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.28, LW 0.272, SP 0.46, PIR 0.309; SM: SP0.868, PIR0.786; LFQ 0.407, LFX 68Hz
  • Vendor specifications:
    • Dispersion: 170° horizontal and 40° vertical.
    • Sensitivity 89 dB
    • Impedance 8 Ohm
    • SPL
      • peak: 111 dB
    • Size
      • Width 54mm
      • Height 480mm
      • Depth 104 mm)
    • Weight 2.1 kg
Yamaha VXL1-8
AutomaticEQ (IIR)
Set preamp gain to: -6.0dB.
Type Freq Q Gain
3 46.0 0.25 3.0
3 54.0 0.25 3.0
3 487.0 1.08 -3.8
3 1161.0 2.67 -4.35
3 2168.0 2.69 -5.28
3 3289.0 1.08 -4.29
3 8397.0 0.78 2.73
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Yamaha VXL1-8 filters_auto_eq

AutomaticEQ

Yamaha VXL1-8 filters_eq_full

Target v.s. EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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