What we know about the measurement:

MTG Designs VBS-10.2 DIY is a passive bookshelves that cost around 300 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 .
  • Sensitivity: 89.7dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 82.3Hz (resp. 67.3Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.7dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) 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 5.12 and would be 7.97 with a perfect subwoofer.
      • Details: NBD: ON 0.279, LW 0.261, SP 0.388, PIR 0.351; SM: SP0.909, PIR0.877; LFQ 1.578, LFX 66Hz
    • Tonality (Preference) Score is 6.22 with an EQ and would be 8.63 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.189, LW 0.17, SP 0.291, PIR 0.243; SM: SP0.936, PIR0.927; LFQ 1.578, LFX 52Hz
  • Link to Original review.
MTG Designs VBS-10.2 DIY
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
3 54.0 0.69 2.99
3 125.0 1.8 -1.77
3 579.0 2.56 1.98
3 600.0 1.66 -1.5
3 4654.0 2.98 -1.66
3 7566.0 2.98 -1.32
3 10341.0 2.72 -1.65
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

MTG Designs VBS-10.2 DIY filters_auto_eq

AutomaticEQ

MTG Designs VBS-10.2 DIY filters_eq_full

Target v.s. EQ

MTG Designs VBS-10.2 DIY
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 0.75
3 100.0 2.14 0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.25
3 1000.0 2.14 0.25
3 1600.0 2.14 0.5
3 2500.0 2.14 0.25
3 4000.0 2.14 0.25
3 6300.0 2.14 0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

MTG Designs VBS-10.2 DIY
Graphic EQ 31 bands
Set preamp gain to: -1.2dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.75
3 31.0 4.32 0.75
3 40.0 4.32 0.75
3 50.0 4.32 0.75
3 63.0 4.32 0.75
3 80.0 4.32 0.75
3 100.0 4.32 0.25
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.25
3 630.0 4.32 0.25
3 800.0 4.32 0.0
3 1000.0 4.32 0.25
3 1250.0 4.32 0.5
3 1600.0 4.32 0.5
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.5
3 4000.0 4.32 0.25
3 5000.0 4.32 0.0
3 6300.0 4.32 0.25
3 8000.0 4.32 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 0.25
3 16000.0 4.32 -0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

MTG Designs VBS-10.2 DIY: comparison between EQs
MTG Designs VBS-10.2 DIY

Comparison betweens various EQs

MTG Designs VBS-10.2 DIY

Improvements made by EQ
CEA2034
On Axis
Early Reflections
Estimated In-Room Response
Horizontal Reflections
Vertical Reflections
SPL Horizontal
SPL Vertical
SPL Horizontal Normalized
SPL Vertical Normalized
SPL Horizontal Contour
SPL Vertical Contour
SPL Horizontal Contour Normalized
SPL Vertical Contour Normalized
SPL Horizontal Contour 3D
SPL Vertical Contour 3D
SPL Horizontal Contour Normalized 3D
SPL Vertical Contour Normalized 3D
SPL Horizontal Radar
SPL Vertical Radar
CEA2034
On Axis
Early Reflections
Estimated In-Room Response
Horizontal Reflections
Vertical Reflections
SPL Horizontal
SPL Vertical
SPL Horizontal Normalized
SPL Vertical Normalized
SPL Horizontal Contour
SPL Vertical Contour
SPL Horizontal Contour Normalized
SPL Vertical Contour Normalized
SPL Horizontal Contour 3D
SPL Vertical Contour 3D
SPL Horizontal Contour Normalized 3D
SPL Vertical Contour Normalized 3D
SPL Horizontal Radar
SPL Vertical Radar
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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