What we know about the measurement:

M-Audio BX8 D3 is an active bookshelves that cost around 129 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 48.3Hz (resp. 43.9Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) 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 5.15 and would be 7.16 with a perfect subwoofer.
      • Details: NBD: ON 0.485, LW 0.423, SP 0.456, PIR 0.422; SM: SP0.903, PIR0.843; LFQ 0.657, LFX 42Hz
    • Tonality (Preference) Score is 6.17 with an EQ and would be 8.04 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.352, LW 0.307, SP 0.339, PIR 0.283; SM: SP0.951, PIR0.901; LFQ 0.657, LFX 39Hz
  • Link to original Review: asr review. .
M-Audio BX8 D3
AutomaticEQ (IIR)
Set preamp gain to: -3.2dB.
Type Freq Q Gain
5 66.0 0.76 2.98
3 66.0 2.8 -2.9
3 117.0 1.49 -1.39
3 668.0 2.97 -2.03
3 1491.0 2.95 2.43
3 2302.0 1.73 2.9
3 2909.0 2.68 -1.27
3 7173.0 2.77 1.23
3 13092.0 1.2 2.95
Download

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

M-Audio BX8 D3 filters_auto_eq

AutomaticEQ

M-Audio BX8 D3 filters_eq_full

Target v.s. EQ

M-Audio BX8 D3
amirm@ASR (IIR)
Set preamp gain to: -0.0dB.
Type Freq Q Gain
3 630.0 4.0 -3.5
3 3030.0 2.0 -2.0
3 9100.0 4.0 -2.0
Download

M-Audio BX8 D3
maiky76@ASR LW (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
3 64.51 3.27 -1.53
3 117.71 1.55 -1.47
3 645.12 4.13 -3.11
3 922.0 2.14 -1.55
3 1799.79 0.82 2.5
3 2979.36 4.75 -1.86
3 12256.79 0.55 2.94
3 9514.76 4.14 -1.8
Download

These EQ is designed by ASR member maiky76. These EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

M-Audio BX8 D3
maiky76@ASR (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
3 63.5 4.13 -1.48
3 117.21 1.21 -1.51
3 625.78 4.98 -2.9
3 932.0 1.81 -2.0
3 1665.6 1.14 2.96
3 2929.12 5.0 -1.46
3 12251.29 0.71 2.18
3 9511.76 3.17 -1.65
Download

These EQ is designed by ASR member maiky76. These EQ optimise the Harman score and is a good start for far field listening like in your living room.

M-Audio BX8 D3
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 -0.25
3 100.0 2.14 -0.25
3 160.0 2.14 -0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 -0.5
3 1000.0 2.14 0.0
3 1600.0 2.14 0.5
3 2500.0 2.14 0.25
3 4000.0 2.14 0.0
3 6300.0 2.14 0.0
3 10000.0 2.14 0.0
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

M-Audio BX8 D3
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.0
3 63.0 4.32 -0.25
3 80.0 4.32 -0.25
3 100.0 4.32 -0.25
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 -0.25
3 250.0 4.32 0.0
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 -0.5
3 800.0 4.32 -0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 0.25
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 0.0
3 4000.0 4.32 0.0
3 5000.0 4.32 0.0
3 6300.0 4.32 0.0
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 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

M-Audio BX8 D3: comparison between EQs
M-Audio BX8 D3

Comparison betweens various EQs

M-Audio BX8 D3

Improvements made by 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
;