What we know about the measurement:

Part Express DIY Samba MT is a passive bookshelves that cost around 330 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 45.4Hz (resp. 39.6Hz).
  • Reference level is normalised to -0.8dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.64 and would be 6.44 with a perfect subwoofer.
      • Details: NBD: ON 0.706, LW 0.545, SP 0.415, PIR 0.413; SM: SP0.906, PIR0.759; LFQ 0.704, LFX 38Hz
    • Tonality (Preference) Score is 6.41 with an EQ and would be 7.9 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.516, LW 0.351, SP 0.272, PIR 0.219; SM: SP0.943, PIR0.933; LFQ 0.799, LFX 32Hz
  • Link to Original review.
Part Express DIY Samba MT
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
LS 68.0 1.03 2.97
PK 89.0 1.51 -2.97
PK 109.0 1.1 -0.95
PK 584.0 2.75 1.02
PK 714.0 2.8 -2.04
PK 1261.0 2.07 -2.48
PK 1541.0 2.89 2.84
PK 3216.0 2.19 1.92
PK 7417.0 1.11 -1.82
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Part Express DIY Samba MT
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 -0.25
PK 100.0 2.14 -0.25
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 0.0
PK 630.0 2.14 0.0
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.25
PK 4000.0 2.14 0.25
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
Part Express DIY Samba MT
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.25
PK 63.0 4.32 -0.25
PK 80.0 4.32 -0.5
PK 100.0 4.32 -0.5
PK 125.0 4.32 -0.25
PK 160.0 4.32 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 -0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
PK 630.0 4.32 -0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.5
PK 2000.0 4.32 0.0
PK 2500.0 4.32 0.25
PK 3150.0 4.32 0.5
PK 4000.0 4.32 0.25
PK 5000.0 4.32 0.0
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.0
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
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)
Part Express DIY Samba MT: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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