What we know about the measurement:

Triangle Borea BR03 is a passive bookshelves that cost around 500 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 58.2Hz (resp. 50.9Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.42 and would be 5.77 with a perfect subwoofer.
      • Details: NBD: ON 0.593, LW 0.55, SP 0.424, PIR 0.442; SM: SP0.803, PIR0.384; LFQ 0.984, LFX 50Hz
    • Tonality (Preference) Score is 5.96 with an EQ and would be 8.05 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.384, LW 0.351, SP 0.323, PIR 0.286; SM: SP0.949, PIR0.94; LFQ 0.856, LFX 44Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Vendor specifications:
    • Sensitivity 90 dB
    • Impedance 4.2 Ohm
    • Size
      • Width 206mm
      • Height 380mm
      • Depth 314mm
    • Weight 6.26kg
Triangle Borea BR03
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 42.0 1.22 2.99
PK 95.0 1.69 -1.82
PK 739.0 0.53 3.0
PK 765.0 2.03 -4.51
PK 2245.0 1.07 -2.96
PK 2862.0 2.99 2.98
PK 11476.0 0.88 -4.53
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Triangle Borea BR03
AutomaticEQ LW (IIR)
Set preamp gain to: -2.4dB.
Type Freq Q Gain
PK 56.0 2.89 3.0
PK 92.0 1.31 -1.77
PK 424.0 0.75 1.8
PK 765.0 2.08 -2.69
PK 1202.0 2.99 2.5
PK 1700.0 1.91 -1.42
PK 11476.0 1.46 -3.68
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Triangle Borea BR03
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.25
PK 100.0 2.14 -0.25
PK 160.0 2.14 -0.25
PK 250.0 2.14 0.0
PK 400.0 2.14 0.0
PK 630.0 2.14 -0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.0
PK 2500.0 2.14 0.0
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 -0.25
Download
This EQ is designed for a 15 bands graphical EQ.
Triangle Borea BR03
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 0.5
PK 63.0 4.32 0.25
PK 80.0 4.32 0.0
PK 100.0 4.32 -0.25
PK 125.0 4.32 -0.25
PK 160.0 4.32 -0.25
PK 200.0 4.32 0.0
PK 250.0 4.32 0.0
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 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.0
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 -0.5
PK 10000.0 4.32 -0.5
PK 12000.0 4.32 -0.5
PK 16000.0 4.32 -0.25
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)
Triangle Borea BR03: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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