Elac Vela BS 403 is a passive bookshelves that cost around 1150 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity:
    • Company: 86 dB
    • Measured: 84.3 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 52.7Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.27 and would be 6.6 with a perfect subwoofer.
      • Details: NBD: ON 0.561, LW 0.493, SP 0.539, PIR 0.494; SM: SP0.875, PIR0.776; LFQ 0.425, LFX 50Hz
    • Tonality (Preference) Score is 5.86 with an EQ and would be 8.0 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.334, LW 0.305, SP 0.363, PIR 0.312; SM: SP0.943, PIR0.897; LFQ 0.504, LFX 45Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
Elac Vela BS 403

Vendor specifications

  • Impedance 4 Ohm
  • Size
    • Width 191mm
    • Height 362mm
    • Depth 240mm
  • Weight 7.1kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
PK 47.0 2.72 2.52
PK 579.0 2.97 -1.64
PK 2324.0 2.77 3.0
PK 3068.0 3.0 -3.38
PK 7059.0 1.53 -1.67
PK 8110.0 2.88 1.9
PK 13652.0 0.93 -0.16
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
AutomaticEQ LW (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 58.0 2.97 2.98
PK 92.0 0.92 -1.11
PK 260.0 1.01 1.41
PK 439.0 0.4 -1.36
PK 2324.0 3.0 3.0
PK 8397.0 2.99 1.06
PK 16239.0 1.33 0.97
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Quick config:
Quick config:
Quick config:
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