AsciLab A6B Passive is a passive bookshelves that cost around 2900 USD for a pair.

  • 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 41.0Hz (resp. 38.1Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.58 and would be 8.32 with a perfect subwoofer.
      • Details: NBD: ON 0.307, LW 0.296, SP 0.251, PIR 0.247; SM: SP0.949, PIR0.924; LFQ 0.757, LFX 36Hz
    • Tonality (Preference) Score is 6.79 with an EQ and would be 8.37 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.303, LW 0.293, SP 0.278, PIR 0.26; SM: SP0.966, PIR0.959; LFQ 0.68, LFX 33Hz
  • Link to original Review: asr review. Links to other reviews: asr2 review .
AsciLab A6B Passive

Vendor specifications

  • Size
    • Width 220mm
    • Height 400mm
    • Depth 260mm
  • Weight 13.0kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -3.6dB.
Type Freq Q Gain
PK 28.0 2.31 2.88
PK 38.0 2.19 1.79
PK 190.0 0.97 0.93
PK 666.0 2.82 0.66
PK 8110.0 0.49 -1.27
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: -3.8dB.
Type Freq Q Gain
PK 32.0 2.96 2.85
PK 38.0 1.44 1.22
PK 139.0 2.72 0.51
PK 211.0 2.01 0.84
PK 600.0 1.96 0.56
PK 976.0 2.84 -0.98
PK 1121.0 2.99 0.93
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:
;