What we know about the measurement:

Rogers LS3|5A is a passive bookshelves that cost around 3500 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 90.8Hz (resp. 74.7Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.68 and would be 4.75 with a perfect subwoofer.
      • Details: NBD: ON 0.582, LW 0.521, SP 0.521, PIR 0.493; SM: SP0.28, PIR0.0; LFQ 0.736, LFX 74Hz
    • Tonality (Preference) Score is 5.68 with an EQ and would be 8.29 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.364, LW 0.292, SP 0.292, PIR 0.232; SM: SP0.953, PIR0.954; LFQ 0.627, LFX 58Hz
  • Link to original Review: asr review. Links to other reviews: bbc review , msc review , str review , tas review .
  • Vendor specifications:
    • Sensitivity 82.5 dB
    • Impedance 15 Ohm
    • Size
      • Width 190mm
      • Height 305mm
      • Depth 165mm
    • Weight 4.9kg
Rogers LS3|5A
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 95.0 0.27 2.99
PK 149.0 1.16 -4.93
PK 910.0 0.3 3.0
PK 1121.0 2.47 -5.76
PK 1887.0 2.24 -2.82
PK 5732.0 0.49 -4.16
PK 16239.0 1.22 -1.83
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Rogers LS3|5A
AutomaticEQ LW (IIR)
Set preamp gain to: -3.3dB.
Type Freq Q Gain
PK 155.0 2.99 -1.53
PK 344.0 1.48 2.81
PK 792.0 1.03 3.0
PK 1083.0 2.47 -5.4
PK 2168.0 1.22 -2.02
PK 5165.0 3.0 -3.9
PK 11476.0 1.83 -3.06
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
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)
Rogers LS3|5A: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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