What we know about the measurement:

Rauna Freja is a passive bookshelves

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • Sensitivity: 87.0dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 118.1Hz (resp. 93.8Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.65 and would be 7.14 with a perfect subwoofer.
      • Details: NBD: ON 0.379, LW 0.348, SP 0.355, PIR 0.335; SM: SP0.785, PIR0.608; LFQ 1.431, LFX 93Hz
    • Tonality (Preference) Score is 5.71 with an EQ and would be 8.4 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.286, LW 0.254, SP 0.298, PIR 0.241; SM: SP0.95, PIR0.927; LFQ 1.196, LFX 60Hz
  • Link to original Review: asr review. .
  • Vendor specifications:
    • Sensitivity 88 dB
    • Impedance 7 Ohm
    • Size
      • Width 280mm
      • Height 805mm
      • Depth 320mm
    • Weight 33.0kg
Rauna Freja
AutomaticEQ (IIR)
Set preamp gain to: -5.2dB.
Type Freq Q Gain
PK 72.0 0.91 2.99
PK 121.0 0.4 2.99
PK 130.0 2.99 -1.5
PK 190.0 1.48 -2.41
PK 1954.0 2.45 1.23
PK 2964.0 0.56 -2.07
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Rauna Freja filters_auto_eq

AutomaticEQ

Rauna Freja filters_eq_full

Target v.s. EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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