What we know about the measurement:

Arendal Sound 1961 Bookshelf is a passive bookshelves that cost around 700 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 .
  • Sensitivity: 83.5dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 108.4Hz (resp. 74.7Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.5dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.28 and would be 7.28 with a perfect subwoofer.
      • Details: NBD: ON 0.465, LW 0.407, SP 0.397, PIR 0.369; SM: SP0.909, PIR0.803; LFQ 0.661, LFX 71Hz
    • Tonality (Preference) Score is 6.01 with an EQ and would be 8.38 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.313, LW 0.25, SP 0.291, PIR 0.239; SM: SP0.968, PIR0.946; LFQ 0.577, LFX 51Hz
  • Link to original Review: eac review. .
Arendal Sound 1961 Bookshelf
AutomaticEQ (IIR)
Set preamp gain to: -4.3dB.
Type Freq Q Gain
5 108.0 0.66 3.0
3 844.0 2.45 1.72
3 1032.0 0.28 -2.05
3 1491.0 2.83 2.39
3 2226.0 1.3 -0.33
3 2909.0 2.93 2.17
3 3438.0 2.42 -2.65
3 9372.0 2.59 -2.72
5 14473.0 0.73 1.32
Download

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

Arendal Sound 1961 Bookshelf filters_auto_eq

AutomaticEQ

Arendal Sound 1961 Bookshelf filters_eq_full

Target v.s. EQ

Arendal Sound 1961 Bookshelf
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 0.5
3 160.0 2.14 0.0
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.25
3 1600.0 2.14 0.5
3 2500.0 2.14 0.25
3 4000.0 2.14 0.0
3 6300.0 2.14 0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Arendal Sound 1961 Bookshelf
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 0.5
3 100.0 4.32 0.5
3 125.0 4.32 0.25
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.25
3 1000.0 4.32 0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.5
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.0
3 4000.0 4.32 0.0
3 5000.0 4.32 0.0
3 6300.0 4.32 0.25
3 8000.0 4.32 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 0.25
3 16000.0 4.32 0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Arendal Sound 1961 Bookshelf: comparison between EQs
Arendal Sound 1961 Bookshelf

Comparison betweens various EQs

Arendal Sound 1961 Bookshelf

Improvements made by EQ
CEA2034
On Axis
Early Reflections
Estimated In-Room Response
Horizontal Reflections
Vertical Reflections
SPL Horizontal
SPL Vertical
SPL Horizontal Normalized
SPL Vertical Normalized
SPL Horizontal Contour
SPL Vertical Contour
SPL Horizontal Contour Normalized
SPL Vertical Contour Normalized
SPL Horizontal Contour 3D
SPL Vertical Contour 3D
SPL Horizontal Contour Normalized 3D
SPL Vertical Contour Normalized 3D
SPL Horizontal Radar
SPL Vertical Radar
CEA2034
On Axis
Early Reflections
Estimated In-Room Response
Horizontal Reflections
Vertical Reflections
SPL Horizontal
SPL Vertical
SPL Horizontal Normalized
SPL Vertical Normalized
SPL Horizontal Contour
SPL Vertical Contour
SPL Horizontal Contour Normalized
SPL Vertical Contour Normalized
SPL Horizontal Contour 3D
SPL Vertical Contour 3D
SPL Horizontal Contour Normalized 3D
SPL Vertical Contour Normalized 3D
SPL Horizontal Radar
SPL Vertical Radar
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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