What we know about the measurement:

Jamo S7-15B is a passive bookshelves that cost around 350 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: 85.7dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 69.6Hz (resp. 54.2Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.6dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.66 and would be 6.79 with a perfect subwoofer.
      • Details: NBD: ON 0.393, LW 0.379, SP 0.457, PIR 0.391; SM: SP0.753, PIR0.544; LFQ 0.613, LFX 45Hz
    • Tonality (Preference) Score is 6.54 with an EQ and would be 8.31 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.317, LW 0.283, SP 0.327, PIR 0.256; SM: SP0.954, PIR0.942; LFQ 0.613, LFX 37Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Vendor specifications:
    • Sensitivity 86.3 dB
    • Impedance 4 Ohm
    • Size
      • Width 200mm
      • Height 320mm
      • Depth 340 mm)
    • Weight 5.93 kg
Jamo S7-15B
AutomaticEQ (IIR)
Set preamp gain to: -2.4dB.
Type Freq Q Gain
3 51.0 0.66 2.99
3 117.0 1.18 -4.19
3 643.0 0.54 1.22
3 689.0 2.98 -1.94
3 1823.0 2.98 2.1
3 4342.0 3.0 -1.77
3 7059.0 0.26 -2.28
Download

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

Jamo S7-15B filters_auto_eq

AutomaticEQ

Jamo S7-15B filters_eq_full

Target v.s. EQ

Jamo S7-15B
AutomaticEQ LW (IIR)
Set preamp gain to: -1.7dB.
Type Freq Q Gain
3 72.0 2.81 3.0
3 117.0 1.23 -3.52
3 600.0 0.56 0.89
3 689.0 3.0 -1.81
3 1760.0 2.98 1.47
3 4194.0 3.0 -1.26
3 7834.0 0.25 -1.33
Download

These EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

Jamo S7-15B: comparison between EQs
Jamo S7-15B

Comparison betweens various EQs

Jamo S7-15B

Improvements made by 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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