What we know about the measurement:

Jamo C93 II is a passive bookshelves that cost around 300 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 83.3dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 68.8Hz (resp. 60.1Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.2dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.36 and would be 4.97 with a perfect subwoofer.
      • Details: NBD: ON 0.613, LW 0.395, SP 0.466, PIR 0.395; SM: SP0.294, PIR0.002; LFQ 0.458, LFX 58Hz
    • Tonality (Preference) Score is 5.17 with an EQ and would be 7.53 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.561, LW 0.325, SP 0.374, PIR 0.286; SM: SP0.931, PIR0.908; LFQ 0.458, LFX 51Hz
  • Link to original Review: eac review. .
Jamo C93 II
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
5 68.0 0.68 2.81
3 221.0 2.42 0.87
3 366.0 1.79 2.19
3 668.0 2.68 1.79
3 1261.0 2.97 2.92
3 3110.0 2.86 -0.93
3 5490.0 0.26 -2.57
3 9372.0 0.38 -2.19
3 14473.0 0.89 -2.59
Download

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

Jamo C93 II filters_auto_eq

AutomaticEQ

Jamo C93 II filters_eq_full

Target v.s. EQ

Jamo C93 II
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 0.25
3 100.0 2.14 -0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 0.25
3 630.0 2.14 0.0
3 1000.0 2.14 -0.25
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.5
3 4000.0 2.14 -0.5
3 6300.0 2.14 -0.75
3 10000.0 2.14 -0.75
3 16000.0 2.14 -1.0
Download

These EQ is designed for a 15 bands graphical EQ.

Jamo C93 II
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.25
3 63.0 4.32 0.25
3 80.0 4.32 0.0
3 100.0 4.32 -0.25
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 0.0
3 1000.0 4.32 0.0
3 1250.0 4.32 0.25
3 1600.0 4.32 0.0
3 2000.0 4.32 -0.5
3 2500.0 4.32 -0.5
3 3150.0 4.32 -0.75
3 4000.0 4.32 -0.75
3 5000.0 4.32 -0.5
3 6300.0 4.32 -0.75
3 8000.0 4.32 -1.0
3 10000.0 4.32 -0.75
3 12000.0 4.32 -1.0
3 16000.0 4.32 -1.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Jamo C93 II: comparison between EQs
Jamo C93 II

Comparison betweens various EQs

Jamo C93 II

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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