What we know about the measurement:

AV123 X-CS Center is a passive center that cost around 199 USD

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 87.6dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 64.5Hz (resp. 54.2Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 70.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.69 and would be 6.16 with a perfect subwoofer.
      • Details: NBD: ON 0.646, LW 0.49, SP 0.544, PIR 0.475; SM: SP0.747, PIR0.65; LFQ 1.166, LFX 54Hz
    • Tonality (Preference) Score is 5.68 with an EQ and would be 7.88 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.461, LW 0.33, SP 0.366, PIR 0.294; SM: SP0.967, PIR0.96; LFQ 1.009, LFX 46Hz
  • Vertical measurement
  • Link to Original review.
AV123 X-CS Center
AutomaticEQ (IIR)
Set preamp gain to: -2.3dB.
Type Freq Q Gain
5 64.0 0.7 2.95
3 378.0 2.8 2.92
3 478.0 2.96 -2.86
3 604.0 0.54 1.58
3 1704.0 1.93 2.44
3 2153.0 1.76 -2.27
3 4202.0 2.06 -2.18
3 7669.0 1.7 -2.84
5 10713.0 0.83 -0.92
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

AV123 X-CS Center filters_auto_eq

AutomaticEQ

AV123 X-CS Center filters_eq_full

Target v.s. EQ

AV123 X-CS Center
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 -0.25
3 160.0 2.14 -0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.5
3 630.0 2.14 0.25
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 -0.25
3 6300.0 2.14 -0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 0.25
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These EQ is designed for a 15 bands graphical EQ.

AV123 X-CS Center
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
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 0.0
3 100.0 4.32 -0.25
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.25
3 400.0 4.32 0.25
3 500.0 4.32 0.0
3 630.0 4.32 0.25
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 0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 -0.25
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.

AV123 X-CS Center: comparison between EQs
AV123 X-CS Center

Comparison betweens various EQs

AV123 X-CS Center

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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