What we know about the measurement:

Pioneer SP-C22 is a passive center speaker that cost around 75USD .

  • Quality of the measurement data is high .
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 87.1dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 74.7Hz (resp. 68.8Hz).
  • Reference level is normalised to -0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 60.0°) 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 4.5 and would be 7.38 with a perfect subwoofer.
      • Details: NBD: ON 0.492, LW 0.355, SP 0.327, PIR 0.304; SM: SP0.913, PIR0.79; LFQ 0.485, LFX 67Hz
    • Tonality (Preference) Score is 5.35 with an EQ and would be 8.1 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.396, LW 0.26, SP 0.332, PIR 0.24; SM: SP0.934, PIR0.915; LFQ 0.485, LFX 62Hz
  • Vertical measurement
  • Link to Original review.
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
;