What we know about the measurement:

Fiio SP3 is an active bookshelves speaker that cost around 350USD 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 .
  • -3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 58.6Hz).
  • Reference level is normalised to 0.8dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.1dB 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°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.46 and would be 5.07 with a perfect subwoofer.
      • Details: NBD: ON 0.57, LW 0.519, SP 0.481, PIR 0.459; SM: SP0.355, PIR0.079; LFQ 0.243, LFX 58Hz
    • Tonality (Preference) Score is 5.9 with an EQ and would be 8.32 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.348, LW 0.308, SP 0.299, PIR 0.233; SM: SP0.968, PIR0.95; LFQ 0.243, LFX 52Hz
  • 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
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