What we know about the measurement:

KRK Systems Classic 5 is a active bookshelves speaker that cost around 150USD for a pair .

  • Quality of the measurement data is high .
  • Origin of the data is ASR .
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 54.2Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.5dB 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°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.9 and would be 5.4 with a perfect subwoofer.
      • Details: NBD: ON 0.57, LW 0.55, SP 0.5, PIR 0.49; SM: SP0.59, PIR0.26; LFQ 0.7, LFX 54Hz
    • Tonality (Preference) Score is 5.2 with an EQ and would be 7.6 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.48, LW 0.44, SP 0.36, PIR 0.35; SM: SP0.96, PIR0.92; LFQ 0.68, LFX 51Hz
  • 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