What we know about the measurement:

KRK Systems Classic 5 is an active bookshelves that cost around 150 USD 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.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.71 and would be 5.22 with a perfect subwoofer.
      • Details: NBD: ON 0.572, LW 0.546, SP 0.504, PIR 0.491; SM: SP0.589, PIR0.189; LFQ 0.688, LFX 55Hz
    • Tonality (Preference) Score is 5.34 with an EQ and would be 7.71 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.429, LW 0.403, SP 0.367, PIR 0.339; SM: SP0.954, PIR0.911; LFQ 0.688, LFX 51Hz
  • Link to Original review.
KRK Systems Classic 5
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 40.0 0.63 2.95
PK 77.0 2.18 -2.93
PK 454.0 2.09 -0.74
PK 1083.0 3.0 2.95
PK 2168.0 3.0 2.96
PK 10341.0 0.26 -5.35
PK 11085.0 1.39 2.96
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
KRK Systems Classic 5
maiky76@ASR LW (IIR)
Set preamp gain to: -0.0dB.
Type Freq Q Gain
PK 585.0 5.4 -0.67
PK 4277.0 5.49 -0.5
PK 5057.0 2.82 -2.25
PK 7360.0 1.66 -2.06
PK 17029.0 3.43 -2.94
Download
This EQ is designed by ASR member maiky76. This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
KRK Systems Classic 5
maiky76@ASR (IIR)
Set preamp gain to: -0.0dB.
Type Freq Q Gain
PK 584.0 7.93 -1.0
PK 2969.0 8.18 -0.74
PK 4810.0 2.07 -3.34
PK 7466.0 1.4 -3.06
PK 15783.0 2.44 -3.37
Download
This EQ is designed by ASR member maiky76. This EQ optimise the Harman score and is a good start for far field listening like in your living room.
KRK Systems Classic 5
flipflop@ASR (IIR)
Set preamp gain to: -3.1dB.
Type Freq Q Gain
PK 606.0 6.0 -1.6
PK 652.0 15.0 2.7
PK 742.0 12.0 0.9
PK 871.0 5.5 -1.0
PK 987.0 13.0 -2.0
PK 1080.0 3.0 2.4
PK 1380.0 3.2 -1.9
PK 1570.0 14.0 1.2
PK 1725.0 15.0 -0.5
PK 1900.0 16.0 1.4
PK 2215.0 12.0 3.7
PK 2475.0 11.0 -2.0
PK 2990.0 8.0 -1.2
PK 4290.0 10.0 -0.8
PK 4910.0 2.3 -3.0
PK 7170.0 1.6 -2.9
PK 9650.0 3.0 -1.0
PK 12900.0 2.3 -1.3
PK 16050.0 3.5 -1.2
HS 19000.0 1.5772935127949521 -15.0
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This EQ is designed by ASR member flipflop.
KRK Systems Classic 5
Graphic EQ 15 bands
Set preamp gain to: -0.0dB.
Type Freq Q Gain
PK 25.0 2.14 0.0
PK 40.0 2.14 0.0
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 -0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.0
PK 1600.0 2.14 -0.25
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -0.5
PK 6300.0 2.14 -0.75
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 -0.75
Download
This EQ is designed for a 15 bands graphical EQ.
KRK Systems Classic 5
Graphic EQ 31 bands
Set preamp gain to: -0.2dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.0
PK 31.0 4.32 0.0
PK 40.0 4.32 0.0
PK 50.0 4.32 0.25
PK 63.0 4.32 0.0
PK 80.0 4.32 -0.25
PK 100.0 4.32 0.0
PK 125.0 4.32 0.0
PK 160.0 4.32 0.0
PK 200.0 4.32 0.0
PK 250.0 4.32 0.0
PK 315.0 4.32 -0.25
PK 400.0 4.32 -0.25
PK 500.0 4.32 -0.25
PK 630.0 4.32 -0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 -0.25
PK 2000.0 4.32 0.0
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.5
PK 4000.0 4.32 -0.5
PK 5000.0 4.32 -0.75
PK 6300.0 4.32 -0.75
PK 8000.0 4.32 -0.75
PK 10000.0 4.32 -0.5
PK 12000.0 4.32 -0.5
PK 16000.0 4.32 -0.75
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
KRK Systems Classic 5: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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