Notice

Warning

We have multiple measurements for this speaker. Click here to see the default one (which is higher quality if we have one measurement better than the others).

What we know about the measurement:

Klipsch Heresy IV is a passive floorstanders that cost around 2000 USD for a pair.

  • Quality of the measurement data is unknown.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 74.9Hz (resp. 61.3Hz).
  • Reference level is normalised to 0.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.7dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.83 and would be 3.49 with a perfect subwoofer.
      • Details: NBD: ON 0.85, LW 0.772, SP 0.808, PIR 0.732; SM: SP0.387, PIR0.053; LFQ 1.998, LFX 60Hz
    • Tonality (Preference) Score is 3.68 with an EQ and would be 5.98 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.694, LW 0.623, SP 0.702, PIR 0.601; SM: SP0.827, PIR0.786; LFQ 1.998, LFX 49Hz
  • Link to original Review: eac review. Links to other reviews: asr review .
Klipsch Heresy IV
AutomaticEQ (IIR)
Set preamp gain to: -4.2dB.
Type Freq Q Gain
PK 34.0 2.93 3.0
PK 80.0 0.25 1.45
PK 243.0 1.91 2.97
PK 1202.0 2.99 -2.16
PK 1954.0 2.96 -2.59
PK 7308.0 0.97 -4.1
PK 14134.0 2.23 -6.09
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Klipsch Heresy IV
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 0.0
PK 160.0 2.14 0.5
PK 250.0 2.14 0.75
PK 400.0 2.14 0.0
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 -0.5
PK 2500.0 2.14 0.0
PK 4000.0 2.14 -0.5
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 -0.5
Download
This EQ is designed for a 15 bands graphical EQ.
Klipsch Heresy IV
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 0.5
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 0.25
PK 200.0 4.32 0.5
PK 250.0 4.32 0.5
PK 315.0 4.32 0.25
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
PK 630.0 4.32 0.25
PK 800.0 4.32 0.0
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 -0.25
PK 2000.0 4.32 -0.25
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.0
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 -0.5
PK 16000.0 4.32 -0.25
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)
Klipsch Heresy IV: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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