What we know about the measurement:

Buchardt Audio A500 is an active bookshelves that cost around 4100 USD 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 24.9Hz (resp. 23.4Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.62 and would be 7.51 with a perfect subwoofer.
      • Details: NBD: ON 0.266, LW 0.286, SP 0.313, PIR 0.278; SM: SP0.811, PIR0.574; LFQ 1.157, LFX 23Hz
    • Tonality (Preference) Score is 7.8 with an EQ and would be 8.7 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.217, LW 0.213, SP 0.261, PIR 0.196; SM: SP0.953, PIR0.928; LFQ 1.157, LFX 23Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
Buchardt Audio A500
AutomaticEQ (IIR)
Set preamp gain to: -2.0dB.
Type Freq Q Gain
LS 24.0 1.16 2.76
PK 87.0 0.8 -0.63
PK 207.0 1.69 0.75
PK 691.0 2.8 1.26
PK 2226.0 1.63 2.25
PK 2813.0 1.42 -0.23
PK 3438.0 1.76 -0.18
PK 7930.0 2.53 0.9
PK 11843.0 0.58 -1.62
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Buchardt Audio A500
Graphic EQ 15 bands
Set preamp gain to: -0.1dB.
Type Freq Q Gain
PK 25.0 2.14 0.0
PK 40.0 2.14 -0.25
PK 63.0 2.14 -0.25
PK 100.0 2.14 -0.25
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 0.0
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 -0.5
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.
Buchardt Audio A500
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
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 -0.25
PK 50.0 4.32 -0.25
PK 63.0 4.32 -0.25
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.25
PK 125.0 4.32 -0.25
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 0.0
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 0.25
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 0.5
PK 2500.0 4.32 0.5
PK 3150.0 4.32 0.25
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 0.0
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)
Buchardt Audio A500: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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