What we know about the measurement:

Neumann KH 120 II is an active bookshelves that cost around 1000 USD each.

  • 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 45.4Hz (resp. 41.0Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.5dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.58 and would be 8.53 with a perfect subwoofer.
      • Details: NBD: ON 0.229, LW 0.208, SP 0.276, PIR 0.224; SM: SP0.954, PIR0.901; LFQ 0.599, LFX 41Hz
    • Tonality (Preference) Score is 6.99 with an EQ and would be 8.8 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.218, LW 0.181, SP 0.243, PIR 0.187; SM: SP0.973, PIR0.957; LFQ 0.599, LFX 38Hz
  • Link to Original review.
  • Vendor specifications:
    • SPL
      • peak: 108 dB
      • pink_noise: 87 dB
    • Size
      • Width 182mm
      • Height 287mm
      • Depth 227 mm)
    • Weight 5.4 kg
Neumann KH 120 II
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 38.0 3.0 2.98
PK 227.0 1.16 0.73
PK 252.0 0.27 -0.76
PK 1010.0 1.0 1.02
PK 1700.0 2.98 1.72
PK 2023.0 0.98 -1.12
PK 8694.0 1.04 -0.95
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Neumann KH 120 II filters_auto_eq

AutomaticEQ

Neumann KH 120 II filters_eq_full

Target v.s. EQ

Neumann KH 120 II
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 -0.25
PK 100.0 2.14 -0.25
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.25
PK 400.0 2.14 -0.25
PK 630.0 2.14 -0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.0
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.0
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Neumann KH 120 II
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 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
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 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 -0.25
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 0.0
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 0.0
PK 3150.0 4.32 0.0
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 -0.25
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 0.0
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Neumann KH 120 II: comparison between EQs
Neumann KH 120 II

Comparison betweens various EQs

Neumann KH 120 II

Improvements made by 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
Frequency Frequency with EQ
Frequency Frequency with EQ
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