What we know about the measurement:

Kling Freitag Spectra is an active toursound that cost around 6780 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is Kling Freitag.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 71.0Hz (resp. 65.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for toursound speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is 2.79 and would be 5.71 with a perfect subwoofer.
      • Details: NBD: ON 0.518, LW 0.541, SP 0.695, PIR 0.598; SM: SP0.565, PIR0.479; LFQ 2.613, LFX 68Hz
    • Tonality (Preference) Score is 4.48 with an EQ and would be 7.34 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.448, LW 0.398, SP 0.529, PIR 0.431; SM: SP0.882, PIR0.892; LFQ 2.163, LFX 67Hz
Kling Freitag Spectra
AutomaticEQ (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
3 105.0 3.0 -2.48
3 289.0 0.46 -2.17
3 470.0 3.0 3.0
3 942.0 2.83 2.92
3 4051.0 0.81 -1.47
3 9319.0 1.83 -3.33
3 11476.0 2.4 -5.07
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Kling Freitag Spectra filters_auto_eq

AutomaticEQ

Kling Freitag Spectra filters_eq_full

Target v.s. EQ

Kling Freitag Spectra
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 -0.5
3 160.0 2.14 -0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.5
3 1000.0 2.14 0.75
3 1600.0 2.14 0.25
3 2500.0 2.14 0.5
3 4000.0 2.14 0.25
3 6300.0 2.14 0.25
3 10000.0 2.14 -0.5
3 16000.0 2.14 1.0
Download

These EQ is designed for a 15 bands graphical EQ.

Kling Freitag Spectra
Graphic EQ 31 bands
Set preamp gain to: -1.5dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 0.0
3 100.0 4.32 -0.25
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.0
3 400.0 4.32 0.25
3 500.0 4.32 0.5
3 630.0 4.32 0.5
3 800.0 4.32 0.75
3 1000.0 4.32 1.0
3 1250.0 4.32 0.5
3 1600.0 4.32 0.5
3 2000.0 4.32 0.5
3 2500.0 4.32 0.5
3 3150.0 4.32 0.5
3 4000.0 4.32 0.5
3 5000.0 4.32 0.5
3 6300.0 4.32 0.5
3 8000.0 4.32 0.25
3 10000.0 4.32 -0.25
3 12000.0 4.32 0.0
3 16000.0 4.32 1.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Kling Freitag Spectra: comparison between EQs
Kling Freitag Spectra

Comparison betweens various EQs

Kling Freitag Spectra

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
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