What we know about the measurement:

Yamaha DXR8mkII is an active liveportable that cost around 1300 USD for a pair.

  • Quality of the measurement data is medium.
  • Origin of the data is Yamaha.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 69.0Hz (resp. 65.0Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.5dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.34 and would be 6.15 with a perfect subwoofer.
      • Details: NBD: ON 0.667, LW 0.589, SP 0.585, PIR 0.542; SM: SP0.88, PIR0.755; LFQ 1.253, LFX 64Hz
    • Tonality (Preference) Score is 4.64 with an EQ and would be 7.39 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.471, LW 0.416, SP 0.46, PIR 0.4; SM: SP0.95, PIR0.898; LFQ 1.253, LFX 63Hz
Yamaha DXR8mkII
AutomaticEQ (IIR)
Set preamp gain to: -1.8dB.
Type Freq Q Gain
5 69.0 1.05 2.98
3 289.0 1.32 1.75
3 462.0 2.99 0.81
3 739.0 2.74 1.42
3 1491.0 2.41 -2.6
3 4345.0 0.27 3.0
3 6069.0 2.77 -2.99
3 9691.0 2.9 -2.52
5 13092.0 0.55 -1.2
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Yamaha DXR8mkII filters_auto_eq

AutomaticEQ

Yamaha DXR8mkII filters_eq_full

Target v.s. EQ

Yamaha DXR8mkII
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
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 -0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 -0.25
3 2500.0 2.14 0.25
3 4000.0 2.14 0.25
3 6300.0 2.14 -0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 0.5
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These EQ is designed for a 15 bands graphical EQ.

Yamaha DXR8mkII
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.0
3 125.0 4.32 -0.25
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.25
3 315.0 4.32 0.25
3 400.0 4.32 0.0
3 500.0 4.32 0.25
3 630.0 4.32 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 0.25
3 1250.0 4.32 -0.25
3 1600.0 4.32 0.0
3 2000.0 4.32 0.5
3 2500.0 4.32 0.25
3 3150.0 4.32 0.5
3 4000.0 4.32 0.5
3 5000.0 4.32 0.25
3 6300.0 4.32 0.0
3 8000.0 4.32 0.25
3 10000.0 4.32 0.0
3 12000.0 4.32 0.25
3 16000.0 4.32 0.75
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Yamaha DXR8mkII: comparison between EQs
Yamaha DXR8mkII

Comparison betweens various EQs

Yamaha DXR8mkII

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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