What we know about the measurement:

Yamaha DZR15 is an active liveportable that cost around 2400 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 46.2Hz (resp. 40.0Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.8dB 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 3.82 and would be 5.72 with a perfect subwoofer.
      • Details: NBD: ON 0.655, LW 0.597, SP 0.643, PIR 0.599; SM: SP0.751, PIR0.633; LFQ 1.991, LFX 40Hz
    • Tonality (Preference) Score is 5.9 with an EQ and would be 7.8 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.402, LW 0.328, SP 0.35, PIR 0.313; SM: SP0.922, PIR0.886; LFQ 1.991, LFX 40Hz
Yamaha DZR15
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
3 84.0 1.3 -2.84
3 221.0 2.79 2.97
3 342.0 2.52 -2.03
3 478.0 2.98 2.47
3 764.0 2.44 -0.9
3 1704.0 2.18 2.44
3 5870.0 2.4 -2.23
3 9064.0 2.38 -2.97
3 13092.0 1.27 2.95
Download

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

Yamaha DZR15 filters_auto_eq

AutomaticEQ

Yamaha DZR15 filters_eq_full

Target v.s. EQ

Yamaha DZR15
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 -0.25
3 100.0 2.14 -0.5
3 160.0 2.14 0.25
3 250.0 2.14 0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.25
3 1600.0 2.14 0.5
3 2500.0 2.14 0.5
3 4000.0 2.14 0.0
3 6300.0 2.14 0.0
3 10000.0 2.14 0.0
3 16000.0 2.14 1.0
Download

These EQ is designed for a 15 bands graphical EQ.

Yamaha DZR15
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.25
3 63.0 4.32 -0.25
3 80.0 4.32 -0.5
3 100.0 4.32 -0.25
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.25
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 0.0
3 1250.0 4.32 0.0
3 1600.0 4.32 0.5
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 0.0
3 6300.0 4.32 0.0
3 8000.0 4.32 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 0.5
3 16000.0 4.32 0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Yamaha DZR15: comparison between EQs
Yamaha DZR15

Comparison betweens various EQs

Yamaha DZR15

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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