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.
  • 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 39Hz
    • 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 39Hz
Yamaha DZR15
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
PK 84.0 1.3 -2.84
PK 221.0 2.79 2.97
PK 342.0 2.52 -2.03
PK 478.0 2.98 2.47
PK 764.0 2.44 -0.9
PK 1704.0 2.18 2.44
PK 5870.0 2.4 -2.23
PK 9064.0 2.38 -2.97
PK 13092.0 1.27 2.95
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Yamaha DZR15
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
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 -0.5
PK 160.0 2.14 0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.5
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.0
PK 16000.0 2.14 1.0
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This 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
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
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 -0.5
PK 100.0 4.32 -0.25
PK 125.0 4.32 0.0
PK 160.0 4.32 0.0
PK 200.0 4.32 0.25
PK 250.0 4.32 0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.25
PK 630.0 4.32 0.0
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 0.5
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.25
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 0.5
PK 16000.0 4.32 0.5
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)
Yamaha DZR15: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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