What we know about the measurement:

Yamaha DBR12 is an active liveportable that cost around 920 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 63.0Hz (resp. 58.0Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.8 and would be 5.4 with a perfect subwoofer.
      • Details: NBD: ON 0.762, LW 0.631, SP 0.65, PIR 0.612; SM: SP0.747, PIR0.623; LFQ 1.858, LFX 58Hz
    • Tonality (Preference) Score is 4.34 with an EQ and would be 6.99 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.584, LW 0.449, SP 0.496, PIR 0.434; SM: SP0.925, PIR0.891; LFQ 1.858, LFX 60Hz
Yamaha DBR12
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 106.0 1.28 -2.2
PK 280.0 3.0 -2.96
PK 418.0 2.28 2.93
PK 1032.0 2.74 -0.77
PK 2545.0 2.2 2.88
PK 4645.0 2.21 1.29
PK 8478.0 2.43 1.79
PK 10713.0 0.6 -2.86
PK 15474.0 0.57 -0.44
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Yamaha DBR12
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 -0.5
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.5
PK 400.0 2.14 0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 0.0
PK 2500.0 2.14 0.5
PK 4000.0 2.14 0.25
PK 6300.0 2.14 0.0
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 0.25
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This EQ is designed for a 15 bands graphical EQ.
Yamaha DBR12
Graphic EQ 31 bands
Set preamp gain to: -1.1dB.
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 0.5
PK 63.0 4.32 0.5
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 0.0
PK 400.0 4.32 0.5
PK 500.0 4.32 0.5
PK 630.0 4.32 0.0
PK 800.0 4.32 0.25
PK 1000.0 4.32 0.25
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.5
PK 2000.0 4.32 0.5
PK 2500.0 4.32 0.75
PK 3150.0 4.32 0.75
PK 4000.0 4.32 0.5
PK 5000.0 4.32 0.5
PK 6300.0 4.32 0.25
PK 8000.0 4.32 0.5
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.25
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 DBR12: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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