What we know about the measurement:

Yamaha DBR15 is an active liveportable that cost around 940 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 53.0Hz (resp. 50.0Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.81 and would be 3.18 with a perfect subwoofer.
      • Details: NBD: ON 1.031, LW 0.909, SP 0.997, PIR 0.94; SM: SP0.522, PIR0.379; LFQ 2.388, LFX 51Hz
    • Tonality (Preference) Score is 3.55 with an EQ and would be 5.92 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.705, LW 0.574, SP 0.745, PIR 0.64; SM: SP0.869, PIR0.822; LFQ 2.388, LFX 51Hz
Yamaha DBR15
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 104.0 1.35 -3.0
PK 2002.0 0.95 3.0
PK 263.0 2.99 -2.74
PK 371.0 2.98 3.0
PK 10646.0 0.8 -4.23
PK 14302.0 2.87 -3.7
PK 8946.0 2.99 -1.52
PK 811.0 3.0 -3.49
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Yamaha DBR15
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 -0.5
PK 400.0 2.14 0.5
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.75
PK 4000.0 2.14 0.5
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
Yamaha DBR15
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
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 -0.5
PK 125.0 4.32 -0.5
PK 160.0 4.32 -0.25
PK 200.0 4.32 0.0
PK 250.0 4.32 -0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 0.0
PK 800.0 4.32 -0.25
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.25
PK 2000.0 4.32 0.5
PK 2500.0 4.32 0.5
PK 3150.0 4.32 0.25
PK 4000.0 4.32 0.25
PK 5000.0 4.32 0.25
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.0
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 -0.25
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 DBR15: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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