What we know about the measurement:

Yamaha DBR10 is an active liveportable that cost around 740 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. 63.0Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.66 and would be 5.41 with a perfect subwoofer.
      • Details: NBD: ON 0.794, LW 0.681, SP 0.74, PIR 0.713; SM: SP0.87, PIR0.793; LFQ 1.448, LFX 63Hz
    • Tonality (Preference) Score is 3.55 with an EQ and would be 6.36 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.632, LW 0.513, SP 0.592, PIR 0.531; SM: SP0.905, PIR0.795; LFQ 1.448, LFX 64Hz
Yamaha DBR10
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
3 106.0 1.3 -2.5
3 245.0 2.99 -2.56
3 511.0 2.64 -2.97
3 604.0 2.99 2.95
3 817.0 1.06 2.03
3 1180.0 2.64 -2.92
3 1541.0 2.96 2.49
3 5135.0 2.98 2.28
3 15474.0 1.17 1.61
Download

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

Yamaha DBR10 filters_auto_eq

AutomaticEQ

Yamaha DBR10 filters_eq_full

Target v.s. EQ

Yamaha DBR10
Graphic EQ 15 bands
Set preamp gain to: -0.8dB.
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 -0.5
3 160.0 2.14 -0.25
3 250.0 2.14 -0.75
3 400.0 2.14 -0.25
3 630.0 2.14 0.5
3 1000.0 2.14 0.0
3 1600.0 2.14 0.25
3 2500.0 2.14 0.0
3 4000.0 2.14 0.5
3 6300.0 2.14 0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 0.75
Download

These EQ is designed for a 15 bands graphical EQ.

Yamaha DBR10
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
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 -0.5
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 -0.25
3 250.0 4.32 -0.5
3 315.0 4.32 0.25
3 400.0 4.32 -0.25
3 500.0 4.32 -0.25
3 630.0 4.32 0.5
3 800.0 4.32 0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 -0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 0.0
3 3150.0 4.32 0.0
3 4000.0 4.32 0.5
3 5000.0 4.32 0.25
3 6300.0 4.32 0.25
3 8000.0 4.32 0.25
3 10000.0 4.32 0.0
3 12000.0 4.32 0.0
3 16000.0 4.32 0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Yamaha DBR10: comparison between EQs
Yamaha DBR10

Comparison betweens various EQs

Yamaha DBR10

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
;