What we know about the measurement:

Yamaha DZR12 is an active liveportable that cost around 2600 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. 48.7Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.17 and would be 5.44 with a perfect subwoofer.
      • Details: NBD: ON 0.731, LW 0.615, SP 0.682, PIR 0.638; SM: SP0.779, PIR0.641; LFQ 1.84, LFX 48Hz
    • Tonality (Preference) Score is 5.22 with an EQ and would be 7.49 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.501, LW 0.347, SP 0.429, PIR 0.352; SM: SP0.944, PIR0.911; LFQ 1.84, LFX 48Hz
Yamaha DZR12
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
PK 96.0 1.28 -2.91
PK 138.0 2.88 2.58
PK 237.0 2.98 2.98
PK 342.0 2.26 -2.91
PK 462.0 2.44 2.82
PK 1822.0 2.49 1.97
PK 6276.0 1.33 -2.66
PK 9372.0 2.94 -2.96
HS 11077.0 0.27 2.95
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Yamaha DZR12
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 0.0
PK 100.0 2.14 -0.25
PK 160.0 2.14 0.0
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 0.0
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.25
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.5
Download
This EQ is designed for a 15 bands graphical EQ.
Yamaha DZR12
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.0
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 0.25
PK 200.0 4.32 0.0
PK 250.0 4.32 0.25
PK 315.0 4.32 -0.25
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 0.25
PK 2000.0 4.32 0.5
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 -0.25
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.75
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 DZR12: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
;