What we know about the measurement:

Monoprice DT-3 is an active bookshelves that cost around 70 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 74.0Hz (resp. 66.7Hz).
  • Reference level is normalised to 0.9dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 7.6dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is -0.21 and would be 2.73 with a perfect subwoofer.
      • Details: NBD: ON 1.058, LW 0.989, SP 0.682, PIR 0.787; SM: SP0.053, PIR0.015; LFQ 0.205, LFX 69Hz
    • Tonality (Preference) Score is 4.96 with an EQ and would be 7.69 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.511, LW 0.458, SP 0.282, PIR 0.282; SM: SP0.941, PIR0.916; LFQ 0.168, LFX 62Hz
  • Link to Original review.
Monoprice DT-3
AutomaticEQ (IIR)
Set preamp gain to: -3.2dB.
Type Freq Q Gain
3 60.0 2.88 2.61
3 125.0 1.59 -9.0
3 332.0 0.73 2.98
3 1381.0 0.38 2.99
3 1480.0 2.67 -8.73
3 9648.0 0.25 -8.19
3 16239.0 0.84 -4.0
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Monoprice DT-3 filters_auto_eq

AutomaticEQ

Monoprice DT-3 filters_eq_full

Target v.s. EQ

Monoprice DT-3
Graphic EQ 15 bands
Set preamp gain to: -0.2dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 -0.75
3 160.0 2.14 -0.5
3 250.0 2.14 0.0
3 400.0 2.14 0.25
3 630.0 2.14 0.25
3 1000.0 2.14 -0.25
3 1600.0 2.14 -1.0
3 2500.0 2.14 -0.25
3 4000.0 2.14 -1.0
3 6300.0 2.14 -1.0
3 10000.0 2.14 -1.0
3 16000.0 2.14 -1.25
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These EQ is designed for a 15 bands graphical EQ.

Monoprice DT-3
Graphic EQ 31 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 -0.75
3 125.0 4.32 -1.0
3 160.0 4.32 -0.5
3 200.0 4.32 0.0
3 250.0 4.32 0.0
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 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 -0.25
3 1250.0 4.32 -0.5
3 1600.0 4.32 -1.0
3 2000.0 4.32 0.0
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.5
3 4000.0 4.32 -1.0
3 5000.0 4.32 -0.75
3 6300.0 4.32 -1.0
3 8000.0 4.32 -0.75
3 10000.0 4.32 -1.0
3 12000.0 4.32 -1.0
3 16000.0 4.32 -1.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Monoprice DT-3: comparison between EQs
Monoprice DT-3

Comparison betweens various EQs

Monoprice DT-3

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
Frequency Frequency with EQ
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