What we know about the measurement:

Monoprice Monolith K-BAS is a passive bookshelves

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • Sensitivity: 89.8dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 70.9Hz (resp. 69.9Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.7dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.91 and would be 7.85 with a perfect subwoofer.
      • Details: NBD: ON 0.423, LW 0.347, SP 0.291, PIR 0.264; SM: SP0.92, PIR0.87; LFQ 0.522, LFX 69Hz
    • Tonality (Preference) Score is 5.7 with an EQ and would be 8.64 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.316, LW 0.254, SP 0.256, PIR 0.149; SM: SP0.922, PIR0.948; LFQ 0.522, LFX 69Hz
  • Link to Original review.
Monoprice Monolith K-BAS
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
5 71.0 0.43 2.98
3 253.0 0.79 -1.16
3 494.0 2.99 2.29
3 625.0 2.99 -2.99
3 2226.0 0.81 0.66
3 2909.0 2.07 1.27
3 4645.0 2.35 0.1
3 8478.0 0.89 2.24
3 14473.0 0.91 -1.11
Download

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

Monoprice Monolith K-BAS filters_auto_eq

AutomaticEQ

Monoprice Monolith K-BAS filters_eq_full

Target v.s. EQ

Monoprice Monolith K-BAS
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
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 0.0
3 160.0 2.14 0.0
3 250.0 2.14 -0.25
3 400.0 2.14 0.0
3 630.0 2.14 -0.25
3 1000.0 2.14 0.0
3 1600.0 2.14 0.0
3 2500.0 2.14 0.25
3 4000.0 2.14 0.0
3 6300.0 2.14 0.0
3 10000.0 2.14 0.25
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Monoprice Monolith K-BAS
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 0.25
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 -0.25
3 250.0 4.32 -0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.25
3 630.0 4.32 -0.5
3 800.0 4.32 0.0
3 1000.0 4.32 -0.25
3 1250.0 4.32 0.0
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 0.25
3 4000.0 4.32 0.25
3 5000.0 4.32 0.25
3 6300.0 4.32 0.0
3 8000.0 4.32 0.25
3 10000.0 4.32 0.25
3 12000.0 4.32 0.0
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Monoprice Monolith K-BAS: comparison between EQs
Monoprice Monolith K-BAS

Comparison betweens various EQs

Monoprice Monolith K-BAS

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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