What we know about the measurement:

Monoprice Monolith THX-365C is a passive center that cost around 500 USD

  • 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 82.0Hz (resp. 67.4Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.45 and would be 7.45 with a perfect subwoofer.
      • Details: NBD: ON 0.5, LW 0.402, SP 0.405, PIR 0.342; SM: SP0.884, PIR0.877; LFQ 1.461, LFX 71Hz
    • Tonality (Preference) Score is 5.6 with an EQ and would be 8.22 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.378, LW 0.251, SP 0.302, PIR 0.218; SM: SP0.896, PIR0.919; LFQ 1.239, LFX 58Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
Monoprice Monolith THX-365C
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 62.0 1.33 2.99
PK 130.0 1.89 -2.57
PK 243.0 2.75 1.3
PK 279.0 2.24 -1.0
PK 2491.0 2.54 1.01
PK 3068.0 2.96 -1.72
PK 9001.0 2.97 -1.14
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Monoprice Monolith THX-365C
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
PK 25.0 2.14 0.75
PK 40.0 2.14 0.75
PK 63.0 2.14 0.75
PK 100.0 2.14 0.0
PK 160.0 2.14 -0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.25
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 0.25
PK 16000.0 2.14 0.5
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This EQ is designed for a 15 bands graphical EQ.
Monoprice Monolith THX-365C
Graphic EQ 31 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.75
PK 31.0 4.32 0.75
PK 40.0 4.32 0.75
PK 50.0 4.32 0.75
PK 63.0 4.32 0.75
PK 80.0 4.32 0.75
PK 100.0 4.32 0.0
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 0.0
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
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 -0.25
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 -0.25
PK 2000.0 4.32 0.0
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.5
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.0
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)
Monoprice Monolith THX-365C: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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