What we know about the measurement:

Miller & Kreisel S150 THX is a passive cinema that cost around 1500 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 88.6dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 112.8Hz (resp. 85.0Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.6dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-80.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.8 and would be 7.04 with a perfect subwoofer.
      • Details: NBD: ON 0.464, LW 0.371, SP 0.383, PIR 0.33; SM: SP0.753, PIR0.648; LFQ 1.088, LFX 82Hz
    • Tonality (Preference) Score is 5.45 with an EQ and would be 8.07 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.402, LW 0.297, SP 0.332, PIR 0.26; SM: SP0.927, PIR0.934; LFQ 0.901, LFX 58Hz
  • Link to original Review: asr review. Links to other reviews: srp review .
  • Note: this is an older version of the S150 around mid 1990s.
  • Vendor specifications:
    • Sensitivity 92 dB
    • Impedance 4 Ohm
    • Size
      • Width 266mm
      • Height 318mm
      • Depth 308 mm)
    • Weight 11.5 kg
Miller & Kreisel S150 THX
AutomaticEQ (IIR)
Set preamp gain to: -5.0dB.
Type Freq Q Gain
5 112.0 0.44 2.91
3 844.0 0.26 -2.19
3 998.0 2.03 1.7
3 1648.0 2.05 1.02
3 2302.0 0.42 -0.42
3 3801.0 1.66 -2.39
3 7417.0 2.87 -2.06
3 11077.0 2.6 -2.77
5 14473.0 0.74 2.11
Download

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

Miller & Kreisel S150 THX filters_auto_eq

AutomaticEQ

Miller & Kreisel S150 THX filters_eq_full

Target v.s. EQ

Miller & Kreisel S150 THX
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 0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.5
3 1600.0 2.14 0.25
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 0.0
3 16000.0 2.14 0.75
Download

These EQ is designed for a 15 bands graphical EQ.

Miller & Kreisel S150 THX
Graphic EQ 31 bands
Set preamp gain to: -1.2dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.75
3 31.0 4.32 0.75
3 40.0 4.32 0.75
3 50.0 4.32 0.75
3 63.0 4.32 0.75
3 80.0 4.32 0.75
3 100.0 4.32 0.75
3 125.0 4.32 0.5
3 160.0 4.32 0.25
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 0.25
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.25
3 1000.0 4.32 0.5
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.0
3 4000.0 4.32 -0.25
3 5000.0 4.32 0.0
3 6300.0 4.32 0.25
3 8000.0 4.32 -0.25
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.25
3 16000.0 4.32 0.75
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Miller & Kreisel S150 THX: comparison between EQs
Miller & Kreisel S150 THX

Comparison betweens various EQs

Miller & Kreisel S150 THX

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
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