What we know about the measurement:

Mcintosh XR50 is a passive bookshelves that cost around 4000 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 43.9Hz (resp. 39.6Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.55 and would be 6.36 with a perfect subwoofer.
      • Details: NBD: ON 0.52, LW 0.404, SP 0.326, PIR 0.31; SM: SP0.717, PIR0.388; LFQ 0.643, LFX 38Hz
    • Tonality (Preference) Score is 6.63 with an EQ and would be 8.29 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.438, LW 0.264, SP 0.241, PIR 0.175; SM: SP0.961, PIR0.958; LFQ 0.643, LFX 35Hz
  • Link to Original review.
Mcintosh XR50
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
LS 56.0 0.91 2.99
PK 84.0 1.17 -2.86
PK 207.0 2.11 1.37
PK 342.0 1.36 -0.82
PK 965.0 1.91 1.07
PK 2014.0 2.76 1.8
PK 4202.0 2.97 1.61
PK 7417.0 2.01 -1.23
PK 12662.0 0.33 -2.35
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Mcintosh XR50
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 -0.5
PK 100.0 2.14 -0.5
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.25
PK 400.0 2.14 -0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.0
PK 2500.0 2.14 0.0
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.75
PK 10000.0 2.14 -0.75
PK 16000.0 2.14 -0.5
Download
This EQ is designed for a 15 bands graphical EQ.
Mcintosh XR50
Graphic EQ 31 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.0
PK 63.0 4.32 -0.25
PK 80.0 4.32 -0.5
PK 100.0 4.32 -0.5
PK 125.0 4.32 -0.25
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 -0.25
PK 500.0 4.32 -0.25
PK 630.0 4.32 -0.25
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 -0.25
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.75
PK 8000.0 4.32 -1.0
PK 10000.0 4.32 -0.75
PK 12000.0 4.32 -0.75
PK 16000.0 4.32 -0.75
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)
Mcintosh XR50: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
;