What we know about the measurement:

Polk Audio Reserve R500 is a passive floorstanders that cost around 650 USD each.

  • 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 50.5Hz (resp. 38.8Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.06 and would be 7.64 with a perfect subwoofer.
      • Details: NBD: ON 0.452, LW 0.39, SP 0.352, PIR 0.322; SM: SP0.909, PIR0.883; LFQ 0.999, LFX 33Hz
    • Tonality (Preference) Score is 6.71 with an EQ and would be 8.16 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.376, LW 0.317, SP 0.332, PIR 0.26; SM: SP0.945, PIR0.949; LFQ 0.999, LFX 31Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Vendor specifications:
    • Sensitivity 87 dB
    • Impedance 4 Ohm
    • Size
      • Width 255mm
      • Height 1044mm
      • Depth 349mm
    • Weight 17.7kg
Polk Audio Reserve R500
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 44.0 0.66 2.98
PK 85.0 1.56 -1.75
PK 160.0 2.75 2.97
PK 190.0 1.71 -1.94
PK 356.0 2.97 0.98
PK 765.0 2.98 -0.74
PK 5347.0 1.36 -1.44
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
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)
;