What we know about the measurement:

Amazon Basic R60BTUS is an active bookshelves that cost around 50 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 139.2Hz (resp. 51.3Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.09 and would be 5.23 with a perfect subwoofer.
      • Details: NBD: ON 0.754, LW 0.664, SP 0.507, PIR 0.529; SM: SP0.794, PIR0.437; LFQ 0.332, LFX 45Hz
    • Tonality (Preference) Score is 5.09 with an EQ and would be 6.97 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.593, LW 0.532, SP 0.422, PIR 0.414; SM: SP0.945, PIR0.864; LFQ 0.332, LFX 39Hz
  • Link to Original review.
Amazon Basic R60BTUS
AutomaticEQ (IIR)
Set preamp gain to: -4.8dB.
Type Freq Q Gain
LS 139.0 0.83 2.96
PK 139.0 0.37 2.88
PK 187.0 1.88 -1.55
PK 366.0 0.45 -1.03
PK 668.0 2.95 2.79
PK 1348.0 2.96 -2.96
PK 1648.0 2.91 2.3
PK 6276.0 2.91 -2.94
PK 7669.0 1.26 2.21
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Amazon Basic R60BTUS
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
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 0.75
PK 160.0 2.14 0.5
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.5
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.0
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 0.0
PK 16000.0 2.14 -0.5
Download
This EQ is designed for a 15 bands graphical EQ.
Amazon Basic R60BTUS
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 0.5
PK 80.0 4.32 0.5
PK 100.0 4.32 0.5
PK 125.0 4.32 0.5
PK 160.0 4.32 0.25
PK 200.0 4.32 0.25
PK 250.0 4.32 0.25
PK 315.0 4.32 -0.25
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
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 -0.5
PK 1600.0 4.32 0.0
PK 2000.0 4.32 -0.25
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.0
PK 4000.0 4.32 0.0
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 0.5
PK 10000.0 4.32 0.0
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 -0.5
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)
Amazon Basic R60BTUS: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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