What we know about the measurement:

Quested S8R is an active bookshelves that cost around 3000 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Sound and Recording.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 33.1Hz (resp. 31.1Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.6dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.81 and would be 6.24 with a perfect subwoofer.
      • Details: NBD: ON 0.67, LW 0.608, SP 0.524, PIR 0.537; SM: SP0.844, PIR0.791; LFQ 1.718, LFX 31Hz
    • Tonality (Preference) Score is 6.58 with an EQ and would be 7.78 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.406, LW 0.374, SP 0.368, PIR 0.314; SM: SP0.89, PIR0.883; LFQ 1.718, LFX 27Hz
  • Link to Original review.
Quested S8R
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
3 28.0 1.36 3.0
3 92.0 1.12 -3.63
3 252.0 2.47 -1.12
3 540.0 1.3 -3.41
3 714.0 3.0 3.0
3 2964.0 2.97 -3.62
3 9001.0 1.76 -3.38
Download

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

Quested S8R filters_auto_eq

AutomaticEQ

Quested S8R filters_eq_full

Target v.s. EQ

Quested S8R
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 -0.25
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 -0.25
3 630.0 2.14 -0.25
3 1000.0 2.14 -0.25
3 1600.0 2.14 0.0
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 -0.25
3 16000.0 2.14 0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Quested S8R
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.25
3 50.0 4.32 0.0
3 63.0 4.32 -0.25
3 80.0 4.32 -0.5
3 100.0 4.32 -0.5
3 125.0 4.32 -0.5
3 160.0 4.32 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 -0.25
3 315.0 4.32 -0.25
3 400.0 4.32 -0.25
3 500.0 4.32 -0.25
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 -0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 0.0
3 3150.0 4.32 -0.25
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 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 0.5
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.

Quested S8R: comparison between EQs
Quested S8R

Comparison betweens various EQs

Quested S8R

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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