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
PK 28.0 1.36 3.0
PK 92.0 1.12 -3.63
PK 252.0 2.47 -1.12
PK 540.0 1.3 -3.41
PK 714.0 3.0 3.0
PK 2964.0 2.97 -3.62
PK 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
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 -0.25
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 -0.25
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 0.0
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.0
PK 10000.0 2.14 -0.25
PK 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
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 0.25
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 -0.5
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 0.0
PK 800.0 4.32 0.0
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 0.0
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 0.25
PK 5000.0 4.32 0.0
PK 6300.0 4.32 0.25
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.5
PK 16000.0 4.32 0.75
PK 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
Frequency Frequency with EQ
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