What we know about the measurement:

Spendor Audio Systems SA1 is a passive bookshelves

  • Quality of the measurement data is low.
  • Origin of the data is Princeton.
  • Format of the data is .
  • Link to Original review.
Spendor Audio Systems SA1
AutomaticEQ (IIR)
Set preamp gain to: -0.0dB.
Type Freq Q Gain
PK 24.0 0.35 -6.55
PK 40.0 0.54 -8.35
PK 58.0 0.26 -8.52
PK 299.0 1.23 -0.18
PK 522.0 0.96 1.07
PK 7308.0 1.64 -5.48
PK 9648.0 2.59 0.58
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Spendor Audio Systems SA1 filters_auto_eq

AutomaticEQ

Spendor Audio Systems SA1 filters_eq_full

Target v.s. EQ

Spendor Audio Systems SA1
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 25.0 2.14 0.0
PK 40.0 2.14 0.0
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 0.0
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 0.0
PK 4000.0 2.14 0.25
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Spendor Audio Systems SA1
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.0
PK 31.0 4.32 0.0
PK 40.0 4.32 0.0
PK 50.0 4.32 0.0
PK 63.0 4.32 0.0
PK 80.0 4.32 0.0
PK 100.0 4.32 0.0
PK 125.0 4.32 0.0
PK 160.0 4.32 0.0
PK 200.0 4.32 0.0
PK 250.0 4.32 0.0
PK 315.0 4.32 0.0
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 0.25
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
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 -0.25
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.0
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Spendor Audio Systems SA1: comparison between EQs
Spendor Audio Systems SA1

Comparison betweens various EQs

Spendor Audio Systems SA1

Improvements made by EQ
On Axis
SPL Horizontal
SPL Vertical
SPL Horizontal Normalized
SPL Vertical Normalized
SPL Horizontal Contour
SPL Vertical Contour
SPL Horizontal Contour Normalized
SPL Vertical Contour Normalized
SPL Horizontal Contour 3D
SPL Vertical Contour 3D
SPL Horizontal Contour Normalized 3D
SPL Vertical Contour Normalized 3D
SPL Horizontal Radar
SPL Vertical Radar
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