What we know about the measurement:

JansZen Loudspeaker zA1.1 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.
JansZen Loudspeaker zA1.1
AutomaticEQ (IIR)
Set preamp gain to: -0.0dB.
Type Freq Q Gain
PK 28.0 0.27 -8.97
PK 33.0 0.26 -9.0
PK 41.0 0.27 -8.93
PK 49.0 0.27 -8.75
PK 58.0 0.25 -8.87
PK 1760.0 1.25 -4.79
PK 4194.0 1.4 -2.14
Download

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

JansZen Loudspeaker zA1.1 filters_auto_eq

AutomaticEQ

JansZen Loudspeaker zA1.1 filters_eq_full

Target v.s. EQ

JansZen Loudspeaker zA1.1
Graphic EQ 15 bands
Set preamp gain to: -1.2dB.
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 0.5
PK 1000.0 2.14 0.5
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.25
PK 4000.0 2.14 0.5
PK 6300.0 2.14 0.75
PK 10000.0 2.14 1.0
PK 16000.0 2.14 1.0
Download

These EQ is designed for a 15 bands graphical EQ.

JansZen Loudspeaker zA1.1
Graphic EQ 31 bands
Set preamp gain to: -1.3dB.
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 0.5
PK 800.0 4.32 0.5
PK 1000.0 4.32 0.5
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 0.25
PK 3150.0 4.32 0.5
PK 4000.0 4.32 0.5
PK 5000.0 4.32 0.5
PK 6300.0 4.32 0.75
PK 8000.0 4.32 0.75
PK 10000.0 4.32 1.0
PK 12000.0 4.32 1.0
PK 16000.0 4.32 1.0
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

JansZen Loudspeaker zA1.1: comparison between EQs
JansZen Loudspeaker zA1.1

Comparison betweens various EQs

JansZen Loudspeaker zA1.1

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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