LX521 Polar Analysis

Comprehensive polar response measurements and directivity analysis

Complete System Measurements

View polar response analysis of the complete LX521.4 system with all drivers summed.

Download Raw Measurements (REW .mdat files)

Download the original REW measurement files to run your own analysis. Available from the latest release.

Interactive Plots (HTML)

Andres Measurements

4 Drivers - Front hemisphere (0-90 deg)

4 Drivers in the LX521.4 baffle. No EQ/cross-overs applied.

Polar & Directivity

Frequency Response by Angle

Crossover Analysis

Contour Plots (Normalized)

Contour Plots (Absolute)

Measurement Details

10F8424 L22MG MU10 SEAS27T

Juan Baffleless Drivers

4 Drivers - Full 360 deg coverage

Baffleless drivers measured in free air. Dipole behavior expected. Includes rear measurements for complete polar pattern visualization.

Polar & Directivity

Frequency Response by Angle

Contour Plots (Normalized)

Contour Plots (Absolute)

Measurement Details

GRS PT6816 L22MG (nude) ND25FW4 (nude 18mm) SS10F8414G10

Static Plots - Andres Measurements (PNG)

Core Analysis

Directivity Index Comparison
Directivity Index Comparison
Beamwidth Comparison
Beamwidth Comparison
Dipole Null Analysis
Dipole Null Analysis

Polar Diagrams

Polar Gallery
All Drivers Overlaid
10F8424 Polar
10F8424 (Upper Mid)
L22MG Polar
L22MG (Lower Mid)
MU10 Polar
MU10 (Upper Mid)
SEAS27T Polar
SEAS27T (Tweeter)

Contour Plots (Normalized)

10F8424_contour_normalized.png
10F8424 (Upper Mid)
L22MG_contour_normalized.png
L22MG (Lower Mid)
MU10_contour_normalized.png
MU10 (Upper Mid)
SEAS27T_contour_normalized.png
SEAS27T (Tweeter)

Contour Plots (Absolute)

10F8424_contour_absolute.png
10F8424 (Upper Mid)
L22MG_contour_absolute.png
L22MG (Lower Mid)
MU10_contour_absolute.png
MU10 (Upper Mid)
SEAS27T_contour_absolute.png
SEAS27T (Tweeter)

Frequency Response by Angle

10F8424_freq_response_angles.png
10F8424
L22MG_freq_response_angles.png
L22MG
MU10_freq_response_angles.png
MU10
SEAS27T_freq_response_angles.png
SEAS27T

Frequency Response Normalized (0° = ref)

10F8424_freq_response_normalized.png
10F8424
L22MG_freq_response_normalized.png
L22MG
MU10_freq_response_normalized.png
MU10
SEAS27T_freq_response_normalized.png
SEAS27T

Crossover Analysis

crossover_1000Hz.png
Crossover 1000Hz
crossover_120Hz.png
Crossover 120Hz
crossover_7000Hz.png
Crossover 7000Hz

Static Plots - Juan Baffleless Drivers (PNG) - 360 deg

Core Analysis

Directivity Index
Directivity Index
Beamwidth
Beamwidth
Dipole Null Analysis
Dipole Null Analysis

Polar Diagrams (360 deg)

Polar Gallery
Polar Gallery (360 deg)
GRS PT6816 Polar
GRS PT6816 (360 deg)
L22MG (nude) Polar
L22MG (nude) (360 deg)
ND25FW4 (nude 18mm) Polar
ND25FW4 (nude 18mm) (360 deg)
SS10F8414G10 Polar
SS10F8414G10 (360 deg)

Contour Plots (Normalized)

GRS PT6816_contour_normalized.png
GRS PT6816
L22MG (nude)_contour_normalized.png
L22MG (nude)
ND25FW4 (nude 18mm)_contour_normalized.png
ND25FW4 (nude 18mm)
SS10F8414G10_contour_normalized.png
SS10F8414G10

Contour Plots (Absolute)

GRS PT6816_contour_absolute.png
GRS PT6816
L22MG (nude)_contour_absolute.png
L22MG (nude)
ND25FW4 (nude 18mm)_contour_absolute.png
ND25FW4 (nude 18mm)
SS10F8414G10_contour_absolute.png
SS10F8414G10

Frequency Response by Angle

GRS PT6816_freq_response_angles.png
GRS PT6816
L22MG (nude)_freq_response_angles.png
L22MG (nude)
ND25FW4 (nude 18mm)_freq_response_angles.png
ND25FW4 (nude 18mm)
SS10F8414G10_freq_response_angles.png
SS10F8414G10

Frequency Response Normalized (0° = ref)

GRS PT6816_freq_response_normalized.png
GRS PT6816
L22MG (nude)_freq_response_normalized.png
L22MG (nude)
ND25FW4 (nude 18mm)_freq_response_normalized.png
ND25FW4 (nude 18mm)
SS10F8414G10_freq_response_normalized.png
SS10F8414G10