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.

Synthetic CDSL Design

Multi-candidate synthetic CDSL optimization from Juan baffleless driver measurements, with IIR filters, polar plots, and LX521 comparison.

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 Driver Measurements

8 Drivers - Full 360 deg coverage

Juan driver measurements with front/rear polar data, including baffleless and cylindrical-baffle captures.

Polar & Directivity

Frequency Response by Angle

Contour Plots (Normalized)

Contour Plots (Absolute)

Measurement Details

GRS PT6816 L10NEO L22MG (nude) L26RO4Y MU10RB-SL ND25FW4 (nude 18mm) SS10F8414G10 SS10F8424G00

Juan LX521 Top-Baffle Raw Measurements

3 Drivers - Full 360 deg coverage

50 cm front/rear polar measurements of L22MG and L10NEO mounted in the LX521 top baffle with no crossover/EQ, plus a raw L22MG+L10NEO+tweeter stack captured at L22MG microphone height.

Polar & Directivity

Frequency Response by Angle

Contour Plots (Normalized)

Contour Plots (Absolute)

Measurement Details

L10NEO (LX521 top raw) L22MG (LX521 top raw) L22MG+L10NEO+Tweeters (LX521 top raw)

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 Driver Measurements (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)
L10NEO Polar
L10NEO (360 deg)
L22MG (nude) Polar
L22MG (nude) (360 deg)
L26RO4Y Polar
L26RO4Y (Woofer) (360 deg)
MU10RB-SL Polar
MU10RB-SL (Upper Mid) (360 deg)
ND25FW4 (nude 18mm) Polar
ND25FW4 (nude 18mm) (360 deg)
SS10F8414G10 Polar
SS10F8414G10 (360 deg)
SS10F8424G00 Polar
SS10F8424G00 (Upper Mid) (360 deg)

Contour Plots (Normalized)

GRS PT6816_contour_normalized.png
GRS PT6816
L10NEO_contour_normalized.png
L10NEO
L22MG (nude)_contour_normalized.png
L22MG (nude)
L26RO4Y_contour_normalized.png
L26RO4Y (Woofer)
MU10RB-SL_contour_normalized.png
MU10RB-SL (Upper Mid)
ND25FW4 (nude 18mm)_contour_normalized.png
ND25FW4 (nude 18mm)
SS10F8414G10_contour_normalized.png
SS10F8414G10
SS10F8424G00_contour_normalized.png
SS10F8424G00 (Upper Mid)

Contour Plots (Absolute)

GRS PT6816_contour_absolute.png
GRS PT6816
L10NEO_contour_absolute.png
L10NEO
L22MG (nude)_contour_absolute.png
L22MG (nude)
L26RO4Y_contour_absolute.png
L26RO4Y (Woofer)
MU10RB-SL_contour_absolute.png
MU10RB-SL (Upper Mid)
ND25FW4 (nude 18mm)_contour_absolute.png
ND25FW4 (nude 18mm)
SS10F8414G10_contour_absolute.png
SS10F8414G10
SS10F8424G00_contour_absolute.png
SS10F8424G00 (Upper Mid)

Frequency Response by Angle

GRS PT6816_freq_response_angles.png
GRS PT6816
L10NEO_freq_response_angles.png
L10NEO
L22MG (nude)_freq_response_angles.png
L22MG (nude)
L26RO4Y_freq_response_angles.png
L26RO4Y
MU10RB-SL_freq_response_angles.png
MU10RB-SL
ND25FW4 (nude 18mm)_freq_response_angles.png
ND25FW4 (nude 18mm)
SS10F8414G10_freq_response_angles.png
SS10F8414G10
SS10F8424G00_freq_response_angles.png
SS10F8424G00

Frequency Response Normalized (0° = ref)

GRS PT6816_freq_response_normalized.png
GRS PT6816
L10NEO_freq_response_normalized.png
L10NEO
L22MG (nude)_freq_response_normalized.png
L22MG (nude)
L26RO4Y_freq_response_normalized.png
L26RO4Y
MU10RB-SL_freq_response_normalized.png
MU10RB-SL
ND25FW4 (nude 18mm)_freq_response_normalized.png
ND25FW4 (nude 18mm)
SS10F8414G10_freq_response_normalized.png
SS10F8414G10
SS10F8424G00_freq_response_normalized.png
SS10F8424G00

Static Plots - Juan LX521 Top-Baffle Raw Measurements (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)
L10NEO (LX521 top raw) Polar
L10NEO (LX521 top raw) (Upper Mid - mounted raw) (360 deg)
L22MG (LX521 top raw) Polar
L22MG (LX521 top raw) (Lower Mid - mounted raw) (360 deg)
L22MG+L10NEO+Tweeters (LX521 top raw) Polar
L22MG+L10NEO+Tweeters (LX521 top raw) (Raw top-baffle stack) (360 deg)

Contour Plots (Normalized)

L10NEO (LX521 top raw)_contour_normalized.png
L10NEO (LX521 top raw) (Upper Mid - mounted raw)
L22MG (LX521 top raw)_contour_normalized.png
L22MG (LX521 top raw) (Lower Mid - mounted raw)
L22MG+L10NEO+Tweeters (LX521 top raw)_contour_normalized.png
L22MG+L10NEO+Tweeters (LX521 top raw) (Raw top-baffle stack)

Contour Plots (Absolute)

L10NEO (LX521 top raw)_contour_absolute.png
L10NEO (LX521 top raw) (Upper Mid - mounted raw)
L22MG (LX521 top raw)_contour_absolute.png
L22MG (LX521 top raw) (Lower Mid - mounted raw)
L22MG+L10NEO+Tweeters (LX521 top raw)_contour_absolute.png
L22MG+L10NEO+Tweeters (LX521 top raw) (Raw top-baffle stack)

Frequency Response by Angle

L10NEO (LX521 top raw)_freq_response_angles.png
L10NEO (LX521 top raw)
L22MG (LX521 top raw)_freq_response_angles.png
L22MG (LX521 top raw)
L22MG+L10NEO+Tweeters (LX521 top raw)_freq_response_angles.png
L22MG+L10NEO+Tweeters (LX521 top raw)

Frequency Response Normalized (0° = ref)

L10NEO (LX521 top raw)_freq_response_normalized.png
L10NEO (LX521 top raw)
L22MG (LX521 top raw)_freq_response_normalized.png
L22MG (LX521 top raw)
L22MG+L10NEO+Tweeters (LX521 top raw)_freq_response_normalized.png
L22MG+L10NEO+Tweeters (LX521 top raw)