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Dayton Audio CX120-8 - 4-Inch Coaxial - 8 ohm nominal
Half-Space measurements taken on my turntable mounted IEC Style Baffle jig. Woofer in a heavily damped 1cuft sealed rear chamber.
The On/Off axis measurements were taken at 1.41v / 50cm (equivalent to 2.83v/1m or nominal 1w/1m level).
Distortion measurements taken at 20cm - level specified in measurements
Frequency response measurements are gated at 6ms. Smoothing applied is 1/48th octave. Woofer frequency response blended to nearfield measurement below 400Hz.
Note: since this is a coaxial the measurements have been broken up into two parts, woofer first then tweeter.
T/S Specs from DATS v2:
CX120-8 Woofer Measurements:
CX120-8 Woofer Measurements:
Half Space On/Off Axis Measurements:
Half Space On/Off Axis Measurements - Normalized to On-Axis:
Directivity Sonogram:
CX120-8 Tweeter Measurements:
CX120-8 Tweeter Measurements:
Half Space On/Off Axis Measurements:
Half Space On/Off Axis Measurements - Normalized to On-Axis:
Note - Ambient background noise caused the weird artifacts below 500Hz since this tweeter has very little output at those frequencies. It should ignored.
Directivity Sonogram:
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