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Gradient Helsinki 1.5

Vertical Directivity Measurements

Click on a picture to enlarge.


Frequency Response Plots

 

Gradient Helsinki 1.5 V Freq Resp Plot Q1

Frontal Positive Angles

Gradient Helsinki 1.5 V Freq Resp Plot Q2

Rear Positive Angles

Gradient Helsinki 1.5 V Freq Resp Plot Q3

Rear Negative Angles

Gradient Helsinki 1.5 V Freq Resp Plot Q4

Frontal Negative Angles

 

Waterfall Plots

 

Gradient Helsinki 1.5 V Waterfall Plot Q1

Frontal Positive Angles

Gradient Helsinki 1.5 V Waterfall Plot Q2

Rear Positive Angles

Gradient Helsinki 1.5 V Waterfall Plot Q3

Rear Negative Angles

Gradient Helsinki 1.5 V Waterfall Plot Q4

Frontal Negative Angles

 

Polar and Contour Plots

 

Gradient Helsinki 1.5 V Polar Plot

Full Polar Plot

Gradient Helsinki 1.5 V Contour Plot

Full Contour Plot

 

Note: Positive (negative) angles define the region of space above (below) the loudspeaker.