JBL Professional Control 28 Car Speaker User Manual


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᭤ Control
®
28 High Output Indoor/Outdoor Background/Foreground Speaker
Frequency Response in half-space
(2␲, solid line) and full-space (4␲,
dotted line), and Input Impedance
Beamwidth
Directivity Index, Q
Horizontal Off Axis Frequency Response
Vertical Off Axis Frequency Response (up)
Vertical Off Axis Frequency Response (down)
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