JBL Control Control 28 Specifications - page 2
Manual is about: PERFORMANCE SERIES
of
4
c
Control
®
28 High Output Indoor/Outdoor Background/Foreground Speaker
Frequency Response in half-space
(2
p, solid line) and full-space (4p,
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)