JBL LSR Owner's Manual page 21

Impulse Response
LSR28P Response Curves
Acoustic Contribution
1. On-Axis Response
2. Spatially Averaged Response over
a range of +/- 30° Horizontal &
+/- 15° Vertical
3. First Reflection Sound Power
4. Total Radiated Sound Power
5. DI of On-Axis Response
6. DI of First Reflections
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