2. What we are not going to do ×Tell you if your speakers are in the right spot ×Sell you a brand of speakers ×Listen for you

3. What we will try to do Educate You Offer Tips & Techniques Suggest how you listen to your sound system in your environment Q&A

4. What can be changed? PlacementArchitectureSystem Alignment

5. System Alignment Goals Please the Audience Please the Technical Artist Please the Performers & Presenters Eliminate Sound Related Distractions

6. Big Ideas Coverage PatternsInteractions

7. Loudspeaker Interactions What is an interaction? Place Interactions where people will not be Goal is Uniformity

8. Interactions  More Power  Less Clarity  Comb Filtering

9. Coverage Patterns

10. Inverse Square Law Every doubling in distance from an audio source will decrease the SPL level by 6db.

11. Inverse Square Law 20ft 40ft 80ft 100db 94db 88db

12. Inverse Square Law 30ft 100db 60ft 94db

13. Speaker Coverage Patterns Speaker

14. Vertical Coverage 30’60’ 120’ 100db 94db 88db -3db 97db -6db 82db -9db 91db -6db 88db

15. Horizontal Coverage

17. Coverage Patterns Spokes on the Wheel Concept Stereo vs. Mono

18. Horizontal Coverage

19. Subwoofers Coupling Bunkers Image Distortion

20. EQ New Technology + Better Understanding = Clean Slate Speakers  Room Resonances  You cannot EQ time  Speaker Coupling in Lower Freqs  EQ is the final piece of the puzzle

21. Professional Help Training & Experience Analysis Measurement Equipment Research by visiting venues they have tuned and listen Ask questions

22. Q&A