
Table of Contents
1 Introduction.........................................................................................................................5
2 Unpacking Instructions.......................................................................................................6
Introduction ........................................................................................................6
Contents..............................................................................................................6
2.1 Opening the Crate..................................................................................................7
2.2 Installing the Grilles...................................................................................................8
Orientation of the Felt Anti-Diffraction Mask.................................................8
2.3 Replacing Grille Pins .................................................................................................8
3 Wiring Instructions ...............................................................................................................11
Introduction ........................................................................................................11
Connecting the Speaker to the Amplifier......................................................11
4 Break-in Period....................................................................................................................12
5 Maximizing Performance ...................................................................................................13
Break-in................................................................................................................13
Grille Assemblies.................................................................................................13
Speaker Placement and Symmetry................................................................13
Toe-In ...................................................................................................................14
Apex™ Couplers................................................................................................14
First Reflection Points .........................................................................................15
Corner Treatment...............................................................................................15
6 Care of Your Loudspeakers................................................................................................16
Cabinet (Hardwood Finish) ..............................................................................16
Grille Assembly ...................................................................................................16
Drivers...................................................................................................................16
7 Warranty ..............................................................................................................................17
In the Event of a Problem.................................................................................17
Warranty Statement..........................................................................................18
8 Room Acoustics and Speaker Position .............................................................................20
Introduction ........................................................................................................20
An Optical Analogy...........................................................................................21
Basic Room Acoustics.......................................................................................21
8.1 Standing Waves .......................................................................................................22
8.2 Flutter Echo ...............................................................................................................23
8.3 Early Reflections .......................................................................................................24
Avoiding Early Reflections ................................................................................25
8.4 Bass reinforcement ..................................................................................................27
8.5 Summary of Recommendations............................................................................31
Flutter Echo and Standing Waves...................................................................31
Speaker Placement...........................................................................................32
Early Reflections .................................................................................................32
8.6 A Listening Room Example.....................................................................................33