Avalon Acoustics Isis Table of Contents

Table of Contents

1	Introduction ............................................................................................................................		4
2 Unpacking Instructions..........................................................................................................			5
		Introduction...........................................................................................................	5
		Contents ................................................................................................................	5
	2.1 Opening the Crate ....................................................................................................		6
	2.2	Installing the Grilles.....................................................................................................	7
		Orientation of the Felt Anti-Diffraction Mask ..................................................	7
	2.3 Replacing Grille Pins ...................................................................................................		7
3	Wiring Instructions ..................................................................................................................		10
		Introduction...........................................................................................................	10
		Connecting the Speaker to the Amplifier .......................................................	10
4 Break-in Period.......................................................................................................................			11
5 Maximizing Performance......................................................................................................			12
		Break-in ..................................................................................................................	12
		Grille Assemblies ...................................................................................................	12
		Speaker Placement and Symmetry .................................................................	12
		Toe-In ......................................................................................................................	13
		Apex™ Couplers ..................................................................................................	13
		First Reflection Points ...........................................................................................	14
		Corner Treatment.................................................................................................	14
6 Care of Your Loudspeakers ..................................................................................................			15
		Cabinet (Hardwood Finish) ................................................................................	15
		Grille Assembly......................................................................................................	15
		Drivers .....................................................................................................................	15
7 Warranty		..................................................................................................................................	16
		In the Event of a Problem ...................................................................................	16
		Warranty Statement ............................................................................................	17
8 Room Acoustics and Speaker Position ...............................................................................			19
		Introduction...........................................................................................................	19
		An Optical Analogy.............................................................................................	20
		Basic Room Acoustics .........................................................................................	20
	8.1 Standing Waves..........................................................................................................		21
	8.2	Flutter Echo..................................................................................................................	22
	8.3	Early Reflections..........................................................................................................	23
		Avoiding Early Reflections ..................................................................................	24
	8.4 Bass reinforcement.....................................................................................................		26
	8.5 Summary of Recommendations .............................................................................		30
		Flutter Echo and Standing Waves ....................................................................	30
		Speaker Placement.............................................................................................	31
		Early Reflections ...................................................................................................	31
	8.6 A Listening Room Example .......................................................................................		32