MartinLogan Grotto [2/24] Ontents

2 Contents

CONTENTS

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Installation in Brief . . . . . . . . . . . . . . . . . . . . . . . .3

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

About the Controls . . . . . . . . . . . . . . . . . . . . . . . .5

Connections and Control Settings . . . . . . . . . . . . .6

Before Connecting the Grotto

2-Channel Mode

Multi-Channel Mode . . . . . . . . . . . . . . . . . . . . . . . .7

2-Channel/Multi-Channel Mode . . . . . . . . . . . . . . . .8

2-Channel Using Speaker Level Inputs . . . . . . . . . . . .9

2-Channel Mode With 2-Channel Output . . . . . . . .10

Why the Filters Are Not Equal

Sub Out—Using Multiple Grottos . . . . . . . . . . . . . .11

AC Power Connection . . . . . . . . . . . . . . . . . . . . . .12

Replacing the Fuse

Break-In

Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Listening Position

Installing the Grotto in a Cabinet

Ask Your Dealer

Enjoy Yourself

Room Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . .14

Your Room

Terminology

Solid Footing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Home Theater . . . . . . . . . . . . . . . . . . . . . . . . . .16

Grotto Advantages . . . . . . . . . . . . . . . . . . . . . . .17

Servo-Controlled Dynamic Drivers

Low-Pass Filters Maximize Blending

25Hz Level Control

Frequently Asked Questions & Troubleshooting .18

General Information . . . . . . . . . . . . . . . . . . . . . .19

Specifications

Warranty and Registration

Service

Glossary of Audio Terms . . . . . . . . . . . . . . . . . . .20

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22