Atlantic Technology 224 SB Safety Precautions, For Future Reference, Model 224, 334 and 444 SB

2 Safety Precautions

Model 224, 334 and 444 SB Powered Subwoofer

Safety Precautions Table of Contents

CAUTION: To reduce the risk of electric shock, do not remove the cover (or back). No user serviceable parts inside. Refer to qualified per- sonnel.

WARNING: To reduce the risk of fire or electric shock,do not expose this appliance to rain or moisture.This device generates a fair amount of heat. Make sure nothing blocks the ventilation openings on the top and bottom of the unit.

The lightning flash with arrowhead,with­in an equilateral triangle, is intended to alert the user to the presence of uninsulated­ “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to con-

stitute a risk of electrical shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating maintenance (servicing) instructions in the literature accompanying the appliance.

2Model 224, 334 and 444 SB

3224, 334 and 444 SB Subwoofer Rear Panel

4Clear Filter™ Technology and Other Features

5Connecting Your Subwoofer

5Subwoofer Line Out to Low Level In

5Using the Low Level Output

5Power Connection

6Low Level Connections with One Subout/LFE Output

7Low Level Connections with Two Subout/LFE Outputs

8Placement and Operation

8 System Setup

8Subwoofer Tuning Without an SPL Meter or Test Tones

8How Much is Enough?

9Dual Subwoofer Placement

9Using the Subwoofer Crossover Control

9The Phase Invert Control

9A Word About Bass, Center Channel Modes

and System Set Up

9Care of Your Subwoofer

10Subwoofer Troubleshooting Guide

10Specifications

For Future Reference

Record your serial numbers and date of purchase here:

Model Number

Serial Number

Date of Purchase

The serial number is found on the back panel.

Copyright © 2009 Atlantic Technology International.

Specifications are those in effect at the time of printing. Atlantic Technology reserves the right to change specifications or designs at any time without notice. THX and THX Ultra 2 are registered trademarks of Lucasfilm, Ltd. Dolby Digital, AC-3, Dolby Stereo and Dolby Pro Logic are trademarks of Dolby Laboratories Licensing Corporation.

Model 224, 334 and 444 SB

High Performance Powered Subwoofers

Congratulations on your purchase of an Atlantic Technology powered subwoofer.  A well designed subwoofer,properly integrated into your sys- tem, will enhance your listening pleasure dramatically by providing the bass foundation upon which most music and special effects are built.

These subwoofers are capable of delivering very high output levels and wide dynamic range. When properly placed, these subs will provide smooth in-room bass response down to approximately 25Hz,with a peak SPL of over 102dB in a normal sized room.

Their high-current amplifiers, coupled with their rugged long-throw woofers in sealed enclosures, generate accurate deep bass with a mini- mum of distortion.

Your Atlantic Technology powered subwoofer will smoothly integrate with virtually all brands of loudspeakers on the market. From the rock- solid amplifier to the easily accessible controls, this is one of the most versatile high performance subwoofers you can buy.