JL Audio FATHOM ICS-SYS-108 User manual

Enclosure Installation Manual

ICS-SYS-108

ICS-SYS-208

Page 3| Fathom ICS

IMPORTANT SAFETY INSTRUCTIONS

1) Read the Instructions — All safety and operating instructions should be

read before the subwoofer is operated.

2) Retain the Instructions — ese instructions should be retained

for future reference.

3) Heed Warnings — All warnings in these instructions should be followed.

4) Water and Moisture — e enclosure and subwoofer should NOT be used

near water – for example, near a bathtub, washbowl, sink, laundry tub, in a

wet basement, near a swimming pool, etc.

5) Heat and Flames — e enclosure and subwoofer should be situated away

from heat sources such as radiators, heat registers, stoves, replaces, or other

devices which produce heat. Do not place candles nearby.

6) Object or Liquid Entry — Care should be taken so that objects do not fall

into and liquids are not spilled onto the enclosure, subwoofer or grille. Do not

expose to dripping or splashin+g from liquids. Do not place objects lled with

liquids nearby. For example: ower vases, beverages, liquid-fueled lamps, etc.

7) Damage Requiring Service — e subwoofer should be serviced by qualied

service personnel when:

a. the subwoofer does not appear to operate normally or exhibits a marked

change in performance

b. the subwoofer driver’s cone and/or suspension has been

physically damaged

WARNING

THIS SUBWOOFER IS CAPABLE OF PRODUCING VERY HIGH SOUND

PRESSURE LEVELS. PLEASE EXERCISE RESTRAINT IN ITS OPERATION TO

PROTECT YOUR HEARING FROM PERMANENT DAMAGE.

| Fathom ICSPage 4

TABLE OF CONTENTS

Important Safety Instructions: ........................................... 3

Introduction and Overview: ............................................. 4

System Components: ................................................. 5-7

Tools for Installation / Prepping the Work Area: ........................... 8

What Is In e Box?: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Enclosure Mounting Hardware: ......................................... 10

Enclosure Installation Procedure: .................................... 11-31

Grille Installation Procedure: .........................................32-33

Specications: ........................................................ 34

INTRODUCTION

ank you for choosing the JL Audio Fathom In-Ceiling Subwoofer System, also

known as the ICS.

is document contains detailed instructions for the installation of the Fathom

ICS enclosure. Since a portion of the enclosure will be inaccessible aer installation,

we strongly recommend reading these instructions completely before beginning the

installation process. Please note, these instructions are for the installation of one (1)

ICS enclosure. Simply repeat the steps to install additional enclosures.

FATHOM ICS SYSTEM OVERVIEW

e Fathom ICS is oered in two options:

ICS-SYS-108 includes all elements for the installation of one (1) subwoofer.

ICS-SYS-208 includes all elements for the installation of two (2) subwoofers.

Each Fathom ICS System consists of four elements:

ICS-SYS-108 ICS-SYS-208

(1) Enclosure (2) Enclosures

(1) Subwoofer* (2) Subwoofers*

(1) Grille Assembly ** (2) Grille Assemblies**

(1) 300W Amplier ** (1) 600W Amplier **

* Pre-installed in enclosure. ** Not included with enclosure.

Each system includes specialized hardware to ensure proper installation.

Page 5| Fathom ICS

THE ENCLOSURE

e Fathom ICS enclosure utilizes extensive architectural features

aimed at improving rigidity while keeping a very low prole and minimal

wall thickness. A unique port design vents through a slot located at the

perimeter of the driver mount to enhance eciency and low-bass output.

e ICS enclosure is outtted with various spacers and padding in specic

areas, allowing it to only make gentle contact with its surrounding wallboard

surfaces. e placement and amount of pressure applied by these pads is a

critical design aspect to ensure proper t and should not be altered in any

way. Failure to use the proper enclosure and/or alteration of the spacers

and padding will result in loss of performance and unwanted vibrations.

Designed to t most in-ceiling installations, the ICS enclosure includes

mounting hardware to accommodate ceiling cavities with assembled joists

ranging from 16-inches to 25 ½-inches wide on center. While primarily

intended for ceiling applications, the ICS enclosure is also compatible with

in-wall applications with walls constructed with 2 x 6 studs or larger.

Enclosure Dimensions*

40.71 inches x 14.00 inches x 5.13 inches

1,034 mm x 355 mm x 130 mm

*Dimensions listed are approximate and do not include various spacers and padding.

Spacers and

padding will vary to

ensure a proper t.

| Fathom ICSPage 6

THE SUBWOOFER

Derived from JL Audio’s groundbreaking technologies used to develop our

free-standing powered subwoofers, the 8-inch Fathom® ICS subwoofer systems

deliver remarkable bass performance, while remaining largely concealed within

most home audio/theater environments. e 8-inch diameter driver is smaller

and easily integrates into most ceiling and wall cavities, operating through very

small grilles.

THE GRILLE ASSEMBLY

e grille assembly is comprised of a removable outer metal mesh and

grille tray. e grille assembly should be installed only aer the surrounding

wallboard and grille assembly have been painted and the room’s interior is free

of construction debris. A plastic paint guard is included to shield the inner black

section of the grille tray from overspray during painting. e grille tray and

outer metal mesh grille should be painted separately to prevent them from

sticking together.

Two sets of dierent length thumb screws are included with the grille assembly

to t a range of wallboard thicknesses. It is critical to use the correct thumb screw

length for a proper t. Refer to the table below to select the thumb screw length

that is compatible with the wallboard thickness used in your application.

Thumb Screw Length Wallboard Thickness

1.75”

2.5”

1/4-20 x 1.75 in.

1/2 in. to less than 1-1/16 in.

13 mm to less than 27 mm

1.75”

2.5”

1/4-20 x 2.5 in.

1-1/16 in. to less than 1-3/4 in.

27 mm to less than 44 mm

Page 7| Fathom ICS

THE AMPLIFIER

Engineered with powerful features and versatile functionality, the Fathom

SA-600W is a state-of-the-art amplier designed to power a top-ight subwoofer

system in home theater and home audio systems.

Utilizing a precisely-engineered switching power supply, the SA-600W is

capable of eciently generating unclipped output voltages equivalent to 600

watts of RMS power, while remaining calm and stable. Managing all of the

SA-600W’s on-board features is an intuitively designed interface for adjusting

all settings and controls with ease.

| Fathom ICSPage 8

TOOLS FOR INSTALLATION

Below is a list of recommended tools to perform the installation of the Fathom

ICS enclosure. Depending on the specics of your installation, you may need

additional tools, hardware and/or accessories. We also recommend having a

second person to assist with liing the enclosure during in-ceiling installations.

• Safety glasses • Tape measure (100-inch minimum)

• Cordless drill/driver with #2 Phillips bit • Drill bits

• Wire strippers • Utility knife or scissors

• Wire cutters • Right angle driver (optional)

• Pencil or Marker • Drop cloth (optional)

• Masking tape (optional)

PREPPING THE WORK AREA

is manual illustrates installation in new construction homes, however

Fathom ICS enclosures may also be installed in pre-existing construction

applications. When working with pre-existing construction, you will need to

open a ceiling cavity or stud bay to expose the joists or studs on either side of

the opening. For pre-existing construction installations, we recommend using

masking tape and a drop cloth to protect the home’s interior from construction

debris.

WARNING

For your safety, make sure there are no live electrical circuits/conduits

within the ceiling cavity or stud bay prior to beginning the installation.

Page 9| Fathom ICS

WHAT IS IN THE BOX?

Enclosure with

Pre-Attached parts*

(x1)

SKU 152446

SKU 152445

SKU 152444

SKU 152340

SKU 152339

SKU 152315

SKU 152314

* Part A - Wallboard Template

(x1) SKU: 152314

SKU 152446

SKU 152445

SKU 152444

SKU 152340

SKU 152339

SKU 152315

SKU 152314

* Part B: Upper Stud Mount

(x1) SKU: 152315

SKU 152446

SKU 152445

SKU 152444

SKU 152340

SKU 152339

SKU 152315

SKU 152314

* Part C - Lower Stud Mount

(x1) SKU: 152339

SKU 152446

SKU 152445

SKU 152444

SKU 152340

SKU 152339

SKU 152315

SKU 152314

* Part D - Floor Support

(x1) SKU: 152340

LEFT BRACKET

Part E - Left Joist Mounting

Brackets (x2) SKU: 193621

RIGHT BRACKET

Part F - Right Joist Mounting

Brackets (x2) SKU: 193620

SKU 152446

SKU 152445

SKU 152444

SKU 152340

SKU 152339

SKU 152315

SKU 152314

Part G - Extended Upper

Stud Mount (x1) SKU: 152444

SKU 152446

SKU 152445

SKU 152444

SKU 152340

SKU 152339

SKU 152315

SKU 152314

Part H - Extended Lower

Stud Mount (x1) SKU: 152445

SKU 152446

SKU 152445

SKU 152444

SKU 152340

SKU 152339

SKU 152315

SKU 152314

Part I - L-Bracket

Extensions (x2) SKU: 152446

Part J - L-Brackets

(x4) SKU: 153923 Foam Gasket (x1) Terminal Covers (x2)

1.50

1.00

2.00

1.25

#8 x 1.00-inch Pan Head

Screws (x22)

1.50

1.00

2.00

1.25

#8 x 1.50-inch Pan Head

Screws (x18)

1.50

1.00

2.00

1.25

#8 x 2.00-inch Pan Head

Screws (x8)

1.50

1.00

2.00

1.25

#8 x 1.25-inch Wafer Head

Screws (x42)

| Fathom ICSPage 10

ENCLOSURE MOUNTING

HARDWARE

e table at right lists the

correct enclosure mounts to use by

application type (see page 10). Before

proceeding, identify and familiarize

yourself with the appropriate mounts

for your specic installation.

Type Ceiling/Wall

Cavity Width Mount Part Note

IC-1

Joist Width

Range:

16-inches to

17 ½-inches

on center

Upper Stud Mount Part B Pre-Attached

Lower Stud Mount Part C

Left Joist Mounting Brackets (x2) Part E

Right Joist Mounting Brackets (x2) Part F

L-Brackets (x4) Part J

IC-2

Joist Width

Range:

>17 ½-inches to

25 ½-inches

on center

Left Joist Mounting Brackets (x2) Part E

Right Joist Mounting Bracket s(x2) Part F

Extended Upper Stud Mount Part GReplaces

Parts B & C

Extended Lower Stud Mount Part H

L-Bracket Extensions (x2) Part I

Must be cut to

size for joists

>17 ½-inches to

<24-inches on

center

L-Brackets (x4) Part J

IW-1

Stud Width:

16-inches

on center

Upper Stud Mount Part B

Pre-AttachedLower Stud Mount Part C

Floor Support Part D

L-Brackets (x4) Part J

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