Extron SF 10C SUB Manuel utilisateur

Marque: Extron

Modèle: SF 10C SUB

Taper: Manuel utilisateur

Ce manuel convient également à

subwoofer

User Guide

SF 10C SUB

Speakers

Ceiling-mounted Subwoofer

68-2870-01 Rev. C

10 20

Safety Instructions

Safety Instructions • English

WARNING: This symbol, , when used on the product, is intended to

alert the user of the presence of uninsulated dangerous voltage within

the product’s enclosure that may present a risk of electric shock.

ATTENTION: This symbol, , when used on the product, is intended

to alert the user of important operating and maintenance (servicing)

instructions in the literature provided with the equipment.

For information on safety guidelines, regulatory compliances, EMI/EMF

compatibility, accessibility, and related topics, see the Extron Safety and

Regulatory Compliance Guide, part number 68-290-01, on the Extron website,

www.extron.com.

Sicherheitsanweisungen • Deutsch

WARUNG: Dieses Symbol auf demProdukt soll den Benutzer darauf

aufmerksam machen, dass im Inneren des Gehäuses dieses Produktes

gefährliche Spannungen herrschen, die nicht isoliert sind und die einen

elektrischen Schlag verursachen können.

VORSICHT: Dieses Symbol auf dem Produkt soll dem Benutzer in

der im Lieferumfang enthaltenen Dokumentation besonders wichtige

Hinweise zur Bedienung und Wartung (Instandhaltung) geben.

Weitere Informationen über die Sicherheitsrichtlinien, Produkthandhabung,

EMI/EMF-Kompatibilität, Zugänglichkeit und verwandte Themen finden Sie in den

Extron-Richtlinien für Sicherheit und Handhabung (Artikelnummer

68-290-01) auf der Extron-Website, www.extron.com.

Instrucciones de seguridad • Español

ADVERTENCIA: Este símbolo, , cuando se utiliza en el producto, avisa

al usuario de la presencia de voltaje peligroso sin aislar dentro del

producto, lo que puede representar un riesgo de descarga eléctrica.

ATENCIÓN: Este símbolo, , cuando se utiliza en el producto,

avisa al usuario de la presencia de importantes instrucciones de

uso y mantenimiento estas estan incluidas en la documentación

proporcionada con el equipo.

Para obtener información sobre directrices de seguridad, cumplimiento

de normativas, compatibilidad electromagnética, accesibilidad y temas

relacionados, consulte la Guía de cumplimiento de normativas y seguridad de

Extron, referencia 68-290-01, en el sitio Web de Extron, www.extron.com.

Instructions de sécurité • Français

AVERTISSEMENT : Ce pictogramme, , lorsqu’il est utilisé sur le

produit, signale à l’utilisateur la présence à l’intérieur du boîtier du

produit d’une tension électrique dangereuse susceptible de provoquer

un choc électrique.

ATTENTION : Ce pictogramme, , lorsqu’il est utilisé sur le produit,

signale à l’utilisateur des instructions d’utilisation ou de maintenance

importantes qui se trouvent dans la documentation fournie avec

l’équipement.

Pour en savoir plus sur les règles de sécurité, la conformité à la réglementation,

la compatibilité EMI/EMF, l’accessibilité, et autres sujets connexes, lisez les

informations de sécurité et de conformité Extron, réf. 68-290-01, sur le site

Extron, www.extron.com.



Trademarks

All trademarks mentioned in this guide are the properties of their respective owners.

The following registered trademarks (

) and registered service marks (

) are the property of RGBSystems, Inc. The trademarks (

) are the property of

RGBSystems, Inc. or Extron (see the current list of trademarks on the Terms of Use page at www.extron.com):

Registered Trademarks

(

)

Extron, Cable Cubby, ControlScript, CrossPoint, DTP, eBUS, EDID Manager, EDID Minder, eLink, Flat Field, FlexOS, Glitch Free, GlobalConfigurator,

GlobalScripter, GlobalViewer, Hideaway, HyperLane, IPIntercom, IPLink, KeyMinder, LinkLicense, LockIt, MediaLink, MediaPort, NAV,

NetPA, PlenumVault, PoleVault, PowerCage, PURE3, Quantum, ShareLink, Show Me, SoundField, SpeedMount, SpeedSwitch, StudioStation,

SystemINTEGRATOR, TeamWork, TouchLink, V-Lock, VideoLounge, VN-Matrix, VoiceLift, WallVault, WindoWall, XPA, XTP, XTPSystems, and ZipClip

Registered Service Mark

(SM)

: S3 Service Support Solutions

Trademarks

(

™

)

AAP, AFL (Accu-RATEFrameLock), ADSP(Advanced Digital Sync Processing), Auto-Image, AVEdge, CableCover, CDRS(ClassD Ripple

Suppression), Codec Connect, DDSP(Digital Display Sync Processing), DMI (DynamicMotionInterpolation), DriverConfigurator, DSPConfigurator,

DSVP(Digital Sync Validation Processing), EQIP, Everlast, FastBite, Flex55, FOX, FOXBOX, IP Intercom HelpDesk, MAAP, MicroDigital, Opti-Torque,

PendantConnect, ProDSP, QS-FPC(QuickSwitch Front Panel Controller), RoomAgent, Scope-Trigger, SIS, SimpleInstructionSet, Skew-Free,

SpeedNav, Triple-Action Switching, True4K, True8K, Vector™ 4K, WebShare, XTRA, and ZipCaddy

FCC Class A Notice

This equipment has been tested and found to comply with the limits for a Class A digital

device, pursuant to part15 of the FCC rules. The ClassA limits provide reasonable

protection against harmful interference when the equipment is operated in a commercial

environment. This equipment generates, uses, and can radiate radio frequency energy and,

if not installed and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a residential area is

likely to cause interference. This interference must be corrected at the expense of the user.

NOTE: For more information on safety guidelines, regulatory compliances, EMI/EMF

compatibility, accessibility, and related topics, see the Extron Safety and Regulatory

Compliance Guide on the Extron website.

VCCI-A Notice

この装置は、クラスＡ情報技術装置です。この装置を家庭環境で使用すると、電波妨害を引き

起こすことがあります。その場合には使用者が適切な対策を講ずるよう要求されることがあります。

ＶＣＣI－Ａ

Conventions Used in this Guide

Notifications

The following notifications are used in this guide:

WARNING: Potential risk of severe injury or death.

AVERTISSEMENT : Risque potentiel de blessure grave ou de mort.

CAUTION: Risk of minor personal injury.

ATTENTION : Risque de blessuremineure.

ATTENTION:

• Risk of property damage.

• Risque de dommages matériels.

NOTE: A note draws attention to important information.

TIP: A tip provides a suggestion to make working with the application easier.

Specifications Availability

Product specifications are available on the Extron website, www.extron.com.

Extron Glossary of Terms

A glossary of terms is available at http://www.extron.com/technology/glossary.aspx.

viSF 10C SUB • Contents

Contents

Introduction............................................................ 1

About this Guide ................................................. 1

About the SF 10C SUB ...................................... 1

Features ............................................................. 2

Installation .............................................................. 4

Placement Considerations and Acoustical

Reinforcement ................................................... 4

Installation Environment .................................. 4

Acoustical Reinforcement ............................... 5

Mounting the Subwoofer .................................... 6

Suspending in the Ceiling ............................... 6

Installing Long Legs for Vertical Installation

on a Floor .................................................... 10

Installing Short Legs for Horizontal

Installation on a Floor ................................... 13

Mounting the Port Tube .................................... 14

Installing the Grille ............................................. 14

Connection and Operation ................................ 16

Connection ................................................... 16

Operational Considerations ........................... 19

Mounting a NetPA U or XPA U Ampliﬁer to

the SF 10C SUB .............................................. 19

Troubleshooting ................................................ 23

SF 10C SUB • Contents vii

SF 10C SUB • Introduction 1

Introduction

• About this Guide

• About the SF 10C SUB

• Features

About this Guide

This guide describes the Extron SF 10C SUB, a subwoofer, that is typically installed above

a suspended ceiling. This guide describes how to install, operate, and configure the

subwoofer.

About the SF 10C SUB

The SF 10C SUB (see figure1 on the next page) is a plenum-rated, 8 ohm, 4th order

band-pass subwoofer with a tuned bass-reflex port. When installed, the subwoofer is

typically suspended by wires from the structural ceiling above the suspended ceiling. This

avoids unwanted rattling and vibrating in the ceiling tile grid. It features a 10-inch ported

woofer housed within a cylindrical enclosure. A right-angle port on the front of the enclosure

directs the sound waves into the listening area.

The subwoofer has a frequency range of 25 Hz to 160 Hz, -10 dB, half space.

The SF 10C SUB is compatible with any Extron low impedance amplifier with sufficient

output drive power. The unit is UL 2043 Listed for use in air-handling spaces.

The subwoofer is intended for use in a bi-amplified system. Separate amplifiers should

power the low and high frequencies.

ATTENTION:

• The SF 10C SUB is UL Listed for use in plenum airspaces: meets UL 2043 for heat

and smoke release.

• Le SF 10C SUB est certifié UL pour une utilisation dans des espaces de plenum:

il est conforme à la norme UL 2043 relative à l’évacuation de la chaleur et de la

fumée.

• Suitable for use in environmental air space in accordance with Section 300-22(C)

of the National Electrical Code, and Sections 2-128, 12-010(3) and 12-100 of the

Canadian Electrical Code, Part 1, CSA C22.1.

• Adapté à des espaces environnementaux de plenum, conformément à la section

300-22(C) du National Electrical Code américain et aux sections 2-128, 12-010(3)

et 12-100 du Code canadien de l’électricité, Partie 1, CSA C22.1.

• The product has been additionally investigated to UL 2043, “Fire Test for Heat and

Visible Smoke Release for Discrete Products and Their Accessories Installed in

Air-Handling Spaces”.

• Le produit est par ailleurs conforme à la norme UL 2043 « Fire Test for Heat and

Visible Smoke Release for Discrete Products and Their Accessories Installed in

Air-Handling Spaces ».

SF 10C SUB • Introduction 2

DIGITAL MATRIX PROCESSOR

CONFIG

CLIP

EXP LAN USB

SIGNAL

CLIP

SIGNAL

1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 89 10 11 12

ACTIVITY

INPUTS OUTPUTS

DMP 128 Plus

XPA U 1002 SERIES

OVER

TEMP

LIMITER/PROTECT

SIGNAL

POWER AMPLIFIERS

NetPA U 8001 SUB

LIMITER/PROTECT

SIGNAL

OVER

TEMP

mute select

Ext

ron

3PT

ndant

Spea

kers

Extron

DMP 128 Plus C V

Digital Matrix Processor

Extron

XPA U 1002-70V

Power Amplier

Audio

USB Audio

Audio

(Channel 2)

Audio

(Channel 1)

Audio

(Channel 1 and 2 bridged)

Microphone

Table Microphones

Extron

SF 10C SUB

Subwoofer

Extron

NetPA U 8001 SUB

Power Amplier

Figure 1. Typical SF 10C SUB Application

Features

• 10-inch (254 mm) low frequency driver with a tuned port — Designed specifically

for low frequency extension.

• UL 2043 rated, rigid composite enclosure — Enclosure remains out of view when

suspended above the ceiling grid.

• Frequency range: 25 Hz to 160 Hz

• 800 watts continuous program

400 watts continuous pink noise — Power capacity per IEC 60268-5

• 8 ohm operation — Direct low impedance power avoids low frequency transformer

distortion.

• Suspension mounting above the ceiling structure greatly reduces rattle —

Because the unit is physically isolated from the ceiling grid, low frequency vibrations are

not transferred to loose structural components.

• 4th order bandpass enclosure design — High output with controlled and clean low

frequency extension

• No crossover needed when used with SF 26CT, SF 3C LP, or SF 3CT LP ceiling

speakers — Eliminates phase problems at a crossover point.

SF 10C SUB • Introduction 3

• Includes installation and suspension hardware — Four sets of 15-foot (4.6 m)

steel cables with locking adapters are used to raise the SF 10C SUB into place and

suspend it.

• Includes mounting hardware for NetPA Ultra and XPA Ultra power amplifiers

• Includes C-ring and paintable grille — Port output into the room blends in with

ceiling speakers.

• Paintable enclosure — The SF 10C SUB enclosure can be painted with a

plastic-friendly paint.

• Integrated flame arrester for safety — Restricts flammability for plenum installations.

• Optional floor mounting kit — The SMK F SF 10C Plus kit provides legs for both

vertical and horizontal mounting of the SF 10C SUB to a solid surface.

• 5-year parts and labor warranty

SF 10C SUB • Installation 4

Installation

This section describes the installation and the operation of the SF 10C SUB, including:

• Placement Considerations and Acoustical Reinforcement

• Mounting the Subwoofer

• Mounting the Port Tube

• Installing the Grille

• Connection and Operation

• Mounting a NetPA U or XPA U Amplifier to the SF 10C SUB

• Troubleshooting

Placement Considerations and Acoustical Reinforcement

Installation Environment

Ceiling placement

• The speaker is rated for installation in plenum spaces.

• The mounting kit comes with four sets of aircraft cables and cable gripper mounting

hardware for suspending the speaker in a horizontal orientation.

• Mounting holes for mounting using unistruts or all thread rods are provided.

• Isolation grommets are provided that dampen mechanical vibrations from the

subwoofer to the rest of the structure.

• Other than the isolation grommets, the installer must provide the mounting

hardware for unistrut or all thread rod installation.

• The mounting holes can also accept hanger wire.

• The port tube does not isolate the listening space from the installation space.

Bleed-over into adjacent rooms must be taken into consideration.

Placement behind a wall

• When the subwoofer is installed behind a wall, the port tube must be located as close

to the wall surface facing the listening space as possible.

• The drywall facing the subwoofer may need to be removed between the studs on either

side of the unit, in order to bring the port tube as close as possible to the front surface

of the wall. In this case, fire blocks must be run in-between the studs, to seal off the

space above the removed portion of the wall.

• The optional SMK F SF 10C Plus floor mounting kit must be used when the subwoofer

is placed on the floor and must be strapped to a stud.

SF 10C SUB • Installation 5

Acoustical Reinforcement

Depending on where you mount the subwoofer, such as next to a large, rigid, planar

surface, you can achieve some level of acoustical reinforcement (see figure2).

NOTE: At the frequencies at which the subwoofer operates, fiberglass ceiling tiles are

acoustically transparent and offer little acoustical reinforcement.

Corner Mounting

(π/2)

Edge Mounting

(π)

Ceiling Mounting

(2π)

Free Mounting

(4π)

Figure 2. Mounting Locations with Regards to Acoustical Reinforcement

SF 10C SUB • Installation 6

• Corner mounting (see figure2 on the previous page) — The subwoofer is mounted

in a corner of a surface where three surfaces meet, giving reinforcement from all three

surfaces. This option provides the most reinforcement. The port tube should be as close

to the corner as possible for best results.

• Edge mounting (figure2) — The subwoofer is mounted at the edge of a surface

where two surfaces meet, giving reinforcement from both surfaces. This option is as

much as 6 dB less sensitive than corner mounting. The port should be as close to the

edge as possible for best results.

• Ceiling, wall, or floor mounting (figure2) — The subwoofer is mounted in or on a

surface in an area away from any other surface. This option is as much as 12 dB less

sensitive than corner mounting. There is reinforcement from only one surface.

• Free mounting (figure2) — The subwoofer is mounted away from all walls, the floor

and the ceiling. This option is as much as 18 dB less sensitive than corner mounting.

There is no reinforcement from any surface.

Mounting the Subwoofer

The SF 10C SUB can be suspended in a ceiling or rested on the floor.

Suspending in the Ceiling

WARNING:

AVERTISSEMENT :

• Properly suspending equipment requires training and expertise. Improper rigging of

suspended equipment can cause the speaker to fall, resulting in death, personal

injury, equipment damage, and legal liability. Installation must be carried out by fully

qualified installers, in accordance with all required safety codes and standards at

the place of installation.

• Il est indispensable de disposer de compétences techniques pour pouvoir

suspendre l’équipement. Une manipulation incorrecte de l’équipement suspendu

peut provoquer la chute de l’enceinte, entraînant la mort, des lésions corporelles,

des dégâts matériels, et engageant la responsabilité d’un individu. L’installation

doit être effectuée par des installateurs hautement qualifiés, conformément à

l’ensemble des codes et des normes de sécurité réglementaires sur le lieu de

l’installation.

• The legal requirements for suspending equipment vary from country to country.

Extron strongly recommends that you consult your local safety standards office

before installing any product. Extron also recommends that you thoroughly check

any laws and bylaws prior to installation.

• Les conditions juridiques relatives à la suspension d’équipements varient de pays

en pays. Extron vous recommande vivement de consulter les standards de sécurité

en vigueur dans votre pays avant d’installer un produit. Extron vous recommande

également de vérifier minutieusement toute loi et tout règlement avant l’installation.

SF 10C SUB • Installation 7

ATTENTION:

• Installation and service must be performed by authorized personnel only.

• L’installation et l’entretien doivent être effectués par le personnel autorisé

uniquement.

• This unit must be repaired by personnel trained by Extron or returned to Extron for

repair.

• Cette unité doit être réparée par un technicien formé par Extron ou renvoyée à

Extron pour réparation.

The subwoofer can be suspended using the included aircraft cables (see “Aircraft cable

installation”) or, optionally, with threaded rods acquired locally (see Threaded rod

installation on page10).

Aircraft cable installation

Suspend the subwoofer above a false ceiling using the included aircraft cables as follows:

Remove ceiling tile and install suspension cables.

For installation with optional threaded rods, see Threaded rod installation.

1. Determine where the subwoofer is to be suspended and its orientation above the

suspended ceiling.

NOTE: Remember that the sound from the unit is directed out the port. Therefore,

although you can suspend the subwoofer in any horizontal orientation, the port

needs to be pointed into the listening space.

Consider the following as you make this determination:

• Possible acoustical reinforcement (see Acoustical Reinforcement on page5).

• The size (length, width, and height) of the subwoofer.

• The desired location of the woofer port. Ensure that the center of the port tube will

be at least 5-3/16 inches (13.7 cm) from the edge of suspended ceiling tile once

that tile is installed.

NOTE: This positioning ensures that the grille adapter and C-ring fit properly

once installed (see figure3).

Do not install the C-ring

beyond the edge of ceiling tile.

Figure 3. Grille Adapter and C-ring Fit

• Any obstructions above the suspended ceiling that could constrain the orientation

of the suspended subwoofer.

SF 10C SUB • Installation 8

2. At the location where the subwoofer is to be installed, remove as many ceiling tiles as

necessary to install the subwoofer.

NOTE: The number of tiles to remove depends on the height of the structural

ceiling above the suspended ceiling, given the 10-degree spread from the

subwoofer to the structural ceiling.

At an approximate angle of 10 degrees out from each corner of

where the subwoofer will be installed, mark and drill four holes in the

structural ceiling for the suspension cable anchors.

3. Screw a lag eye bolt (or an appropriate anchor) into each hole.

4. Thread the loose end of the suspension cable through the bolt eyehole,

pass the loose end of the cable through the looped end and tighten.

Allow each cable to hang.

Suspend the main subwoofer enclosure from the ceiling

ATTENTION: The SF 10C SUB is heavy, approximately 38 pounds (17 kg), and bulky.

ATTENTION : La SF 10C SUB est lourde, et pèse environ 17 kg (38 livres), et est

volumineuse.

• Use at least two people to install the subwoofer; one person to lift the unit into

position AND to hold it, the second person to fasten the suspension cables.

• Il faut au minimum deux personnes pour installer le caisson de grave ; la première

pour mettre l’unité en place ET la tenir, et la seconde pour raccorder les câbles de

suspension.

• Consider using a scissor-lift or other lifting apparatus rather than a ladder to work

in the ceiling.

• Songez à utiliser une nacelle élévatrice ou tout équipement similaire plutôt qu’une

échelle pour travailler au plafond.

• Do not rest the subwoofer on the ceiling grid, even temporarily.

• Ne posez pas le caisson de grave sur la grille de plafond, même temporairement.

TIP: If a scissor-lift is not available, the speaker can be hoisted using the suspension

cables.

1. Remove the grommets from all four corners of the subwoofer frame (see figure4 on

the next page).

2. Install the included eyebolts into the four holes on the four corners of the subwoofer

frame. Secure the eyebolts in place with the provided locking nuts (figure4).

3. With the help of at least one other person, carefully lift the subwoofer enclosure into the

installation location.

4. Holding a cable gripper, pass the loose end of one of the cables down through one hole

of the gripper. Ensure that about 12 to 15 inches (30 to 38 cm) of cable has exited the

gripper (figure4).

SF 10C SUB • Installation 9

WARNING:

AVERTISSEMENT :

• Maintain at least a 2-inch (5 cm) clearance between the plunger on the cable

gripper and any other object in the ceiling space. This includes the space

between the eyebolt below the gripper and the mounting hardware above the

gripper. If an object strikes the plunger, the cable gripper could disengage and

allow the subwoofer to fall.

• Conservez au minimum 5 cm (2") d’espace libre entre le piston sur le serre-

câble et tout autre objet se trouvant dans l’espace plafond. Il s’agit de l’espace

entre l’anneau de levage sous le serre-câble et le matériel de montage au-

dessus du serre-câble. Si un objet heurte le piston, le serre-câble pourrait se

desserrer et entraîner la chute du caisson de basses.

Thread the cable down through the cable gripper, throug

one of the eyebolts, and back up through the lock.

Cable

Gripper

Plunger

Eyebolt

≥2"

(50 mm)

≥1" (25 mm)

≥2"

(50 mm)

Countersunk

Washer

Locking Nut

(not shown)

Figure 4. Installing the Subwoofer with the Included Steel Cables

5. Pass the loose end of the cable through one of the eye bolts on the subwoofer

enclosure and then through the other hole in the cable gripper. Ensure that at least 1

inch (25 mm) of cable comes through the other end of the gripper.

6. Repeat steps 4 and 5 for each corner.

SF 10C SUB • Installation 10

7. Adjust the cable tension through all cable grippers so that the subwoofer appears level

to the critical eye and to ensure that its bottom brackets will be approximately 1 inch

(2.5 cm) from the top surface of suspended ceiling tile once that tile is installed.

NOTE: The exact height of the subwoofer is not critical at this point. You will make

final adjustments after the grille is installed.

Threaded rod installation

Secure the subwoofer to the structural ceiling using threaded rods as follows:

NOTES:

• Extron recommends 1/4-inch or 3/8-inch diameter threaded rods for installing this

product.

• The threaded rod must be properly secured to the ceiling structure. For example,

properly fasten a unistrut to the ceiling structure and attach threaded rods using

nuts and fender washers.

1. Fasten four threaded rods to the support structure.

Extron recommends fastening the rods to unistruts,

one over each corner of the subwoofer installation

location.

2. Fasten a rod to each corner securing point of the

subwoofer with nuts and fender washers

(see the figure at right).

3. Adjust all the nuts that secure the subwoofer to the

ceiling so that the subwoofer appears level to the

critical eye and to ensure that its bottom brackets will

be approximately 1 inch (2.5 cm) from the top surface

of suspended ceiling tile once that tile is installed.

NOTE: The exact height of the subwoofer

above the ceiling is not critical at this point.

You will make ﬁnal adjustments after the grille

is installed.

Installing Long Legs for Vertical Installation on a Floor

ATTENTION:

• The SF 10C SUB must have firebreaks installed in the wall, above and below it,

when it is protruding through a wall, to meet UL requirements.

• Le SF 10C SUB doit disposer de systèmes coupe-feu installés au mur, au-dessus

et au-dessous de l’unité, lorsqu’elle est placée en saillie du mur, afin de satisfaire

les exigences de l’UL.

• The subwoofer must be securely fastened to the stud or other stationary surface

when mounted in one of the vertical positions.

• En position verticale, le caisson de basses doit être solidement fixé au montant ou

à une autre surface stationnaire.

Insert threaded

rods through holes

on the ends of the

mounting bracket.

Attach washer and nut and secure.

SF 10C SUB • Installation 11

The subwoofer can be set vertically on a floor using the optional SMK F SF 10C Plus floor

mounting kit, as follows:

1. Determine where the subwoofer is to be placed and its orientation (port tube on top or

port tube on the bottom).

NOTES:

• Remember that the sound from the unit is directed out the port. Therefore, the

port needs to be pointed into the listening space.

• To ensure that the Extron grille fits fully into any masking wall or other partition,

the center of the port tube must be at least 5-3/16 inches (13.7 cm) from the

edge of the wall.

• The included grille does not fit if you install the legs on the subwoofer with the

port tube down and place the feet directly on the floor. Consider fabricating a

small platform to lift the subwoofer or otherwise design your own way to dress

the installation to give your installation a finished look (see figure6,

, on the

next page).

• Steps 4, 5, 6, and 9 are necessary only if you are installing the subwoofer in an

adjoining space.

2. Remove the grommets from the holes in the installation bracket.

3. Fasten two legs to each installation bracket using the provided screws and locking nuts,

two on one side of the foot (see figure5,

), and one on the other side (

Figure 5. Installing a Floor Mounting Kit

4. When installing in an adjoining space — On the far side of the wall (outside the

listening space), remove enough wall material so that the subwoofer port tube can be

placed as close to the wall (facing the listening space) as possible.

5. When installing in an adjoining space — On the near side of the wall (inside the

listening space), using the included grille cut-out template, mark where the center of the

port tube faces the installation surface. The center mark must be at least 5-3/16 inches

(13.2 cm) from the edge of the installation surface (see figure3 on page7) if the

grille will be used (see Installing the Grille on page14).

6. When installing in an adjoining space — On the near side of the wall (inside the

listening space), mark and cut the hole in the surface.

7. Place the subwoofer in the desired location.

SF 10C SUB • Installation 12

8. Use the included nylon straps and included accessories, or locally-obtained perforated

metal hanger straps, to secure two of the mounting holes on the top bracket to the

nearest stud or other stationary surface (see figure6,

). Use locally obtained hardware

suitable for the material to which the unit is being secured.

111

Listening Space

Installation Location

(Adjoining Space)

333

222

Nylon

Strap

Screw

Lock

Nut

Washers (2)

Bracket

Figure 6. Securing the Floor-mounted Subwoofer and Installing Fire Breaks

9. When installing in an adjoining space — Ensure that there are fire breaks above and

below the port tube (

) to meet UL requirements. Fabricate them if necessary.

SF 10C SUB • Installation 13

Installing Short Legs for Horizontal Installation on a Floor

The subwoofer can be set horizontally on a floor using the optional SMK F SF 10C Plus floor

mounting kit, as follows:

1. Fasten a foot to each installation bracket using the provided screws and locking nuts

(see figure7 and figure8).

Locking Nuts

Scr

Figure 7. Short Leg Installation

Figure 8. Attaching the Foot

2. Place the subwoofer in the desired location.

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Extron SF 10C SUB Manuel utilisateur

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