1 Sound Contour CT28 Manuel utilisateur

Contour CT28 Wall & Ceiling Installation

Contents

Chapter 1. Contour CT28....................................................................3

CT28 Specifications........................................................................3

Chapter 2. Accessories.......................................................................4

CT28 Wall Bracket......................................................................... 4

.................................................................................................4

CT28 Horizontal Mounting Bracket................................................ 4

.................................................................................................4

CT28 Angle Bar..............................................................................4

.................................................................................................4

Chapter 3. Installing CT28 on the Wall Bracket................................5

Critical information..........................................................................5

Products, accessories and tools required...................................... 5

Procedures......................................................................................5

Disassembling the CT28 Wall Bracket....................................5

Installing the Tilt Arm assembly on the CT28....................... 10

Installing redundant safety anchors...................................... 14

Installing the Wall Bracket to the wall...................................15

Installing and pointing CT28 on the Wall Bracket..................18

Attaching a safety bridle........................................................21

Chapter 4. Installing CT28 on the Horizontal Mounting Bracket....22

Critical information........................................................................22

Products, accessories and tools required.................................... 22

Procedures....................................................................................22

Disassembling the Horizontal Mounting Bracket...................22

Installing the Horizontal Bracket on the CT28.......................23

Installing redundant safety anchors...................................... 26

Installing the Horizontal Bracket to the wall.......................... 27

Installing and pointing CT28 on the Horizontal Mounting

Bracket...................................................................................30

Attaching a safety bridle........................................................33

Chapter 5. Installing CT28 on the Horizontal Mounting Bracket and

Angle Bar............................................................................................35

Critical Information........................................................................35

Products, accessories and tools required.................................... 35

Procedures....................................................................................35

Disassembling the Horizontal Mounting Bracket...................35

Installing the Horizontal Bracket on the CT28.......................36

Installing redundant safety anchors...................................... 39

Installing the Angle Bar.........................................................40

Mounting and pointing the CT28...........................................45

Attaching a safety bridle........................................................49

Chapter 1. Contour CT28

Horn-Loaded Point Source Speaker Enclosure

Figure 1. Contour CT28

The Contour CT28 is a compact, 3-way passive loudspeaker capable of

delivering a maximum SPL of 140 dB. This is a powerful speaker that

sounds intimate at lower volumes.

The Contour combines two 8" low-frequency drivers and a coaxial 4" +

2.5" mid-high compression driver in a horn-loaded point-source

enclosure that delivers a controlled 100° x 50° coverage down to 200

Hz, with a bass response down to 70 Hz. It is a medium-to-long throw

point-source that maintains its directivity in the far field.

With its compact format coupled with its versatile accessories, this

loudspeaker is useful for small to large installations and live production

audio.

CT28 Specifications

Table 1. CT28 Specifications

Description Passive, compact, 3-way loudspeaker, lightweight horn-

loaded point source

Bandwidth 70 Hz - 18 kHz (-6 dB preset dependent)

Max SPL 140 dB @ 1 m with preset

Power 1780 W (program)

Directivity 100° × 50°

Elements (2) 8" low frequency drivers, (1) 4" + 2.5" coaxial mid-high

compression driver

Impedance 8 Ω

Connectors (2) NL4 audio input and link, (1) Neutrik NDL dummyPLUG

IP Rating IP55 indoor/outdoor and salt water resistant

Rigging (8) M5 points, (4) M6 points

Weight 44 lbs / 20 kg

Construction

Construction: Finland birch plywood (urea glue), matte salt

and UV resistant polyurea coating, 316 stainless steel and

aluminum

Dimensions 13.6" (345 mm) x 13.6" (345 mm) x 20" (510 mm)

Colors Stocking black and white, custom colors and fabrics avail

able

Accessories

CT28 Horizontal Mounting Bracket, CT28 Angle Bar, CT28

Wall Bracket, CT28 Fly Bar, CT28 Rigging System, Tube

Mount, Active Speaker Stand and Tubes, removable mag

netic front grille [included]

Chapter 2. Accessories

CT28 Wall Bracket

Wall-mount bracket with tilt and pan adjustment

Figure 2. CT28 Wall Bracket

This bracket attaches to the rear of the Contour CT28 enclosure and

mounts to a wall. It allows for variable positioning on both the horizontal

and vertical axes. The vertical positioning can be tilted down to 25°. The

bracket is made from stainless steel 316, or galvanized zinc plated steel

with black or white powder coating.

The kit includes:

•The fully assembled Wall Bracket

CT28 Horizontal Mounting Bracket

Wall- or ceiling-mount bracket with tilt adjustment

Figure 3. Horizontal Mounting Bracket

This bracket is for horizontal installation of a CT28 on a wall, allowing

for vertical aiming on a wall. It can also be used for ceiling mounting,

facilitating both vertical and horizontal positioning. The bracket is made

from stainless steel 316, or galvanized zinc plated steel with black or

white powder coating.

The bracket can be used together with the CT28 Angle Bar, allowing

CT28 to be positioned flush to the wall or ceiling, or extend the tilt up to

a maximum of 75° away from the wall or ceiling.

The kit includes:

•The fully assembled Horizontal Bracket

CT28 Angle Bar

Angled extension for the Horizontal Mounting Bracket

Figure 4. The CT28 Angle Bar

The Angle Bar attaches to the Horizontal Bracket in order to extend the

tilt angle. It can either extend the tilt angle so the CT28 is flush to the

wall or the ceiling to which it is mounted, or it can allow a range of tilt

angle from 15° to 75° away from the wall or ceiling. The bar is made from

stainless steel 316, or galvanized zinc plated steel with black or white

powder coating.

The kit includes:

•The angle bar

•4 × M8×20 bolts

•4 × M8 stainless steel lock nuts

Chapter 3. Installing CT28 on the

Wall Bracket

Critical information

Attention: This wall-mount bracket is intended for installation by

qualified professionals.

Notice: Please read these instructions carefully and completely

before attempting installation.

WARNING

Improper installation or suspension of any heavy load

can result in death or serious injury to persons, as well

as damage to property.

It is the responsibility of the installation personnel to

verify and guaranty the reliability and safety of the

installation.

Notice: This product must be installed in compliance with all

applicable local, state and national regulatory provisions. The

responsibility rests with the installer to verify that the installation

is carried out in accordance with any applicable legislation.

Important: The installer must assess the appropriate stability

andsturdinessofthe mountingsurface. Inthe caseof wall-mount

and ceiling-mount brackets, this includes, but is not limited to

verifying the positions of suitable studs in the case of drywall

mounts, hollow points in concrete block or solid concrete, as well

as the presence and vicinity of electrical wiring or plumbing.

Restriction: Only hardware and accessories included with

the product or specified by 1 Sound should be used for its

installation.

Restriction: Do not modify or alter the loudspeaker or any

accessory. Any modification by the user or installer could render

the product or the installation unsafe.

Restriction: Do not install a loudspeaker or any accessory near

any open flame or heat source.

Products, accessories and tools required

To install a CT28 enclosure permanently on a wall or surface using the

Horizontal Mounting Bracket, you will need the following:

•A CT28 loudspeaker enclosure

•The CT28 Wall Bracket kit

•An appropriate power drill and bit for the installation surface

material

•A 4 mm hex driver and/or a 4 mm hex wrench (Allen)

•A 5 mm hex wrench (Allen)

•A 3 mm hex wrench (Allen)

•Medium-duty mounting screws or bolts appropriate to the

mounting surface (coach screws for drywall studs, concrete

screw anchors for concrete or masonry, etc.); screws and bolts

should have a flanged head or a coupled washer ø14-16 mm in

order to retain the mounting plate

•Appropriate tools for securing the aforementioned fasteners

(power screwdriver etc.)

•A Torque wrench

•Optional: a short two-leg steel wire rope bridle, 2 × M5 lifting eye

bolt (shouldered type); eye bolt spanner or driver

•Recommended: pencil or marker, spirit level, stud finder

Procedures

Disassembling the CT28 Wall Bracket

The Wall Bracket ships fully assembled, but to facilitate installation, it

should first be separated into two parts, the bracket arm with the tilt

mechanism, and the wall-mounted yoke with the pan-fixing mechanism.

Before disassembly, be sure to note the proper interlocking configuration

of the Bracket; this will remove doubts when it is time to reassemble the

bracket.

Figure 5. The CT28 Wall Bracket.

CONTOUR CT28 WALL & CEILING INSTALLATION

Figure 6. Removing the bottom M4 pan-lock bolt.

•Use a 3 mm hex wrench to loosen and remove the M4×16 mm

pan-lock bolt from the bottom of the bracket. Be sure to keep

this bolt, as it will be necessary to fix the pan angle when the

installation is completed.

Figure 7. Removing the top M4 pan-lock bolt.

•Repeat the previous step on the top end of the bracket.

| 3 - INSTALLING CT28 ON THE WALL BRACKET

Figure 8. Removing the bottom M8 pivot bolt.

•Then use a 5 mm hex wrench to remove the M8×25 mm pivot

bolt and its washer from the top of the bracket. Again, be sure

to keep these bolts and washers, as they will be necessary to

complete the installation.

Figure 9. Removing the top M8 pivot bolt.

•Likewise, remove the M8×25 mm pivot bolt and its washer from

the bottom of the bracket, and keep them for the installation.

CONTOUR CT28 WALL & CEILING INSTALLATION

Figure10. Separating the tilt assembly from the wall

yoke.

•The tilt assembly should come away from the yoke.

Note: Before mounting the tilt assembly to the CT28 enclosure,

it is recommended that you unlock the tilt mechanism to ensure

that it moves properly.

Figure 11. Loosening the tilt-lock bolt.

| 3 - INSTALLING CT28 ON THE WALL BRACKET

Figure 12. Removing the tilt-lock bolt.

•First, loosen and remove the tilt-lock bolt using a 5 mm hex

wrench.

Figure 13. Verifying the movements of the tilt

mechanism.

•Swing down the tilt arm to verify the free movement of the

components of the tilt mechanism. As the rotating bracket and

the tilt arm move with respect to each other, the moving cam

should slide up and down the tilt arm and within the rotating

bracket with negligible resistance. IF THE MECHANISM

MOVES WITHOUT BINDING, PROCEED DIRECTLY TO

INSTALLINGTHE ASSEMBLY ONTHECT28. (on page10)

•If the tilt arm does not move, first inspect the entire mechanism

to verify that no components seem damaged or bent. If it

does appear damaged in some way, replace the entire mount

immediately.

CONTOUR CT28 WALL & CEILING INSTALLATION

Figure 14. Verifying the movement of the cam in the

tilt arm.

•If there appears to be no damage, and the bracket continues to

bind, use a 3 mm hex wrench to verify that the three screws that

hold the moving cam in the guide slot on the inside of tilt arm

are not too loose or not overly tightened. DO NOT REMOVE

THESE SCREWS, but only verify that they are tight enough to

keep the cam in the guide without rattling, but not so tight as to

impede the movement of the cam in the slot.

•If the mechanism does not move freely with negligible

resistance, the entire mount should be replaced.

Installing the Tilt Arm assembly on the CT28

Once the Wall Bracket tilt assembly has been separated from the wall-

mounted yoke, it can be easily attached to the CT28 enclosure.

Figure 15. The rear panel of the CT28 with the

mounting points for the bracket indicated.

•Lay the enclosure on its front grille, taking whatever necessary

precautions to avoid damaging the finish of the cabinet or the

grille.

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