TOA Electronics F-2852C User Manual

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INSTRUCTION MANUAL

CEILING SPEAKER SYSTEM

F-2852C

TABLE OF CONTENTS

 

1.

SAFETY PRECAUTIONS ..........................

2

2.

GENERAL DESCRIPTION ........................

3

3.

FEATURES ................................................

3

4.

NOMENCLATURE AND DIMENSIONS ....

4

5.

INSTALLATION .........................................

5

6.

REMOVING THE SPEAKER

 

 

FOR MAINTENANCE .................................

9

7.

REPAINTING THE SPEAKER ..................

10

8.

ABOUT THE INPUT OVERLOAD

 

 

PROTECTION CIRCUITRY ......................

10

9.

SPECIFICATIONS ....................................

11

 

Accessories ...............................................

11

 

Optional Components ................................

11

Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference.

1. SAFETY PRECAUTIONS

Be sure to read the instructions in this section carefully before use.

Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included.

We also recommend you keep this instruction manual handy for future reference.

Safety Symbol and Message Conventions

Safety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result from mishandling. Before operating your product, read this manual first and understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.

WARNING

CAUTION

Indicates a potentially hazardous situation which, if mishandled, could result in death or serious personal injury.

Indicates a potentially hazardous situation which, if mishandled, could result in moderate or minor personal injury, and/or property damage.

WARNING

Leave the installation to your TOA dealer because the installation requires expert knowledge. Improper installation may cause the unit to fall, resulting in personal injury and/or property damage.

Install the unit in a location that can structurally support the weight of the unit and its mounting hardware. Doing otherwise may result in the unit falling down and causing personal injury and/or property damage.

Do not use other methods than specified to mount the unit. Extreme force is applied to the unit and the unit could fall off, possibly resulting in personal injuries.

Attach the safety wire to the unit. If not attached, the unit could fall off, resulting in personal injury.

Tighten each screw securely. Ensure that the unit has no loose joints after installation to prevent accidents that could result in personal injury.

Do not hold the tweeter as a handle to carry the unit. If the tweeter breaks off, the unit falls off, resulting in possible personal injury.

Use the specified mounting hardware in combination. Doing otherwise may cause the unit or component to fall off, resulting in personal injury.

Should the following irregularity be found during use, immediately stop operating the unit and contact your nearest TOA dealer. Further attempt to use under this condition may cause fire or electric shock.

·If you detect smoke or a strange smell coming from the unit

·If no tone sounds

CAUTION

Avoid installing the unit in humid or dusty locations, in locations exposed to the direct sunlight, near the heaters, or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock.

Do not operate the unit for an extended period of time with the sound distorting. This is an indication of a malfunction, which in turn can cause heat to generate and result in a fire.

Avoid touching the unit's sharp metal edge to prevent injury.

2

2. GENERAL DESCRIPTION

The F-2852C is a 2-way, flush-mounted ceiling speaker that offers a wide frequency range and high-quality sound output.

Use of its supplied and optional mounting hardware permits versatile mounting to match a wide range of applications and installation locations.

3. FEATURES

Two-way, bass-reflex speaker system designed to provide a wide frequency range and high power handling capability.

Ideal for locations that have high ceilings or require true-to-life sounds.

Uniform sound output levels are achievable not only in the position directly under the speaker, but also over a wide radius. (Coverage angle is approximately 110°.)

Because the speaker is provided with both lowand high-impedance operating capability, it can be used in many different applications. Front panel-mounted input selector switch permits easy verification and change of current impedance settings, even after installation.

Easy installation. Can be quickly and accurately mounted to ceilings and walls.

Rotating front grille can be installed quickly and conveniently.

Attractive exterior design specially created by an interior designer blends naturally with any architectural space, enhancing the immediate area's sense of harmony.

Optional mounting hardware permits installation in weak ceiling panels.

3

4. NOMENCLATURE AND DIMENSIONS

[Front]

Front grille (accessory)

[Rear]

Safety wire hook

[Ceiling mounting]

Ceiling reinforcement ring (accessory)

Unit: mm (inches)

[Side]

1/32)

 

41/64)

280 (11

 

ø245 (9

ø

 

 

 

 

5/8)

38 (1

1/2)

(23

 

 

 

227 (8 15/16)

 

 

Approx.600

Safety wire (accessory)

Detachable input connector

Mounting hole: ø250 (9 27/32)

29/64)

 

 

 

7/8)

 

Max. 37 (1

 

Max. 200 (7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ceiling panel

4

+ 8 hidden pages