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• 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 

• 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

CAUTION

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

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

CAUTION

Summary of Contents for F-2852C

Page 1: ...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 ins...

Page 2: ...ck If you detect smoke or a strange smell coming from the unit If no tone sounds Avoid installing the unit in humid or dusty locations in locations exposed to the direct sunlight near the heaters or i...

Page 3: ...position directly under the speaker but also over a wide radius Coverage angle is approximately 110 Because the speaker is provided with both low and high impedance operating capability it can be use...

Page 4: ...9 41 64 Side Detachable input connector Safety wire hook Rear Ceiling mounting Ceiling panel Ceiling reinforcement ring accessory Mounting hole 250 9 27 32 Max 37 1 29 64 Max 200 7 7 8 Front grille a...

Page 5: ...minal to be used Direct mounting to a ceiling panel Use the supplied ceiling reinforcement ring Mounting to a ceiling frame Use the supplied ceiling reinforcement ring in conjunction with the optional...

Page 6: ...ling reinforcement ring accessory Reinforcement ring placed on ceiling panel These tabs must face upward away from the hole Step 3 Install mounting hardware on the ceiling 3 1 Direct mounting to a cei...

Page 7: ...o damage resulting in possible personal injury Tweeter section Tweeter section Mounting hole Step 5 Make speaker cable connection 5 1 Plug the wired detachable input connector into the speaker s wirin...

Page 8: ...ng notches in the unit then rotate the grille to full stop in the direction indicated by the LOCK arrow Tip The front grille employs a double locking system that clicks into place once partway through...

Page 9: ...lockwise to full stop then lightly pull it downward Tip The front grille employs a double locking system If the grille cannot be detached when lightly pulled downward it likely has not yet been fully...

Page 10: ...try If an extremely high input level is fed to the unit the protection circuitry automatically cuts off the signal to the speaker element A drastic reduction in sound volume indicates that the protect...

Page 11: ...W 170 3 7 W 330 1 9 W 670 0 9 W 3 3 k 0 2 W 16 8 Sound Pressure Level 91 dB 1 W 1 m Frequency Response 60 20 000 Hz 10 dB 45 20 000 Hz 20 dB at installation in 1 2 free sound field Measured by instal...

Page 12: ...raceability Information for Europe EMC directive 2004 108 EC Manufacturer TOA Corporation 7 2 1 Minatojima Nakamachi Chuo ku Kobe Hyogo Japan Authorized representative TOA Electronics Europe GmbH Sued...

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