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Toa F-2852C2 Instruction Manual

Toa f-2852c2: user guide
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CEILING SPEAKER SYSTEM

TABLE OF CONTENTS

1. SAFETY PRECAUTIONS ................................................. 2
2. GENERAL DESCRIPTION ............................................... 3
3. FEATURES ....................................................................... 3
4. NOMENCLATURE AND DIMENSIONS ........................... 4
5. INSTALLATION ................................................................ 5
FOR MAINTENANCE ...................................................... 10
7. REPAINTING THE SPEAKER ........................................ 11
PROTECTION CIRCUITRY ............................................. 11
9. SPECIFICATIONS ........................................................... 12
Accessories ..................................................................... 12
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.
INSTRUCTION MANUAL
F-2852C2

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Summary of Contents for Toa F-2852C2

  • Page 1: Table Of Contents

    PROTECTION CIRCUITRY ... 11 9. SPECIFICATIONS ... 12 Accessories ... 12 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. INSTRUCTION MANUAL F-2852C2...

  • Page 2: Safety Precautions

    WARNING CAUTION 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.

  • Page 3: General Description

    2. GENERAL DESCRIPTION The F-2852C2 is a 2-way, flush-mounted Ceiling Speaker System that offers a wide frequency range and high-quality sound output. It is specifically designed to be mounted to a drop ceiling with use of the supplied tile bridge.

  • Page 4: Nomenclature And Dimensions

    4. NOMENCLATURE AND DIMENSIONS Unit: mm (inches) [Front] [Side] 38 (1 Front grille (accessory) 227 (8 [Rear] Safety wire (accessory) Cord clamp Safety wire hook Removable input connector Mounting hole: ø250 (9 [Ceiling mounting] Tile bridge (accessory) Ceiling tile...

  • Page 5: Installation

    5. INSTALLATION Before mounting the speaker, check the ceiling structure is of drop ceiling with 2-foot standard ceiling tiles. [Installation view on Drop Ceilings] Caution Set the tile bridge so that both ends fit securely into the T-grids, even if the ceiling tile accidentally falls off.
  • Page 6 Step 3. Attach a safety wire to prevent the speaker from accidentally falling. To attach, tie one end of the supplied safety wire around the speaker's safety wire hook, and tie its snap ring around a secure C-channel bar or suspension pipe.
  • Page 7 • Solid copper wire: • Stranded copper wire: 0.2 – 2.5 mm 4-1. Detach the removable input connector from the speaker's wiring socket, and loosen the screw of the terminal to be used. 4-2. Insert the stripped cable end into the terminal and tighten the terminal screw with a screwdriver.
  • Page 8 If turned outward, the speaker cannot be inserted through the mounting hole. 6-1. Insert the speaker through the mounting hole till it contacts the ceiling panel. While doing so, avoid directly touching the speaker's diaphragm and tweeter. WARNING Never grab the tweeter section as a hand hold.
  • Page 9 Never set this switch to low impedance (8 Ω or 16 Ω) when using a high impedance 25, 70, or 100 V line. Failure to follow this instruction could result in damage to the speaker or amplifier. Step 8. Attach the front grille.

  • Page 10: Removing The Speaker For Maintenance

    Rotate the 4 mounting tab axis screws counterclockwise. The mounting tabs rise as they turn, allowing the speaker to be removed. Caution When loosening the mounting tab axis screws, support the speaker by hand to prevent it from falling. Caution Be sure to set the screwdriver's torque for under 4 kgf·cm.

  • Page 11: Repainting The Speaker

    8. ABOUT THE INPUT OVERLOAD PROTECTION CIRCUITRY The F-2852C2 features internal input overload protection circuitry. If an extremely high input level is fed to the unit, the protection circuitry automatically cuts off the signal to the speaker element.

  • Page 12: Specifications

    60 – 20,000 Hz (–10 dB), 45 – 20,000 Hz (–20 dB) at installation in 1/2 free sound field (Measured by installing the unit in the center of a ceiling.) Speaker Component High frequency: Dome-type, Low frequency: 16 cm (6 Mounting Hole ø250 mm (9...

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