Toa F-122C Instruction Manual
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Toa F-122C Instruction Manual

Ceiling speaker system
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CEILING SPEAKER SYSTEM

TABLE OF CONTENTS

1. SAFETY PRECAUTIONS .......................... 2
2. GENERAL DESCRIPTION ........................ 2
3. FEATURES ................................................ 3
5. INSTALLATION ......................................... 4
FOR MAINTENANCE ................................. 9
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
7. REPAINTING THE SPEAKER .................. 10
PROTECTION CIRCUITRY ...................... 10
9. ABOUT EQUALIZATION .......................... 10
10. SPECIFICATIONS .................................... 12
Accessories ............................................... 12
Optional Components ................................ 12
F-122C

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Summary of Contents for Toa F-122C

  • Page 1: Table Of Contents

    INSTRUCTION MANUAL CEILING SPEAKER SYSTEM F-122C TABLE OF CONTENTS 1. SAFETY PRECAUTIONS ......2 7. REPAINTING THE SPEAKER ....10 2. GENERAL DESCRIPTION ......2 8. ABOUT THE INPUT OVERLOAD PROTECTION CIRCUITRY ...... 10 3. FEATURES ..........3 9. ABOUT EQUALIZATION ......10 4.

  • Page 2: Safety Precautions

    2. GENERAL DESCRIPTION The F-122C is a 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...

  • Page 3: Features

    3. FEATURES • Bass-reflex speaker system designed to provide a wide frequency range and high power handling capability. • Wide-dispersion flush-mount ceiling speaker design employs unique acoustic construction to realize a wide area of coverage. Uniform sound output levels are achievable not only directly under the speaker, but also over a wide radius.

  • Page 4: Installation

    5. INSTALLATION The F-122C ceiling speaker can be mounted in 5 different configurations: • 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 HY-TB1 Tile Bar Bridge.
  • Page 5 Step 3. Mount fittings to a ceiling or hanging pipe. 3-1. Direct mounting to a ceiling panel Mounting hole Fold the supplied ceiling reinforcement ring in half* and insert it through the mounting hole in the ceiling panel, then open it with its tabs facing up. Place the ring on the ceiling panel aligning it with the mounting hole.
  • Page 6 3-4. Mounting to an anchor bolt [Installed HY-AH1] Use the supplied ceiling reinforcement ring in conjunction with the optional HY-AH1 Anchor Hanging Bracket. Anchor bolt Note Refer to the instruction manual included with the HY-AH1 HY-AH1 for the correct mounting procedure. (optional) Ceiling reinforcement ring (accessory)
  • Page 7 Step 5. Make speaker cable connection. 5-1. Plug the wired detachable input connector into the speaker's wiring socket. 5-2. Fix the speaker cable with the cord clamp. Loosen the cord clamp fixing screws and open the cord clamp. Then, pass the speaker cable between both screws. Clamp fixing screw (2 pieces) Detachable input connector...
  • Page 8 6-2. Exposed mounting (in the case of Step 3-5) Follow Step 6-1 to mount. HY-BC1 Back Can attached to suspension pipe Note (optional) The ceiling reinforcement ring supplied with the speaker is not used. Caution Take care not to pinch the speaker cable and safety wire Speaker unit (supplied with the speaker).

  • Page 9: Removing The Speaker For Maintenance

    6. REMOVING THE SPEAKER FOR MAINTENANCE 6.1. Detaching the Front Grille Turn the front grille counterclockwise to full stop, then lightly Unlock pull it downward. 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 rotated back to the detachment Front grille position.

  • Page 10: Repainting The Speaker

    8. ABOUT THE INPUT OVERLOAD PROTECTION CIRCUITRY The F-122C 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 11 0.267 37.5 Hz – 12dB/oct. 37.5 Hz – 20 kHz – 12dB/oct. Filter characteristics for F-122C (low-frequency cut mode) (Setting for speech applications or with a subwoofer) Filter Frequency Gain 80 Hz +6.5 dB 1.414 180 Hz –4.5 dB 0.667 900 Hz –8 dB...

  • Page 12: Specifications

    Use this Back Can when mounting the speaker unit in exposed hanging applications. Traceability Information for Europe (EMC directive 2004/108/EC) Manufacturer: Authorized representative: TOA Corporation TOA Electronics Europe GmbH 7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo, Suederstrasse 282, 20537 Hamburg, Japan Germany URL: http://www.toa.jp/...

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