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9

Mounting tab axis screw

Use an electric screwdriver to detach.

Mounting tab

Screw cap

Caution

Be sure to set the screwdriver's torque for under 4 kgf·cm. 
Failure to do so may cause the Screw cap and the Mounting tab to fall off 
on the rear of ceiling panel. 

6. REMOVING THE SPEAKER FOR MAINTENANCE 

6.1. Detaching the Front Grille 

1

2

Front grille

Unlock

Pull lightly.

Turn the front grille counterclockwise 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 rotated back to the detachment
position. In such cases, take care to rotate the grill fully
counterclockwise in order to release the lock.

6.2. Removing the Speaker 

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. 

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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