Toa F-1522SC Instruction Manual Download Page 4

Step 3.

Connect the speaker cable to the push-in terminal. 

Tip:

Use the 600 V vinyl-insulated cable (IV or HIV wire). 
The following matching cable types are recommended:

• Solid copper wire: 

ø0.8 – ø1.6 mm (equivalent to AWG 20 – 15) 

• Stranded copper wire: 0.75 – 1.25 mm

2

(equivalent to AWG 18 – 17) 

Press fully down on the corresponding terminal button and insert the cable.

Tip

To detach the cable, press fully down on the terminal button again,
then pull the cable. 

9 mm (23/64")

5. INSTALLATION

Step 1.

Cut a ø135 mm (5 

5

/

16

") hole in the ceiling.

Use the supplied paper pattern to position and trace
the hole.

Step 2.

Mount the optional Reinforcement Ring HY-RR1 to the ceiling. (Weak ceiling mounting)

Tip:

Skip this step when the ceiling is strong (no additional hardware needed).

4

Ceiling panel

ø135 

±

5 mm (5 

5

/

16

±

13

/

64

")

A dust cover is pre-mounted on the rear of the speaker at the factory.
Pay attention not to accidentally take it off during speaker installation.

The F-1522SC ceiling speaker can be mounted in 2 different configurations:

• Direct mounting to a strong ceiling panel 

No additional hardware required.

• Direct mounting to a weak ceiling panel 

Use the optional HY-RR1 Reinforcement Ring. 

Use the cut-out section to insert the HY-RR1 into the ceiling as shown below.

Mounting hole

Cut-out section

HY-RR1 (optional) 

HY-RR1 placed on 
ceiling panel

To the next 
speaker

From 
Amplifier

[If not bridging]

[If bridging]

Summary of Contents for F-1522SC

Page 1: ...IMENSIONS 3 5 INSTALLATION 4 6 REMOVING THE SPEAKER FOR MAINTENANCE 6 7 REPAINTING THE SPEAKER 7 8 SPECIFICATIONS 8 Accessories 8 Optional Component 8 Please follow the instructions in this manual to...

Page 2: ...usty 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 u...

Page 3: ...de 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...

Page 4: ...nt the optional Reinforcement Ring HY RR1 to the ceiling Weak ceiling mounting Tip Skip this step when the ceiling is strong no additional hardware needed 4 Ceiling panel 135 5 mm 5 5 16 13 64 A dust...

Page 5: ...of the HY RR1 Ensure that the mounting tab presses the HY RR1 Mounting tab HY RR1 Cut out section Avoid this way 4 1 Insert the speaker through the mounting hole till it contacts the ceiling panel Wh...

Page 6: ...on the unit s front to set it to the desired input impedance Factory preset to 1 7 k Important Never set this switch to low impedance 8 or 16 settings when using a high impedance 25 70 or 100 V line F...

Page 7: ...t grille Step 1 Clean the front grille before painting Wipe with a soft cloth dampened in a detergent Caution Do not use thinner or other volatile liquids to clean the grille Step 2 Spray on a uniform...

Page 8: ...nse 65 18 000 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 10 cm 4 cone type Mounting Hole 135 mm 5...

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