Toa HY-BC1 Instruction Manual Download Page 2

Finish

Surface-treated steel plate, black, paint 

Weight

1.5 kg

Usable Speaker

F-122C, F-122CU, F-2322C, F-2352C, F-2352SC

URL:  http://www.toa.jp/

133-01-00119-00

4. SPECIFICATIONS

Note: The design and specifications are subject to change without notice for improvement. 

• Accessories 

Rubber grommet ........................................ 2 

3. INSTALLATION 

Refer to the speaker's instruction manual for information.

Ceiling

Suspension pipe

Speaker cable

HY-BC1 

(Cross-sectional view)

Speaker unit

Mount the speaker unit.

Caution

Keep this length less than 53 mm 

(2 

3

/

32

"). Otherwise, the back of the 

speaker may contact the pipe, 

preventing installation.

To insert the safety wire, punch out the 

knockout hole and fit it with the supplied 

rubber grommet. 
Note: The grommet's opening is covered with 

a thin membrane. Cut out this membrane to 

pass the safety wire through.

Punch out the knockout hole in the center of the Back 

Can and fix it to the suspension pipe. 

The knockout is of concentric type for 22 mm and 28 

mm diameter holes. Use the 28 mm hole for the 

suspension pipe mounting.
Caution

Securely fix to a pipe or fittings.

Incorrect installation may cause the joint part to break, 

resulting in the fall of the Back Can.

220 mm (8 

21

/

32

")

ø 240 mm (9 

29

/

64

")

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