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• Install the unit only in a location that can structurally 

support the weight of the unit and the mounting bracket. 

Doing otherwise may result in the unit falling down and 

causing personal injury and/or property damage.

•  Do not use other methods than specified to mount the 

bracket. Extreme force is applied to the unit and the unit 

could fall off, possibly resulting in personal injuries.

2. GENERAL DESCRIPTION

Integrated with a speaker unit and panel, the PC-1860 and PC-2360 Ceiling Mount Speakers are of all metallic construction 

and ideal for use in a voice alarm system.

They feature spring clamp mechanism for easy speaker mounting to the ceiling.

The input impedance can be easily changed by changing the tap position of the transformer.

The push-in type input terminal block makes cable connections easy and allows bridge wiring. 

INSTALLATION MANUAL

CEILING MOUNT SPEAKER

Thank you for purchasing TOA’s Ceiling Mount Speaker. 

Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

PC-1860

PC-2360

1. SAFETY PRECAUTIONS

•  Before installation or use, be sure to carefully read all the instructions in this section for correct and safe operation.

•  Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or 

cautions regarding safety.

•  After reading, keep this manual handy for future reference.

Indicates a potentially hazardous situation which, 

if mishandled, could result in death or serious 

personal injury. 

WARNING

Indicates a potentially hazardous situation which, 

if mishandled, could result in moderate or minor 

personal injury, and/or property damage.

CAUTION

•  Avoid  touching  the  unit’s  sharp  metal  edge  to  prevent 

injury.

• To avoid electric shocks, be sure to switch off the 

amplifier’s power when connecting speakers.

•  Do not operate the unit for an extended period of time 

with the sound distorting. This is an indication of a 

malfunction, which in turn can cause heat to generate 

and result in a fire.

3. SPECIFICATIONS

Model No.

PC-1860

PC-2360

Rated Input

6 W (100 V line), 3 W (70 V line)

Rated Impedance

100 V line: 1.7 kΩ (6 W), 3.3 kΩ (3 W), 6.7 kΩ (1.5 W), 13 kΩ (0.8 W)

70 V line:  1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 6.7 kΩ (0.8 W), 13 kΩ (0.4 W)

Sensitivity

94 dB (1 W, 1 m) (500 Hz – 5 kHz, pink noise)

Frequency Response

80 Hz – 20 kHz (peak –20 dB)

60 Hz – 20 kHz (peak –20 dB)

Speaker Component

12 cm (5") cone-type

16 cm (6") cone-type

Operating Temperature

–10 to +50 °C (14 to 122 °F)

Dimensions for Fixing Hole Mounting hole: 

ø150 ±3 mm (ø5.91" ±0.12") 

Ceiling thickness:  5 – 25 mm (0.2" – 0.98")

Mounting hole: 

ø200 ±3 mm (ø7.87" ±0.12")

Ceiling thickness:  5 – 25 mm (0.2" – 0.98")

Speaker Mounting Method

Spring clamp

Applicable Cable

Solid wire: 0.5 – 3 mm² (AWG 20 – 12)

Connection

Push wire connection (Bridging terminal-2 branch type)

Finish

Frame: Steel plate, white (RAL 9016 equivalent), paint

Grille:  Steel net, white (RAL 9016 equivalent), paint

Dimensions

ø180 x 70 (d) mm (ø7.09" x 2.76")

ø230 x 76 (d) mm (ø9.06" x 2.99")

Weight

560 g (1.23 lb)

740 g (1.63 lb)

Accessory

Paper pattern ...................................  1

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

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