TOA PC-391T Manual

TOA Højttaler PC-391T

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OPERATING INSTRUCTIONS

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

Thank you for purchasing TOA's Wall Flush-Mount Speaker.

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

PC-391, PC-391T

WALL FLUSH-MOUNT SPEAKERS

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.

WARNING

Indicates a potentially hazardous situation which,

if mishandled, could result in death or serious

personal injury.

CAUTION

Indicates a potentially hazardous situation which,

if mishandled, could result in moderate or minor

personal injury, and/or property damage.

• 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.

• Tighten each screw securely. Ensure that the

bracket has no loose joints after installation to

prevent accidents that could result in personal

injury.

• Use the specified electrical box in combination.

Doing otherwise may cause the unit or component

to fall off, resulting in personal injury.

• Avoid touching the unit's sharp metal edge to

prevent injury.

• 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.

2. GENERAL DESCRIPTION

The PC-391 and PC-391T are flush-mount speakers. Their ideal applications include hotel and hospital

rooms, and reception counters in the banks and clinics.

3. SPECIFICATIONS

Model Number PC-391 PC-391T

Rated Input 3 W

Rated Impedance 3.3 k (1 W) 3.3 kΩ Ω(3 W), 10 k Ω

Sound Pressure Level 86 dB (1 W, 1 m)

Frequency Response 150 Hz – 18 kHz

Speaker Component 7.7 cm cone-type speaker

Attenuation 0 (OFF), 1 (–12 dB), 2 (–6 dB), 3 (0 dB)

Applicable box YC-150/150E (option) or equivalent

Finish Aluminum, hair line

Dimensions 162 (w) x 115 (h) x 43 (d) mm 162 (w) x 115 (h) x 47 (d) mm

(excluding the projected screw heads) (

excluding the projected switch knob and screw heads)

Weight 560 g 600 g

Accessory Machine screw M4 x 35 ..... 4, Oval head countersunk screw M3 x 10 ..... 4, Tapping screw 4 x 16 ..... 4

Traceability Information for Europe

Manufacturer:

TOA Corporation

7-2-1, Minatojima-Nakamachi, Chuo-ku, Kobe, Hyogo, Japan

Authorized representative:

TOA Electronics Europe GmbH

Suederstrasse 282, 20537 Hamburg, Germany

4. INSTALLATION

WARNING

When using an electrical box, be sure to use the

optional YC-150, YC-150E or equivalent.

Doing otherwise may cause the unit or

component to fall off, resulting in personal injury.

Note

Ensure that the electrical box mounting surface is

recessed 3 – 30 mm from the wall surface.

[View with the speaker installed in a wall]

Screw terminal block

Electrical box

(YC-150/150E or equivalent)

Wall surface

Speaker panel

44 13

3 – 30

(Distance from wall surface)

Unit: mm

Note: Figure shows the PC-391T.

Step 1. Route the cables from the electrical box and

connect them to the screw terminal block on

the speaker unit.

White

Hot

Common

Speaker unit

Black

Brown

Power amplifier

To other speaker

White

Hot

Common

Speaker unit

Black

Brown

Power amplifier

To other speaker

White

Normal

Emergency

Common

Red

Black

Speaker unit

Power amplifier

To other speaker

Hot

Common

White

Red

Black

Speaker unit

Power amplifier

To other speaker

Step 2. Mount the speaker unit to the electrical box

using the 4 supplied screws M4 x 35.

Step 3. Attach the speaker panel to the speaker unit

using the 4 supplied screws M3 x 10.

Oval head countersunk

screw M3 x 10 (accessory)

Machine screw M4 x 35*

(accessory)

Speaker unit

Electrical box

Speaker panel

Note: Figure shows

the PC-391.

140

50 or more

Unit: mm

WARNING

To tightly hold the tapping screws in place, the

wall material should be of strength equivalent to

that of 5 mm or more thick plywood. Ensure in

advance that the installation location can

structurally support the weight of the speaker.

Doing otherwise may result in the unit falling

down and causing personal injury and/or property

damage.

5. VOLUME CONTROL (PC-391T only)

Adjust the sound volume using the

slide switch on the speaker panel.

[Wiring diagram for the

PC-391 (1 W)]

[Wiring diagram for the

PC-391 (3 W)]

[Wiring diagram for the

PC-391T (3-wire system)]

[Wiring diagram for the

PC-391T (2-wire system)]

* When using an electrical box other than

our YC-150 or YC-150E, use screws that

are appropriate for that electrical box.

Note

The PC-391 or PC-391T can be flush mounted to the

wall without using an electrical box. In this case,

make a mounting hole in the wall as shown below.

When installing the speaker to a wooden wall, use

the supplied tapping screws.

VOLUME

CONTROL

Position of Switch

Volume

3 0 dB

PC-391T

6 dB

12 dB

0 OFF

VOLUME

CONTROL

133-01-444-0C

URL: http://www.toa.jp/

Produkt Specifikationer

Mærke:	TOA
Kategori:	Højttaler
Model:	PC-391T

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