TOA | PC-391 | manual | TOA PC-391 User manual

TOA PC-391 User manual
OPERATING INSTRUCTIONS
WALL FLUSH-MOUNT SPEAKERS
PC-391, PC-391T
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.
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
CAUTION
Indicates a potentially hazardous situation which,
if mishandled, could result in death or serious
personal injury.
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.
• Avoid touching the unit's sharp metal edge to
prevent injury.
• 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.
• 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.
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
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
Rated Input
Rated Impedance
Sound Pressure Level
Frequency Response
Speaker Component
Attenuation
Applicable box
Finish
Dimensions
Weight
Accessory
PC-391
PC-391T
3W
3.3 kΩ (3 W), 10 kΩ (1 W)
3.3 kΩ
86 dB (1 W, 1 m)
150 Hz – 18 kHz
7.7 cm cone-type speaker
0 (OFF), 1 (–12 dB), 2 (–6 dB), 3 (0 dB)
YC-150/150E (option) or equivalent
Aluminum, hair line
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)
560 g
600 g
Machine screw M4 x 35 ..... 4, Oval head countersunk screw M3 x 10 ..... 4, Tapping screw 4 x 16 ..... 4
Note: The design and specifications are subject to change without notice for improvement.
4. INSTALLATION
Step 2. Mount the speaker unit to the electrical box
using the 4 supplied screws M4 x 35.
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.
Step 3. Attach the speaker panel to the speaker unit
using the 4 supplied screws M3 x 10.
Note: Figure shows
the PC-391.
Speaker unit
Speaker panel
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]
Electrical box
(YC-150/150E or equivalent)
(Distance from wall surface)
44
13
5
Wall surface
Electrical box
3 – 30
Speaker panel
Screw terminal block
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.
Common
White
To other speaker
Hot
Hot
Common
Brown
White
Black
Brown
Black
Speaker unit
Emergency
Common
[Wiring diagram for the
PC-391T (2-wire system)]
To other speaker
Normal
Speaker unit
Power amplifier
To other speaker
Power amplifier
[Wiring diagram for the
PC-391T (3-wire system)]
Oval head countersunk
screw M3 x 10 (accessory)
3
2
* 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.
140
[Wiring diagram for the
PC-391 (3 W)]
Power amplifier
To other speaker
Power amplifier
[Wiring diagram for the
PC-391 (1 W)]
Machine screw M4 x 35*
(accessory)
Hot
Common
82
r
50 o
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.
PC-391T
3
2
1
0
VOLUME
CONTROL
3
2
1
0
White
Black
White
Black
Red
Red
Speaker unit
Speaker unit
VOLUME
CONTROL
Position of Switch Volume
3
0 dB
2
-6 dB
1
-12 dB
0
OFF
URL: http://www.toa.jp/
133-01-444-0C
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