Toa PC-2668 User Manual
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.
• 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.
• Do not operate the unit for an extended period of
time with the sound distorting. Doing so may cause
the unit to heat, resulting in a fire.
• Have the unit checked periodically by the shop
from where it was purchased. Failure to do so may
result in corrosion or damage to the unit or its
mounting bracket that could cause the unit to fall,
possibly causing personal injury.
2. INSTALLATION PRECAUTIONS
• Avoid installing the speaker in such places as
seaside district exposed to sea breezes. Corrosion
may cause malfunction.
• Since the speaker is not splash-proof, do not install
the speaker in such places as a multilevel car
parking tower, stairs, corridor, passage, or under
the eaves, where rainwater could enter the
speaker. Corrosion may cause malfunction.
Thank you for purchasing TOA's Ceiling Speaker.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
PC-2668CEILING SPEAKER
INSTRUCTION MANUAL
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.
Traceability Information for Europe (EMC directive 2004/108/EC)
Manufacturer:
TOA Corporation
7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo, Japan
Authorized representative:
TOA Electronics Europe GmbH
Suederstrasse 282, 20537 Hamburg,Germany
3. SPECIFICATIONS
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
Rated Input 6 W (for 100 V Line), 3 W (for 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)*
* Internal wiring must be changed.
Sound Pressure Level 90 dB (1 W, 1 m, 330 – 3300 Hz Pink noise)
Frequency Response 100 Hz – 16 kHz
Speaker Component 12 cm (5") dynamic cone-type speaker
Mounting Method Spring catch
Applicable Cable 600 V Vinyl-insulated cable (IV wire or HIV wire)
Solid copper wire: ø0.8 – ø1.2 mm (AWG 20 –16)
7-core twisted copper wire: 0.75 – 1.25 mm
2
(AWG 18 –16)
Connection Push-in connector (Bridging terminal-2 branch type)
Finish Baffle: ABS resin, off-white (RAL 9010 or equivalent color)
Dimensions ø260 x 92 (d) (Exposed section) mm or ø10.24" x 3.62"
Weight 820 g or 1.81 lb (Bracket included)
Mounting bracket ............................................... 1
Tapping screw 4 x 20 ......................................... 2
Machine screw M4 x 35 ..................................... 2
533-06-222-50
URL: http://www.toa.jp/
Step 2. Insert one V-shaped spring into the spring catch of the
bracket by squeezing it.
Step 3. Insert the core wire of the speaker cable straight, fully into
the round hole in the push-in connector according to the
indication on the connector.
Notes
• The push-in connector allows star wiring or bridging
wiring.
• To disconnect the speaker cable, pull it out while holding
down the push-in button.
[Applicable speaker cable and cable end treatment]
• Speaker cable
600 V Vinyl-insulated cable (IV wire or HIV wire)
Solid conductor (copper): ø 0.8 – ø1.2 mm
(AWG 20 – 16)
Stranded conductors (7-core, copper): 0.75 – 1.25 mm
2
(AWG 18 – 16)
• Cable end treatment
Step 4. Insert the other V-shaped spring into the other spring catch
in the same way as step 2, then push the speaker straight
up toward the ceiling.
Note
Be sure to install the speaker without leaving a gap between
the ceiling surface and the speaker. Otherwise, birds, dirt or
other foreign objects get inside the speaker, causing the
speaker to malfunction.
Note: The figures in steps 2 – 4 show an example of installing the speaker to the mounting bracket secured to the ceiling.
4. INSTALLATION
Step 1. Fix the supplied mounting bracket to the ceiling.
Two types of screws shown below are supplied with the speaker. Use these screws properly depending on the
installation location.
[Direct mounting to the ceiling] [Mounting to the ceiling through an electrical box]
5. WIRING DIAGRAM (SCHEMATIC DIAGRAM)
Note
Use a strip gauge near the
push-in connector.
Speaker cable
Ceiling
Mounting bracket
(accessory)
Tapping screw 4 x 20 (accessory)
Approx. 9 mm (0.35")
Ceiling
Speaker cable
Ceiling
Electrical box
(mounting pitch: 63 – 91 mm
or 2.48" x 3.58")
Mounting bracket
(accessory)
Machine screw M4 x 35
(accessory)
Speaker cable
2
3
Push-in connector
Push the speaker upward into position.
Matching transformer
3 W (1.5 W*)
6 W (3 W*)
COM
* 70 V line applications
Terminal
(Brown)
(Black)
(White)
Bridging terminal
13 kΩ
6.7 kΩ
3.3 kΩ
1.7 kΩ
COM
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