Toa CS-154U User Manual
Thank you for purchasing TOA's Wide Range Speaker.
Please carefully follow the instructions in this manual in order to ensure long, trouble-free use of your equipment.
3. APPEARANCE AND DIMENSIONS
Note
The rotary switch is factory-preset to 670 Ω.
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
• Install the speaker only in a location that can structurally support the weight of the speaker and the mounting
bracket. Doing otherwise may result in the speaker falling down and causing personal injury and/or property
damage.
• Do not stand or sit on, nor hang down from the speaker as this may cause it to drop, resulting in personal
injury and/or property damage.
• Do not operate the speaker 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.
4. WIRING DIAGRAM
2. GENERAL DESCRIPTION AND FEATURES
TOA's CS-154U outdoor speaker features a resin enclosure and stainless steel hardware for all-weather
durability. It is designed to offer the weather resistance and high efficiency of horn speakers combined with
the high sound quality of cone speakers. The CS-154U also employs a constant directivity horn for clear
sound output over the limited horizontal range of dispersion.
CS-154UWIDE RANGE SPEAKER
INSTRUCTION MANUAL
172
37
366
236
51 51
230
3-ø11
272
172
Black White
144
600
Unit: mm
Matching
Rotary switch
Black (+)
White (–)
transformer
2 kΩ
1 kΩ
670 Ω
500 Ω
330 Ω
170 Ω
Speaker
component
16 Ω
8 Ω
0
5. IMPEDANCE CHANGE
The input impedance is factory-preset to 670 Ω.
To change the impedance, change the rear
panel-mounted rotary switch position to the
desired impedance (wattage) using a standard
screwdriver.
Notes
• This speaker is designed to operate on a 70 V
or 100 V line. Do not connect it to the
amplifier's low impedance line.
• No sound is output when the switch is set to
the OFF position.
Caution
Never set the switch to "
–
" position for 100 V
line operation, as doing so may result in damage
to the speaker.
8. SPECIFICATIONS
* Impedance for 70 V line
Note
The design and specifications are subject to
change without notice for improvement.
Line Voltage
Imp.
70 V 100 V
15 W
–
330 Ω
7.5 W 15 W 670 Ω
5 W 10 W 1 kΩ
2.5 W 5 W 2 kΩ
Speaker Component 12 cm cone speaker
Rated Input 15 W
Impedance
(330 Ω)*, 670 Ω, 1 kΩ, 2 kΩ
Frequency Response 150 – 15,000 Hz
Sensitivity 97 dB (1 W, 1 m)
Finish Body ABS resin, off-white, paint
Bracket Stainless steel
Net
Aluminum
, gray, paint
Dimensions
366 (w) x 230 (h) x 272 (d) mm
Weight 2.8 kg
• Be sure to direct the speaker
down towards the ground.
Otherwise, rain floods the
speaker, causing its failure.
• No mounting hardware such as
bolts and nuts is supplied with
the speaker.
Use commercial mounting
hardware appropriate for the
installation environment.
• Please install only with either
flexible conduit or flexible wiring.
7. INSTALLATION
[Mounting on the wall][Mounting under the eaves
or on the ceiling]
6. CONNECTION
Make the connections using marrets (wire nuts)
inside a UL Listed junction box.
Note
This product shall be installed in accordance with
the National Electrical Code, ANSI/NFPA 70.
Factory-preset values
533-06-111-6A
URL: http://www.toa.jp/
From Amplifier
100V LINE
10W 1kΩ
5W 2kΩ
OFF
15W 330Ω
OFF
7.5W 670Ω
Marrets (wire nuts)
(–)
(+)
(–)(+)
15W 670Ω
OFF
OFF
2.5W 2kΩ
5W 1kΩ
70V LINE
From Speaker
C
eiling surface
UL Listed Junction Box
Wall surface
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