Please follow the instructions in this manual to obtain the optimum results from this speaker.
We also recommend that you keep this manual handy for future reference.
The BS-1110W and BS-1120W Speakers feature the wide-band and high-quality design which makes them ideal for such
applications as announcements and music reproduction.
BS-1110W
BS-1120W
UNIVERSAL SPEAKER
INSTRUCTION MANUAL
1. SAFETY PRECAUTIONS
• Be sure to read the instructions in this section carefully
before use.
• Make sure to observe the instructions in this manual as
the conventions of safety symbols and messages
regarded as very important precautions are included.
• We also recommend you keep this instruction manual
handy for future reference.
WARNING Indicates a potentially
hazardous situation which, if mishandled, could result in
death or serious personal injury.
• Use only the specified amplifier output voltage and
impedance, as exceeding the specified limits could result
in fire or other failures (high-impedance applications).
• To avoid accidental air explosions, do not use the unit
around gasoline, thinner or other combustibles.
• 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.
• Use nuts and bolts that are appropriate for the ceiling's
or wall's structure and composition. Failure to do so may
cause the speaker to fall, resulting in material damage
and possible personal injury.
• Tighten each nut and bolt securely. Ensure that the
bracket has no loose joints after installation to prevent
accidents that could result in personal injury.
• Attach the safety wire to the unit when mounting in
locations high above the ground. Failure to do so could
result in personal injury if the speaker should later fall for
any reason.
WARNING Indicates a potentially
hazardous situation which, if mishandled, could result in
death or serious personal injury.
• Avoid mounting the unit in locations exposed to constant
vibration. The mounting bracket can be damaged by
excessive vibration, potentially causing the speaker to
fall, which could result in personal injury.
CAUTION Indicates a potentially hazardous
situation which, if mishandled, could result in moderate
or minor personal injury, and/or property damage.
• To avoid electric shocks, be sure to switch off the
amplifier power when connecting the speaker.
• Avoid installing the unit in humid or dusty locations, or in
locations exposed to heaters, solvents, acid, alkali,
smoke, or steam, as excessive exposure to these factors
could result in the speaker falling off, electric shock or
fire.
• 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.
• Do not stand or sit on, nor hang down from the unit as
this may cause it to fall down or drop, resulting in
personal injury and/or property damage.
• Have the unit periodically checked by the shop from
where it was purchased. Failure to do so could result in
the speaker falling off due to damage or corrosion to the
speaker or its mounts, and possible personal injury.
2. FEATURES
• A built-in matching transformer permits the speaker to be
used for both high-impedance and low-impedance (BS1110W: 4 Ω, BS-1120W: 8 Ω) applications. The
impedance can be easily changed from outside the
speaker.
• Mountable to wall surfaces directly or using with supplied
or optional mounting brackets.
3. INPUT IMPEDANCE CHANGE
The speaker's impedance is factory-preset as follows.
BS-1110W: 100 V line, 10 W (1k Ω) input
BS-1120W: 100 V line, 20 W (500 Ω) input
To change the impedance, use the rear-mounted slide
switch.
3.1. High Impedance (70 V or 100 V Line) Applications
Set the LINE switch to 70 V or 100V, and also the INPUT
switch to 10 W or 5 W you use. (The example below shows
the setting for 10 W on the 100 V line of the BS-1110W.)
In this case, use the speaker terminals HIGH and COM for
connection to an amplifier.
3.2. Low Impedance Applications
Set the LINE switch to the LOW position. (Shown below is
a setting example of the BS-1110W.)
In this case, use the speaker terminals 4 Ω and COM for
connection to an amplifier.
Notes
To avoid damage to the speaker, be sure to follow the
instructions below.
• Switch off the amplifier power when changing the input.
• Never connect the speaker to the amplifier's 70 V or 100
V line (high impedance) when setting the LINE switch to
the LOW position (4 Ω or 8 Ω).
4. SPEAKER INSTALLATION
4.1. Wall Mounting – With Surface-Mount Screws
Note: The surface-mount screws are not supplied with
the unit. Referring to the mounting hole's dimensional
diagram below, prepare the screws appropriate to the
wall material.
Step 1. Install 2 surface-mount screws in the wall 80 mm
apart and leave them sticking out approximately 10
– 12 mm from the wall surface.
Step 2. Connect the speaker cable.
Step 3. Place the speaker's rear panel mounting holes
over the 2 installed screws to mount the speaker to
the wall surface.
Note
Route the speaker cable as shown in the figure so that it is
not pinched between the speaker and the wall surface.
[When installing the BS-1110W horizontally]
Use the relevant mounting holes shown below. (BS-1110W only)
Note
As for the BS-1120W, never use the mounting holes for its
horizontal installaion.
6 mm
ø16 mm
13 mm
INPUT
10W
5W
RATED INPUT 10W
COM
HIGH
100V
LINE
OFF
70V
OFF
LOW
4
INPUT
10W
5W
RATED INPUT 10W
COM
HIGH
100V
LINE
OFF
70V
OFF
LOW
4
Speaker cable
2
1
Mounting hole
80 mm
3
10 – 12 mm
Wall
Screw
(Please prepare
separately.)
Mounting hole
4.2. Wall Mounting – With Supplied Bracket
Step 1. Attach the bracket to the speaker using the
supplied bracket fixing bolt*.
* Pre-mounted to the speaker at the factory.
Remove it to use.
Step 2. Mount the speaker in the desired location using the
mounting holes made in the bracket.
Note
Bracket mounting hardware is not supplied with the unit.
Referring to the bracket's dimensional diagram, prepare
the screws or bolts appropriate to the wall material.
4.3. Mounting on the Optional ST-16 Speaker Stand
(applicable to the BS-1110W only)
Remove the pre-mounted bracket fixing bolt from the
bottom of the speaker, then mount the speaker stand as
illustrated below.
4.4. Mounting with Other Brackets
The following table shows the brackets that can be used for
the speakers. When using these brackets, refer to their
corresponding instruction manuals.
Usable Brackets
Speaker Mounting
Bracket YS-301
Speaker Mounting
Bracket SP-410
Wall/Ceiling Mounting
Bracket WCB-12W
Table Mounting
Bracket TMB-1W
BS-1110W
BS-1120W
OK
OK
OK
OK
OK
5. DIMENSIONAL DIAGRAM
• BS-1110W
Bracket fixing bolt
Rubber gasket
(Separate from the bracket fixing bolt
assembly to use.)
Speaker
Bracket
(standard accessory)
The logo mark can be changed
to correct its orientation.
Speaker
Bracket
(supplied with the ST-16)
180 100
40360
Unit: mm
80
60
87
12060
80
4-M5
47
80
Hexagonal-head bolt
(supplied with the ST-16)
ST-16
(optional)
10 W
100 V line: 1 kΩ (10 W), 2 kΩ (5 W)
70 V line: 500 Ω (10 W), 1 kΩ (5 W)
4 Ω (10 W)
90 dB (1 W, 1 m)
150 – 14,000 Hz
12 cm cone-type x 2
600 V vinyl-insulated cable (IV wire or
HIV wire)
Solid copper wire: ø0.8 - ø1.2 mm
7-core twisted copper wire: 0.75 - 1.25 mm
2
Push-in connector (Bridging connections
possible)
– 10°C to +50°C
180 (w) x 360 (h) x 100 (d) mm
Enclosure:
Plywood vinyl coating, white
Front: ABS resin, white, paint
Rear: Steel plate, white, paint
Bracket: Steel plate, white, paint
2.9 kg (unit only)
• BS-1120W
• Bracket
(standard accessory, common to BS-1110W/-1120W)
6. SPECIFICATIONS
• BS-1110W
• Accessories (BS-1110W/-1120W)
Bracket .................................................. 2
Note: The design and specifications are subject to change without
notice for improvement.
Rated Input
Rated Impedance
Sound Pressure Level
Frequency Response
Speaker Component
Applicable Cables
Connection
Operating Temperature
Dimensions
Finish
Weight
20 W
100 V line: 500 Ω (20 W), 1 kΩ (10 W)
70 V line: 250 Ω (20 W), 500 Ω (10 W)
8 Ω (20 W)
93 dB (1 W, 1 m)
150 – 20,000 Hz
12 cm cone-type x 4
+ balanced dome-type x 1
600 V vinyl-insulated cable (IV wire or
HIV wire)
Solid copper wire: ø0.8 - ø1.2 mm
7-core twisted copper wire: 0.75 - 1.25 mm
2
Push-in connector (Bridging connections
possible)
– 10°C to +50°C
180 (w) x 720 (h) x 100 (d) mm
Enclosure:
Plywood vinyl coating, white
Front: ABS resin, white, paint
Rear: Steel plate, white, paint
Bracket: Steel plate, white, paint
5.1 kg (unit only)
Rated Input
Rated Impedance
Sound Pressure Level
Frequency Response
Speaker Component
Applicable Cables
Connection
Operating Temperature
Dimensions
Finish
Weight
• BS-1120W
Note: The design and specifications are subject to change without
notice for improvement.
533-06-069-2B
URL: http://www.toa.jp/
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
180
40
720
100
Unit: mm
80
87
Unit: mm
12.5
5-ø9
9
70
50
60
3
25 25
85
134
44
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