TOA BS-1110W Manual

TOA Højttaler BS-1110W

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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 (BS-

1110W: 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 Ωand 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 Ωor 8 ).Ω

LOW

OFF

LINE

100V

RATED INPUT 10W

INPUT

COM

HIGH

10W

OFF

70V

LOW

OFF

LINE

100V

RATED INPUT 10W

INPUT

COM

HIGH

10W

OFF

70V

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.

6 mm

13 mm

ø16 mm

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.

Screw

(Please prepare

separately.)

Speaker cable

Mounting hole

10 – 12 mm

Wall

80 mm

Mounting hole

Produkt Specifikationer

Mærke:	TOA
Kategori:	Højttaler
Model:	BS-1110W

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