INSTRUCTION MANUAL
F SERIES SPEAKER SYSTEM
F-160G/F-160W (Low impedance)
F-160GM/F-160WM (High impedance)
F-160WP (High impedance/outdoor use)
F-240G/F-240W (Low impedance)
F-240GM/F-240WM (High impedance)
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS .............................
2. DIMENSIONAL DIAGRAM AND NOMENCLATURE ......
3. HANDLING PRECAUTIONS ..........................
4. FEATURES .........................................
5. OVERLOAD PROTECTION CIRCUITRY INFORMATION
6. IMPEDANCE CHANGE ...............................
7. REAR COVER USAGE ...............................
8. LOGO BADGE REORIENTATION .....................
9. OUTDOOR USE (F-160WP ONLY) ....................
10 . SPECIFICATIONS ..................................
11. CHARACTERISTIC DIAGRAM .......................
Thank you for buying the TOA speaker system.
Please read this manual carefully to get the best performance from this speaker.
TOA Corporation
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1. SAFETY PRECAUTIONS
Safe ty Symbol and Message Conventions
Safety symbols and messages are used in this manual to prevent bodily injury and property damage which
could result from mishandling. The conventions of the symbols and messages are described below. Before
doin g anything else, read this manual first so you are thoroughly aware of the potential safety hazards as well
as understand the safety symbols and messages. Then before operating your product, read through the
instruction manual so you are familiar with its general operation.
Symbols
Symbols of caution actions
Symbols of prohibited actions
WARNING
Indicates a potentially hazardous situation which, if mishandled,
could result in death or serious personal injury.
When Installing the Unit
Install the unit onl y in a location that can structurally support the weight of the unit and
the mounting bracket. Doing otherwise may result in the speaker falling down and
causing personal injury and/or property damage.
CAUTION
Indicates a potentially hazardous situation which, if mishandled,
could result in moderate or minor personal injury, and/or
property damage.
When the Unit is in Use
Do not stand or sit on a speaker as this may cause it to fall down or 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.
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 fo r future reference.
CAUTION
PROHIBITION
CAUTION
PROHIBITION
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PROHIBITION
2. DIMENSIONAL DIAGRAM AND NOMENCLATURE
F-160 Series
(Unit: mm)
M5 screw mounting hole x 2
Depth: 14 (Top panel only)
Push terminal
Push terminal
Rotary switch
High-impedance models
F-160GM/F-160WM/F-160WP
Low-impedance models
F-160G/F-160W
[Rear panel without a rear cover]
Cable feed slot
Rear cover
M5 screw mounting hole x 2
Depth: 14
(Unit mm)
Tweeter
Bass-reflex duct
Woofer
F-240 Series
Push ter m in a l
Low-impedance models
F-240G/F-240W
[Rear panel without a rear cover]
High-impedance models
F-240GM/F-240WM
Rotary switch
Push terminal
Cable feed slot
Tweeter
Bass-reflex duct
Woofer
Rear cover
M5 screw mounting hole x 2
Depth: 14
M5 screw mounting hole x 2
Depth: 14 (Top panel only)
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3. HANDLING PRECAUTIONS
4. FEATURES
5. OVERLOAD PROTECTION CIRCUITRY INFORMATION
(LOW-IMPEDANCE MODELS ONLY)
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The F-160G, F-160W, F-240G, and F-240W have a built-in overload protection circuitry.
If th e excessive input is applied to a woofer or tweeter, the overload protection circuitry is activated and cuts
off the signal supply to the speaker component.
A sudden drop of the volume level of either the high or low frequencies during speaker operation indicates
that the overload protection circuitry has been activated. In such a case, reduce the amplifier volume and just
wait. The protection circuitry is automatically reset after approximately 3-30 seconds. After the circuitry is
reset, set the volume at a lower level than before.
[Important Note]
This overload protection circuitry does not perfectly protect the speaker component. Depending upon the
excessive input to be applied, the protection circuitry may not operate, causing damage to the speaker
component. In addition, the circuitry may not be restored to the previous state if the excessive input is applied
continuously for long time. Take special care that the excessive input is not applied to the speaker during use.
Two-way bass-reflex system.
High efficiency, wide range, an d high input power handling capacity.
F-160 series: High power capacity 13 cm woofer with a large 90 mm magnetic circuit, and high-efficiency
3 cm dome tweeter with a large 70 mm magnetic circuit.
F-240 series: High power capacity 16 c m woofer with a large 90 mm magnetic circuit, and high efficiency
3 cm dome tweeter with a large 70 mm magnetic circuit and a titanium diaphragm.
The tweeter employs a constant directivity horn which ensures uniform sound dispersion of 90 ° horizontal
and 90 ° vertical.
Independent built-in overload protection circuitry f or woofer a n d tweeter. (Low-impedance models only)
A detachable rear cover cleanly conceals the speaker terminals.
Acoustically efficient polypropylene enclosure.
Optional wall and ceiling mounting brackets.
F-160WP: Drip-proof construction makes the speaker system ideal for outdoor use.
Use optional mounting brackets when mounting the speaker to the ceiling or wall.
Avoid using the speaker on the beach because the speaker's life can be greatly shortened by sea breezes.
TOA takes no responsibility for any accident or equipment failure d ue to inadequate installation places or
incorrect installation methods or disassembly or modifications carried out for the purposes other than repair
service.
The F series speaker is not magnetically shielded. Install it as f ar away as possible from color televisions or
video monitors to avoid degradation in television picture quality.
6. IMPEDANCE CHANGE (HIGH-IMPEDANCE MODELS ONLY)
Because the following models have a built-in matching transformer, connect them to the amplifier with a
high-impedance (70 or 100) line output.
F-160GM, F-160WM, F-160WP, F-240GM and F-240WM
Input impedance can be switched in five steps, as
shown in the table at right (factory-preset to 330
ohms). To change, set the rotary switch to the
desired impedance using a screwdriver blade.
[Note]
When using the 100 line, never set the impedance to
170 ohms. The speaker itself or the power amplifier
may be damaged.
7. REAR COVER USAGE
F Series speakers feature a rear cover that cleanly
conceals the speaker terminals on the rear panel.
To remove the cover, insert a finger in the line feed
slot and pull the cover away from the speaker. To
reattach, simply snap the cover back into place.
If required, the positioning of the cover's line feed
slot can be easily reversed by snapping the cover on
"upside down".
Model F-160WP must be mounted with the line feed
slot facing down.
Cable feed slot
Rear cover
F Series speaker
Speaker cable
Rear cover
Upward speaker cable routing
(Line fe ed slot faces up.)
Downward speaker cable routing
(Line feed slot faces down.)
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Rotary switch
2 k
1 k
500
330
NC
170
5 W
10 W
20 W
30
W
2.5 W
5 W
10 W
15 W
30
W
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