OPERATING INSTRUCTIONS
SPEAKER SYSTEMS
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
H-2
H-2WP
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS .................................................................................... 2
2. GENERAL DESCRIPTION .................................................................................. 3
3. FEATURES ............................................................................................................... 3
4. NOMENCLATURE ................................................................................................. 4
5. INSTALLATION
5.1. Direct Wall/Ceiling Mounting ................................................................................. 5
5.2. Mounting the Speaker Using an Electrical Box ..................................................... 8
5.3. Mounting the Speaker Using Supporting Rails ..................................................... 8
5.4. Removing the Front Grille ..................................................................................... 8
6. OUTDOOR USE (H-2WP ONLY)
6.1. Waterproofing ....................................................................................................... 9
6.2. Speaker Mounting Angle ....................................................................................... 9
7. REPAINTING THE GRILLE ................................................................................. 9
8. PROTECTION CIRCUITRY INFORMATION ............................................... 10
9. EQUALIZATION .................................................................................................... 10
10. SPECIFICATIONS ................................................................................................ 11
Accessories ................................................................................................................ 11
2
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.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
• 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.
• Use nuts and bolts that are appropriate for the
ceiling's or wall's material and structure. 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.
• (Applicable to H-2 only)
Since the unit is designed for in-door use, do not
install it outdoors. If installed outdoors, the aging of
parts causes the unit to fall off, resulting in
personal injury. Also, when it gets wet with rain,
there is a danger of electric shock.
• Do not apply lubricant and rust inhibitor. If it
contacts resin or rubber parts, they could
deteriorate and cause the unit to fall, possibly
resulting in personal injury.
• (Applicable to H-2WP only)
Avoid installing the unit in locations close to the
seashore, or in indoor swimming pools or
bathrooms. In such locations, the bracket may be
vulnerable to corrosion, eventually allowing the
unit to fall resulting in personal injury.
• Avoid touching the unit's sharp metal edge to
prevent injury.
• 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 fire.
WARNING
Indicates a potentially hazardous situation which, if mishandled, could
result in death or serious personal injury.
Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
WARNING
CAUTION
CAUTION
3
2. GENERAL DESCRIPTION
TOA's H-2 and H-2WP are small, dome-shaped 2-way speakers featuring high sound quality. The H-2 is
designed for indoor use, and the H-2WP is designed for outdoor use.
Note: Protect the H-2WP from rain when installing. (Refer to P. 9 "6.1. Waterproofing".)
3. FEATURES
• The speaker’s smooth curved surface allows it to blend in with the interiors of most modern buildings.
• A 10 cm woofer featuring high input capacity produces powerful low frequency sound despite its small size.
• The one-inch balanced dome tweeter features ferro-fluid to ensure superb transient response characteristics
for clear, high frequency sound output and high power-handling capabilities.
• The speaker's built-in crossover network circuitry features sharp cut-off characteristics that realize uniform
energy radiation while suppressing unwanted input signals to the woofer or tweeter.
• The speaker is designed with an emphasis on installation ease and safety, as well as easier conduit wiring
when an electrical box is installed.
• The speaker's round mounting base frame allows the speaker to be installed at any mounting angle.
Note: When mounting the H-2WP speaker to a wall, to ensure its watertightness it must not be tilted any
more than 45 degrees up from its downward-facing position.
• A built-in matching transformer permits the speaker to be used for both high- and low-impedance
applications. For low-impedance applications, either the 4 Ω or 16 Ω terminal can be selected. Impedance
can be easily changed from outside the unit.
• Detachable screw terminals facilitate connection. Dual positive and negative terminals also facilitate bridge
connections.
• The H-2's enclosure and front grille are made of fire-resistant ABS (UL Standard 94: V-0 Grade).
• The structure of the speaker's front grille is specially designed for ease of refinishing and repainting.
4
111
φ268
Front grille (grille frame)
Anti-slip piece
Aiming marker
Lock tab
Detachable input connector
Connector for impedance selection
Front grille (Grille)
5.6
76.4 (3")
φ21.6
φ181
69.9
(2
3
/4")
88.9 (3 1/2")
(For mounting to
an electrical box)
(For mounting to
a wall, ceiling or
supporting rail)
(For mounting to
an electrical box)
83.3 (3 9/32")
(For mounting
to an electrical
box)
4. NOMENCLATURE
• Accessory (Base frame)
[Front Panel]
[Side Panel]
[Side Panel]
[Rear Panel]
[Installation Example]
Unit: mm
5
5. INSTALLATION
5.1. Direct Wall/Ceiling Mounting
Step 1. Base frame mounting
1-1. Pull the cables out of the wall or ceiling through the
hole in the center of the base frame, then strip the
insulation back about 5mm from the cable ends.
Tip
• Usable cable: Solid cable or stranded cable (0.2 mm
2
-
2.5 mm2) (Corresponding to AWG No.
24 - 14)
• The base frame hole can also be used for 1/2˝ EMT
conduit fitting.
1-2. Secure the base frame to the wall or ceiling panel
with screws at four places shown on the right.
Notes
• Use nuts and bolts (not supplied with the unit) that are
appropriate for the structure and composition of the
wall or ceiling.
• Protect the H-2WP from rain when installing. (Refer to
P. 9 "6.1. Waterproofing".)
Step 2. Wiring and impedance changes
2-1. Unplug the detachable input connector from the
speaker socket, and with a small slot screwdriver,
loosen the screws of the terminals to use.
1/2" EMT conduit fitting
About 5 mm
Base frame
76.4(3")
6
2-2. Insert the stripped cable ends into the
input connector, and tighten the
connector screws.
Note
When not bridging connections, be sure
to also tighten the screws of the terminals
not in use to avoid vibration or rattle
noises.
• When not bridging
connections
• When bridging
connections
From amplifier
To next
speaker
• When selecting 4 Ω
• When selecting 16 Ω • When selecting 830 Ω
(preset by the factory)
Impedance selector socket
2-4. Insert the detachable input connector into the speaker
socket.
Step 3. Speaker and grille mounting
3-1. Rotate the three speaker lock tabs away from their locking
position on the edge of speaker.
Note
The speakers are designed to be used for both 70 V and 100 V line applications. When using the 100 V
line, do not select the "420 Ω" impedance, since the speaker itself or power amplifier may be damaged.
2-3. Attach two impedance selector sockets to the 16-pin connector to select the desired impedance. (Preset
to 12 W for 100 V line and 6 W for 70 V line.)
Lock tab
7
3-3. Position the speaker and tighten the three locking
screws.
3-2. After aligning the speaker with the base frame, rotate the
three lock tabs back into position to clamp the speaker to
the base frame. (Temporary fixing state.)
Note
When mounting the speaker, do not touch its paper cone,
as permanent damage to the speaker may result.
3-4. Set the front grille's aiming marker to the speaker front
(i.e. speaker orientation) so that the three stud screws
align with the corresponding stud receptacles, then
push the grille onto the speaker.
Aiming marker
Stud screw
Speaker front
Stud receptacle
Base frame
Base frame
Speaker system
Locking screw
Stud screw
8
5.4. Removing the Front Grille
Be sure to use the front grille's three anti-slip pieces when
detaching the grille from the speaker. First carefully pull
the grille by hand from two positions, and then detach from
the one remaining position.
Caution
If you raise only one or two of the three anti-slip pieces,
the front grille may be broken. Be sure to pull its three
pieces out evenly and gradually.
5.3. Mounting the Speaker Using Supporting Rails
The speaker system can also be mounted to walls or
ceilings using supporting rails. Mount the base frame to
the rails using four holes shown in the figure at right.
Follow Steps 2 and 3 on pages 5 – 7.
5.2. Mounting the Speaker Using a Electrical Box
The speaker system can be mounted to walls or ceilings using a electrical box*. Mount the base frame to the
electrical box using two holes shown in the figure below. Further mounting procedures are the same as
detailed in Steps 2 and 3 on pages 5 – 7.
* Distance between mounting holes: 69.9 mm (2 3/4˝), 83.3 mm (3 9/32˝) or 88.9 mm (3 1/2˝)
• Mounting example 1 • Mounting example 2
Base frame
Memo
Electrical box mounting screws are attached to the speaker.
Anti-slip piece
9
6. OUTDOOR USE (H-2WP ONLY)
6.1. Waterproofing
The H-2WP's base frame has a gasket for watertightness.
To completely prevent water from getting into a gap
between the base frame and wall or ceiling panel, apply
caulking agent over the inside of the gasket before
mounting the base frame.
6.2. Speaker Mounting Angle
When mounting the H-2WP speaker on a wall, to ensure
its watertightness it must not be tilted any more than 45
degrees up from its downward-facing position.
Notes
• The H-2WP features drip-proof construction. However, do
not dash water over it when cleaning as this may cause
damage to the speaker components.
• When installing the H-2WP outdoors in a snowy area,
protect the speaker so that it is not covered with snow.
7. REPAINTING THE FRONT GRILLE
Follow the procedures below to change the color of the grille.
1. Wipe dirt off the front grille with a soft cloth moistened with a detergent before painting. Do not use volatile
liquids such as thinner.
2. Uniformly spray a thin coating of paint over the grille changing the spraying positions gradually.
Notes
• Do not use a roller or brush to paint because the meshes of the grille could be clogged with paint.
• Use paint that is appropriate for the composition of the front grille (grille and frame).
[H-2] Grille: Rolled steel plate
Frame: Fire-resistant ABS resin
[H-2WP] Grille: Rolled steel plate (zinc plating)
Frame: Fire-resistant ABS resin
• Follow the instructions on the paint when painting.
3. After the paint dries, repeat Step 2 once or twice to repaint.
Note: Be sure to repeat Step 2 at least twice.
Gasket
Caulking agent
45゜
45゜
10
8. PROTECTION CIRCUITRY INFORMATION
• The speaker has built-in overload protection circuitry.
If there is an extremely high level input signal to the speaker, the overload protection circuitry is activated
and cuts off the signal input to the speaker component.
• A sudden drop of the sound volume level during speaker operation indicates that the overload protection
circuitry has been activated. In such a case, reduce the amplifier volume and wait. The protection circuitry is
automatically reset after approximately 10 seconds. After the circuitry is reset, set the volume at a lower
level than before.
Important Note
This overload protection circuitry does not completely protect the speaker component. Depending on the
nature of the excessive signal applied to the loudspeaker, there may be damage to the loudspeaker
components before the protection circuitry can operate. Also, depending on the duration of the excessive input
signal, the protection circuitry may be damaged and will not recover. Take special care that the excessive
input is not applied to the speaker during use.
9. EQUALIZATION
• The H-2 and H-2WP are designed to provide good quality sound without additional equalization. However,
by equalizing them as shown below, sounds can be made more powerful and intelligible.
• Using a digital signal processor, make the following equalization setting.
Filter Frequency Gain Q
HPF 63 Hz Q 0.707
PEQ 100 Hz +10 dB Q 1.871
PEQ 200 Hz
-
5 dB Q 1.414
PEQ 5 kHz + 1.5 dB Q 0.305
LPF 15.8 kHz Q 0.500
[dB]
+20
+10
-
10
-
20
-
30
-
40
0
Frequency - Gain
20 50 100
500 1k 5k 10k 20k
[Hz]
[dB]
+20
+10
-
10
-
20
-
30
-
40
0
Frequency - Gain
20 50 100
500 1k 5k 10k 20k
[Hz]
[When not using a subwoofer]
[When using a subwoofer]
Filter Frequency Gain Q
HPF 63 Hz Q 0.707
PEQ 100 Hz + 2.5 dB Q 1.871
PEQ 200 Hz
-
5 dB Q 1.414
PEQ 5 kHz + 1.5 dB Q 0.305
LPF 15.8 kHz Q 0.500
11
Model No. H-2
Enclosure Type Sealed type
Power Handling 120 W (continuous program input, 4 Ω loaded)
40 W (continuous pink noise input, 4 Ω loaded)*
1
Rated Input 12 W (16 Ω or high impedance)
Rated Impedance 4 Ω, 16 Ω
70 V line: 0420 Ω (12 W), 830 Ω (6 W), 1.7 kΩ (3 W), 3.3 kΩ (1.5 W)
100 V line: 830 Ω (12 W), 1.7 kΩ (6 W), 3.3 kΩ (3 W)
Sensitivity 88 dB (1 W, 1 m, 2 π loading)*
2
Frequency Response 100 Hz to 20 kHz (–10 dB, 2 π loading)
Crossover Frequency 5 kHz
Speaker Component Low frequency: 10 cm cone woofer
High frequency: Balanced dome tweeter
Input Terminal Detachable screw terminal, (+)/(-) 2 each (for bridging connection)
Usable Cable Solid cable or stranded cable: 0.2 mm2– 2.5 mm2(Corresponding to
AWG No. 24 – 14)
Finish Enclosure: Fire-resistant ABS resin (UL 94V-0), black
Grille frame: Fire-resistant ABS resin (UL 94V-0), white, paint
Grille: Rolled steel plate, white, paint
Base frame: Rolled steel plate, pre-coating
Dimensions ø268 x 111 mm
Weight 2.1 kg (including base frame)
Model No. H-2WP
Enclosure Type Sealed type
Power Handling 120 W (continuous program input, 4 Ω loaded)
40 W (continuous pink noise input, 4 Ω loaded)*
1
Rated Input 12 W (16 Ω or high impedance)
Rated Impedance 4 Ω, 16 Ω
70 V line: 420 Ω (12 W), 830 Ω (6 W), 1.7 kΩ (3 W), 3.3 k Ω (1.5 W)
100 V line: 830 Ω (12 W), 1.7 kΩ (6 W), 3.3 kΩ (3 W)
Sensitivity 88 dB (1 W, 1 m, 2 π loading)*
2
Frequency Response 100 Hz to 20 kHz (–10 dB, 2 π loading)
Crossover Frequency 5 kHz
Speaker Component Low frequency: 10 cm cone woofer
High frequency: Balanced dome tweeter
Input Terminal Detachable screw terminal, (+)/(-) 2 each (for bridging connection)
Dust/Water Protection IP64
Usable Cable Solid cable or stranded cable: 0.2 mm2– 2.5 mm2(Corresponding to
AWG No. 24 – 14)
Finish Enclosure: Fire-resistant ABS resin (UL 94V-0), black
Grille frame: Fire-resistant ABS resin (UL 94V-0), white, paint
Grille: Rolled steel plate (zinc plating), white, powder coating
Base frame: Stainless steel
Dimensions ø268 x 111 mm
Weight 2.1 kg (including base frame)
10. SPECIFICATIONS
*1Continuous 24 hours, band-limited pink noise (50 to 20,000 Hz)
*2Pink noise (1,000 Hz to 10,000 Hz)
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
Base frame .............................................. 1
Electrical box mounting screw
M4 x 25 ............................................... 2
UNC No. 8-32 x 32 mm ....................... 2
UNC No. 6-32 x 32 mm ....................... 2
Spring washer ..................................... 2
Plain washer ....................................... 2
533-06-077-5C
URL: http://www.toa.jp/
Traceability Information for Europe
Manufacturer:
TOA Corporation
7-2-1, Minatojima-Nakamachi, Chuo-ku, Kobe, Hyogo,
Japan
Authorized representative:
TOA Electronics Europe GmbH
Suederstrasse 282, 20537 Hamburg,
Germany
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